DTB / DTE Energy Company - Corporate Bond/Note - تصريحات هيئة الأوراق المالية والبورصات، التقرير السنوي، بيان الوكيل

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 05, 2025 Commission Fil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 05, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 18, 2025 Commission File N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 18, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Six Months Ended June 30, 2025

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Six Months Ended June 30, 2025 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6 Conso

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2025 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

DATED AS OF MAY 1, 2025 DTE ELECTRIC COMPANY formerly known as The Detroit Edison Company (One Energy Plaza, Detroit, Michigan 48226) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (500 Ross Street, 12th Floor, Pittsburgh, PA 15262) AS TRUSTEE SUPPL

Exhibit 4.1 INDENTURE DATED AS OF MAY 1, 2025 DTE ELECTRIC COMPANY formerly known as The Detroit Edison Company (One Energy Plaza, Detroit, Michigan 48226) TO THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (500 Ross Street, 12th Floor, Pittsburgh, PA 15262) AS TRUSTEE SUPPLEMENTAL TO MORTGAGE AND DEED OF TRUST DATED AS OF OCTOBER 1, 1924 PROVIDING FOR (A) GENERAL AND REFUNDING MORTGAGE BONDS, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2025 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-11607 DTE Energy Company Mich

DTE Energy reports second quarter accomplishments, investments and earnings

Exhibit 99.1 DTE Energy reports second quarter accomplishments, investments and earnings •Continued substantial investment to improve reliability and transition to cleaner generation; on track to invest $4.4 billion into its utilities in 2025 •Invested $1.8 billion in the first half of 2025 to improve electric infrastructure and reliability for customers •Broke ground on Cold Creek Solar Park •Beg

2Q 2025 Earnings Conference Call July 29, 2025 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements con

q225presentationfinal-ve 2Q 2025 Earnings Conference Call July 29, 2025 EXHIBIT 99.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 07, 2025 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 07, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 18, 2025 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 18, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

Page 1 of 2 DTE Energy Board of Directors elects Joi Harris as CEO; Jerry Norcia elected Executive Board Chairman Harris’s 34-year track record of proven leadership at DTE and strong working relationship with Norcia to ensure a smooth, successful tra

Page 1 of 2 DTE Energy Board of Directors elects Joi Harris as CEO; Jerry Norcia elected Executive Board Chairman Harris’s 34-year track record of proven leadership at DTE and strong working relationship with Norcia to ensure a smooth, successful transition DETROIT, June 23 — DTE Energy President and Chief Operating Officer Joi Harris will be named President and Chief Executive Officer of the company on Sept.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 Commission file number 1-11607 DTE ENERGY COM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 Commission file number 1-11607 DTE ENERGY COMPANY DEFINED CONTRIBUTION PLANS DTE Energy Company Savings and Stock Ownership Plan DTE Electric Company Savings & Stock Ownership Plan for Employees

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2025 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

DTE ENERGY COMPANY DIRECTORS' POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS:

EXHIBIT 24.1 DTE ENERGY COMPANY DIRECTORS' POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS: That each of the undersigned does hereby severally make, constitute and appoint David Ruud, JoAnn Chávez, Kathrine M. Lorenz, Lisa A. Muschong, Sarah M. Bello, and Matthew Misiak, and each of them, his or her true and lawful attorneys-in-fact to sign and execute for him or her and on his or her behalf, as a di

As filed with the Securities and Exchange Commission on May 30, 2025

As filed with the Securities and Exchange Commission on May 30, 2025 Registration No.

DTE ENERGY COMPANY DIRECTORS' POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS:

EXHIBIT 24.1 DTE ENERGY COMPANY DIRECTORS' POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS: That each of the undersigned does hereby severally make, constitute and appoint David Ruud, JoAnn Chávez, Kathrine M. Lorenz, Lisa A. Muschong, Sarah M. Bello, and Matthew Misiak, and each of them, his or her true and lawful attorneys-in-fact to sign and execute for him or her and on his or her behalf, as a di

As filed with the Securities and Exchange Commission on May 30, 2025

As filed with the Securities and Exchange Commission on May 30, 2025 Registration Nos.

Calculation of Filing Fee Table (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table S-8 (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Equity Common Stock (3) Rule 457(h) 3,000,000 $136.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2025 Commission File Numb

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

AGA Financial Forum May 18 - 20, 2025 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in

AGA Financial Forum May 18 - 20, 2025 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “proj

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.) R

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three Months Ended March 31, 2025

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three Months Ended March 31, 2025 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6 Consolidated

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2025 Commission File Numbe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.) R

1Q 2025 Earnings Conference Call May 1, 2025 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements conta

1Q 2025 Earnings Conference Call May 1, 2025 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2025 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-11607 DTE Energy Company Mic

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 01, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

DTE Energy reports first quarter accomplishments, investments and earnings

Exhibit 99.1 DTE Energy reports first quarter accomplishments, investments and earnings •Continued significant investment to improve reliability and transition to cleaner generation; on track to invest $4.4 billion into our utilities in 2025 •Began operations of Michigan’s largest battery energy storage system •Boosted small businesses with energy efficiency upgrade grants •Recognized as a Gallup

Form T-1 Statement of Eligibility of The Bank of New York Mellon Trust Company, N.A., with respect to the DTE Electric Mortgage.

Exhibit 25.2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its charter) 95-

Calculation of Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table FORM S-3 (Form Type) DTE Energy Company DTE Electric Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type (1) Security Class Title (1) Fee Calculation or Carry  Forward Rule (2)  Amount  Registered (2)  Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price (2) Fee Rate (2) Amount of Registration Fee (2) Newly Registered Securities Fees to Be Paid Equity DTE Energy Co.

Form T-1 Statement of Eligibility of The Bank of New York Mellon Trust Company, N.A., with respect to the DTE Electric Indenture.

Exhibit 25.3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its charter) 95-

DTE Energy Directors’ Power of Attorney.

Exhibit 24.1 DTE ENERGY COMPANY DIRECTORS’ POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS: That each of the undersigned does hereby severally make, constitute and appoint, David Ruud, JoAnn Chávez, Lisa A. Muschong, Timothy J. Lepczyk, Sarah M. Bello, and Kathrine M. Lorenz, and each of them, his or her true and lawful attorneys-in-fact to sign and execute for him or her and on his or her behalf, as

Supplemental Indenture, dated as of February 1, 2025, to the Amended and Restated Indenture, dated as of April 9, 2001, by and between DTE Energy Company and The Bank of New York Mellon Trust Company, N.A., as successor trustee (2025 Series A)

Exhibit 4.1 DTE ENERGY COMPANY AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., TRUSTEE SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 1, 2025 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2025 SERIES A 5.20% SENIOR NOTES DUE 2030 SUPPLEMENTAL INDENTURE, dated as of the 1st day of February, 2025, between DTE ENERGY COMPANY, a corporation organized and ex

Form T-1 Statement of Eligibility of The Bank of New York Mellon Trust Company, N.A., with respect to the DTE Energy Indenture.

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its charter) 95-

As filed with the Securities and Exchange Commission on April 4, 2025

S-3ASR Table of Contents As filed with the Securities and Exchange Commission on April 4, 2025 Registration Nos.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 04, 2025 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 04, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

DTE Gas Company Consolidated Financial Statements as of December 31, 2024 and 2023 and for each of the three years in the period ended December 31, 2024 and Report of Independent Auditors DTE Gas Company Year Ended December 31, 2024 TABLE OF CONTENTS

Exhibit 99.1 DTE Gas Company Consolidated Financial Statements as of December 31, 2024 and 2023 and for each of the three years in the period ended December 31, 2024 and Report of Independent Auditors DTE Gas Company Year Ended December 31, 2024 TABLE OF CONTENTS Page Definitions 1 Management's Narrative Analysis of Results of Operations 2 Report of Independent Auditors 4 Consolidated Statements o

$1,100,000,000 DTE Energy Company 2025 Series A 5.20% Senior Notes due 2030

Filed Pursuant to Rule 424(b)(2) Registration No. 333-264196 Prospectus Supplement (To Prospectus Dated April 8, 2022) $1,100,000,000 DTE Energy Company 2025 Series A 5.20% Senior Notes due 2030 We are offering $1,100,000,000 of our 2025 Series A 5.20% Senior Notes due 2030 (“notes”). We will pay interest on the notes on April 1 and October 1 of each year, beginning October 1, 2025 at the rate of

Calculation of Filing Fee Table (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table 424B2 (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security  Type Security Class Title Fee Calculation or Carry Forward Rule (1) Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 2025 Series A  Rule 457(r)  $1,100,000,000  99.

Subject to Completion, Dated February 18, 2025

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-264196 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject to Completion

Free Writing Prospectus dated February 18, 2025 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2025 Series A 5.200% Senior Notes due 2030 (the “Notes”) Legal Format: SEC Registered Principal Amount: $1,100,000,000 Trade Da

FWP Filed Pursuant to Rule 433 Registration No. 333-264196 Free Writing Prospectus dated February 18, 2025 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2025 Series A 5.200% Senior Notes due 2030 (the “Notes”) Legal Format: SEC Registered Principal Amount: $1,100,000,000 Trade Date: February 18, 2025 Settlement Date*: T+3; February 21, 2025 Maturity Date: April 1, 2030

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

SUBSIDIARIES OF DTE ENERGY COMPANY

Exhibit 21.1 SUBSIDIARIES OF DTE ENERGY COMPANY DTE Energy Company’s principal subsidiaries as of December 31, 2024 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. Subsidiary State of Incorporation 1. DTE Electric Company Michigan 2. DTE Electric Holdings, LLC Michigan 3. DTE Energy Resources, LLC Delaw

SECOND AMENDMENT TO THE DTE ENERGY COMPANY SUPPLEMENTAL SAVINGS PLAN (Amended and Restated Effective January 1, 2005)

Exhibit 10.1 SECOND AMENDMENT TO THE DTE ENERGY COMPANY SUPPLEMENTAL SAVINGS PLAN (Amended and Restated Effective January 1, 2005) As authorized by resolutions adopted by the DTE Energy Benefit Plan Administration Committee on March 19, 2013, the DTE Energy Company Supplemental Savings Plan (Amended and Restated Effective January 1, 2005), is amended as follows: 1. Effective January 1, 2005, Secti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2025 Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

2024 Year-end Earnings Conference Call February 13, 2025 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking stat

q424presentationfinal-ve 2024 Year-end Earnings Conference Call February 13, 2025 EXHIBIT 99.

DTE Energy Company Segment Net Income (Unaudited) Three Months Ended December 31, 2024 2023 Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings (In millions

Exhibit 99.1 DTE Energy reports 2024 accomplishments, investments and earnings •Top-tier customer bill management; reduced customers' bills by $300 million in fuel and transportation cost savings •Invested $4.4 billion in electric and gas infrastructure to improve reliability and generate cleaner energy •Customers experienced a nearly 70% improvement in time spent without power from 2023 to 2024 •

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2024 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-11607 DTE Energy Company Michigan

DTE Energy Policy

Exhibit 19.1 DTE Energy Policy GV15 Insider Trading Policy February 4, 2025 1. Applicability This policy applies to all members of the Board of Directors (“Directors”), officers and employees of DTE Energy Company (“Company”) and its subsidiaries, together with any agents or advisors to the Company. 2. Policy A. General 1.If a Director, officer, employee, agent or advisor of the Company has materi

THIRD AMENDMENT TO THE DTE ENERGY COMPANY SUPPLEMENTAL SAVINGS PLAN (Amended and Restated Effective January 1, 2005)

Exhibit 10.2 THIRD AMENDMENT TO THE DTE ENERGY COMPANY SUPPLEMENTAL SAVINGS PLAN (Amended and Restated Effective January 1, 2005) Recitals As authorized by resolutions adopted by the DTE Energy Benefit Plan Administration Committee on October 1, 2024, the DTE Energy Company Supplemental Savings Plan (Amended and Restated Effective January 1, 2005) (the “Plan”) is amended as follows, effective as o

DTE Energy names Casey Santos to board of directors DETROIT, Feb. 6, 2025 — DTE Energy (NYSE: DTE) has named Casey Santos to its board of directors effective Feb. 6. Santos recently joined Caliber as chief technology officer. Prior to Caliber, Santos

DTE Energy names Casey Santos to board of directors DETROIT, Feb. 6, 2025 — DTE Energy (NYSE: DTE) has named Casey Santos to its board of directors effective Feb. 6. Santos recently joined Caliber as chief technology officer. Prior to Caliber, Santos led Asurion’s global technology and procurement teams as their chief information officer. She has more than 25 years of experience as an executive le

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 07, 2025 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

Business Update January 8, 2025 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this

Business Update January 8, 2025 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “projected,

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 16, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

Business Update December 16, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in thi

Business Update December 16, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “projecte

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 08, 2024 Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 08, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

EEI Financial Conference November 10 - 12, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements co

EEI Financial Conference November 10 - 12, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “cou

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Nine Months Ended September 30, 2024

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Nine Months Ended September 30, 2024 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 31, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

3Q 2024 Earnings Conference Call October 24, 2024 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements

3Q 2024 Earnings Conference Call October 24, 2024 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “c

SUPPLEMENTAL INDENTURE INDENTURE OF MORTGAGE AND DEED OF TRUST DATED AS OF MARCH 1, 1944 AS RESTATED IN PART II OF THE TWENTY-NINTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 1989 WHICH BECAME EFFECTIVE ON APRIL 1, 1994 DTE GAS COMPANY formerly know

Exhibit 4.2 FIFTY-FIFTH SUPPLEMENTAL INDENTURE TO INDENTURE OF MORTGAGE AND DEED OF TRUST DATED AS OF MARCH 1, 1944 AS RESTATED IN PART II OF THE TWENTY-NINTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 1989 WHICH BECAME EFFECTIVE ON APRIL 1, 1994 DTE GAS COMPANY formerly known as Michigan Consolidated Gas Company TO CITIBANK, N.A., TRUSTEE DATED AS OF OCTOBER 1, 2024 CREATING TWO ISSUES OF FIRST

DTE ENERGY COMPANY THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 1, 2024 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2024 SERIES E 4.95% SENIOR NOTES DUE 2027

Exhibit 4.1 DTE ENERGY COMPANY AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., TRUSTEE SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 1, 2024 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2024 SERIES E 4.95% SENIOR NOTES DUE 2027 SUPPLEMENTAL INDENTURE, dated as of the 1st day of August, 2024, between DTE ENERGY COMPANY, a corporation organized and existi

DTE Energy Company Segment Net Income (Unaudited) Three Months Ended September 30, 2024 2023 Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings (In million

Exhibit 99.1 DTE Energy reports third quarter 2024 accomplishments, earnings and investments in improving energy infrastructure •Continued on path to improving electric reliability through investments in smart grid technology and new substations •Began construction of three new solar parks, all funded by company’s voluntary MIGreenPower program •Installed nearly 1,000 free air conditioners for peo

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended September 30, 2024 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-11607 DTE Energy Company

Business Update October 2, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this

Business Update October 2, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “projected,

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 01, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 04, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

Business Update September 5, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in thi

Business Update September 5, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “projecte

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No

Business Update August 15, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this

Business Update August 15, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “projected,

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Six Months Ended June 30, 2024

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Six Months Ended June 30, 2024 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6 Conso

Calculation of Filing Fee Table (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amou

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Table 424B2 (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid  Debt 2024 Series E Rule 457(r) $1,200,000,000 99.

$1,200,000,000 DTE Energy Company 2024 Series E 4.95% Senior Notes due 2027

424B2 Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-264196 Prospectus Supplement (To Prospectus Dated April 8, 2022) $1,200,000,000 DTE Energy Company 2024 Series E 4.95% Senior Notes due 2027 We are offering $1,200,000,000 of our 2024 Series E 4.95% Senior Notes due 2027 (“notes”). We will pay interest on the notes on January 1 and July 1 of each year, beginning January

Subject to Completion, Dated July 29, 2024

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-264196 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject to Completion, Date

Free Writing Prospectus dated July 29, 2024 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2024 Series E 4.950% Senior Notes due 2027 (the “Notes”) Legal Format: SEC Registered Principal Amount: $1,200,000,000 Trade Date:

Filed Pursuant to Rule 433 Registration No. 333-264196 Free Writing Prospectus dated July 29, 2024 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2024 Series E 4.950% Senior Notes due 2027 (the “Notes”) Legal Format: SEC Registered Principal Amount: $1,200,000,000 Trade Date: July 29, 2024 Settlement Date*: T+4; August 2, 2024 Maturity Date: July 1, 2027 Interest Paymen

2Q 2024 Earnings Conference Call July 25, 2024 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements con

q224presentationfinal-ve 2Q 2024 Earnings Conference Call July 25, 2024 EXHIBIT 99.

DTE Energy Company Segment Net Income (Unaudited) Three Months Ended June 30, 2024 2023 Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings (In millions) DT

Exhibit 99.1 DTE Energy reports second quarter 2024 accomplishments, earnings and investments in improving energy infrastructure •Committed to improving electric reliability for customers •Broke ground on region’s largest battery energy storage facility •Helped make NFL Draft a carbon-neutral success •Grew Energy Efficiency Academy in Detroit and expanded to Grand Rapids •Honored with Civic 50 awa

DTE ENERGY COMPANY THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., SUPPLEMENTAL INDENTURE DATED AS OF APRIL 30, 2024 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2024 SERIES D 5.85% SENIOR NOTES DUE 2034

Exhibit 4.1 DTE ENERGY COMPANY AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., TRUSTEE SUPPLEMENTAL INDENTURE DATED AS OF APRIL 30, 2024 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2024 SERIES D 5.85% SENIOR NOTES DUE 2034 SUPPLEMENTAL INDENTURE, dated as of the 30th day of April, 2024, between DTE ENERGY COMPANY, a corporation organized and existi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2024 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-11607 DTE Energy Company Mich

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 25, 2024 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 25, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Commission file number 1-11607 DTE ENERGY COM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Commission file number 1-11607 DTE ENERGY COMPANY DEFINED CONTRIBUTION PLANS DTE Energy Company Savings and Stock Ownership Plan DTE Electric Company Savings & Stock Ownership Plan for Employees

Business Update June 18, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this do

Business Update June 18, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “projected,”

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 17, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

AGA Financial Forum May 19 - 21, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in

AGA Financial Forum May 19 - 21, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “proj

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.) R

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.) R

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three Months Ended March 31, 2024

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three Months Ended March 31, 2024 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6 Consolidated

$850,000,000 DTE Energy Company 2024 Series D 5.85% Senior Notes due 2034

424B2 Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-264196 Prospectus Supplement (To Prospectus Dated April 8, 2022) $850,000,000 DTE Energy Company 2024 Series D 5.85% Senior Notes due 2034 We are offering $850,000,000 of our 2024 Series D 5.85% Senior Notes due 2034 (“notes”). We will pay interest on the notes on June 1 and December 1 of each year, beginning December 1,

Calculation of Filing Fee Table (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amou

Exhibit 107 Calculation of Filing Fee Table 424B2 (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid  Debt 2024 Series D Rule 457(r) $850,000,000 99.

Subject to Completion, Dated April 29, 2024

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-264196 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject to Completion, Date

Free Writing Prospectus dated April 29, 2024 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2024 Series D 5.850% Senior Notes due 2034 (the “Notes”) Legal Format: SEC Registered Principal Amount: $850,000,000 Maturity Date

Filed Pursuant to Rule 433 Registration No. 333-264196 Free Writing Prospectus dated April 29, 2024 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2024 Series D 5.850% Senior Notes due 2034 (the “Notes”) Legal Format: SEC Registered Principal Amount: $850,000,000 Maturity Date: June 1, 2034 Interest Payment Dates: June 1 and December 1, commencing on December 1, 2024 Be

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2024 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

DTE Energy Company Segment Net Income (Unaudited) Three Months Ended March 31, 2024 2023 Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings (In millions) D

Exhibit 99.1 DTE Energy reports first quarter earnings and accomplishments •Continued significant investments to improve reliability and transition to cleaner generation; on track to invest more than $4 billion into our utilities in 2024 •Earned the ENERGY STAR Partner of the Year award for sustained excellence in energy efficiency •Celebrated 175 years of service at DTE Gas •Grew MIGreenPower vol

1Q 2024 Earnings Conference Call April 25, 2024 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements co

q124presentation42324fin 1Q 2024 Earnings Conference Call April 25, 2024 EXHIBIT 99.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2024 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-11607 DTE Energy Company Mic

INDENTURE DATED AS OF FEBRUARY 1, 2024 DTE ELECTRIC COMPANY formerly known as The Detroit Edison Company (One Energy Plaza, Detroit, Michigan 48226) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (500 Ross Street, 12th Floor, Pittsburgh, PA 15262) A

Exhibit 4.2 INDENTURE DATED AS OF FEBRUARY 1, 2024 DTE ELECTRIC COMPANY formerly known as The Detroit Edison Company (One Energy Plaza, Detroit, Michigan 48226) TO THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (500 Ross Street, 12th Floor, Pittsburgh, PA 15262) AS TRUSTEE SUPPLEMENTAL TO MORTGAGE AND DEED OF TRUST DATED AS OF OCTOBER 1, 1924 PROVIDING FOR (A) GENERAL AND REFUNDING MORTGAGE BONDS

DTE ENERGY COMPANY THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 1, 2024 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2024 SERIES A 5.10% SENIOR NOTES DUE 2029

Exhibit 4.1 DTE ENERGY COMPANY AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., TRUSTEE SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 1, 2024 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2024 SERIES A 5.10% SENIOR NOTES DUE 2029 SUPPLEMENTAL INDENTURE, dated as of the 1st day of February, 2024, between DTE ENERGY COMPANY, a corporation organized and ex

DTE Energy Co. (DTE) Vote Yes: Item #4 – Climate Transition Plan, Inclusive of Downstream Gas Utility Emissions Annual Meeting: May 2, 2024

Main Post Office, P.O. Box 751 www.asyousow.org Berkeley, CA 94704 BUILDING A SAFE, JUST, AND SUSTAINABLE WORLD SINCE 1992 Notice of Exempt Solicitation Pursuant to Rule 14a-103 Name of the Registrant: DTE Energy Co. Name of persons relying on exemption: As You Sow™ Address of persons relying on exemption: Main Post Office, P.O. Box 751, Berkeley, CA 94704 Written materials are submitted pursuant

Business Update April 2 - 3, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in thi

barclayspresentationfina Business Update April 2 - 3, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,”

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 02, 2024 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 02, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 04, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

Business Update March 5, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this do

Business Update March 5, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “projected,”

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 1, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

DTE Gas Company Consolidated Financial Statements as of December 31, 2023 and 2022 and for each of the three years in the period ended December 31, 2023 and Report of Independent Auditors DTE Gas Company Year Ended December 31, 2023 TABLE OF CONTENTS

Exhibit 99.1 DTE Gas Company Consolidated Financial Statements as of December 31, 2023 and 2022 and for each of the three years in the period ended December 31, 2023 and Report of Independent Auditors DTE Gas Company Year Ended December 31, 2023 TABLE OF CONTENTS Page Definitions 1 Management's Narrative Analysis of Results of Operations 2 Report of Independent Auditors 4 Consolidated Statements o

$1,200,000,000 DTE Energy Company 2024 Series A 5.10% Senior Notes due 2029

Filed Pursuant to Rule 424(b)(2) Registration No. 333-264196 Prospectus Supplement (To Prospectus Dated April 8, 2022) $1,200,000,000 DTE Energy Company 2024 Series A 5.10% Senior Notes due 2029 We are offering $1,200,000,000 of our 2024 Series A 5.10% Senior Notes due 2029 (“notes”). We will pay interest on the notes on March 1 and September 1 of each year , beginning September 1, 2024 at the rat

DTE / DTE Energy Company / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0053-dteenergyco.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: DTE Energy Co Title of Class of Securities: Common Stock CUSIP Number: 233331107 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule

Calculation of Filing Fee Table (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amou

Exhibit 107 Calculation of Filing Fee Table 424B2 (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 2024 Series A Rule 457(r) $1,200,000,000 99.

Free Writing Prospectus dated February 12, 2024 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2024 Series A 5.100% Senior Notes due 2029 (the “Notes”) Legal Format: SEC Registered Principal Amount: $1,200,000,000 Maturity

Filed Pursuant to Rule 433 Registration No. 333-264196 Free Writing Prospectus dated February 12, 2024 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2024 Series A 5.100% Senior Notes due 2029 (the “Notes”) Legal Format: SEC Registered Principal Amount: $1,200,000,000 Maturity Date: March 1, 2029 Interest Payment Dates: March 1 and September 1, commencing on September 1

Subject to Completion, Dated February 12, 2024

Filed Pursuant to Rule 424(b)(5) Registration No. 333-264196 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject to Completion, Dated February 12, 202

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 08, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-11607 DTE Energy Company Michigan

SUBSIDIARIES OF DTE ENERGY COMPANY

Exhibit 21.1 SUBSIDIARIES OF DTE ENERGY COMPANY DTE Energy Company’s principal subsidiaries as of December 31, 2023 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. Subsidiary State of Incorporation 1. DTE Electric Company Michigan 2. DTE Electric Holdings, LLC Michigan 3. DTE Energy Trading, Inc. Michig

DTE Energy Company Segment Net Income (Unaudited) Three Months Ended December 31, 2023 2022 Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings Reported Earnings Pre-tax Adjustments Income Taxes(1) Operating Earnings (In millions

Exhibit 99.1 DTE Energy reports 2023 earnings and accomplishments •Invested more than $3.8 billion in electric and gas infrastructure to improve reliability and generate more clean energy •Historic investments in utility infrastructure exceed strong cash generated by our businesses, as supported by regulatory construct •Reduced customers' bills by $300 million in fuel and transportation cost savin

2023 Year-end Earnings Conference Call February 8, 2024 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking state

2023 Year-end Earnings Conference Call February 8, 2024 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “ma

CLAWBACK POLICY OF DTE ENERGY COMPANY

EX 97.1 CLAWBACK POLICY OF DTE ENERGY COMPANY 1. This policy sets forth the conditions under which DTE Energy Company (the “Company”) will seek reimbursement with respect to incentive-based compensation (including stock options awarded as compensation) paid or awarded to current or former executive officers of the Company. 2. Definitions. (a) The term “executive officers” shall mean current or for

DTE ENERGY COMPANY LONG-TERM INCENTIVE PLAN AMENDED AND RESTATED EFFECTIVE MAY 20, 2021 as further amended effective October 25, 2023 ARTICLE I

EXHIBIT 10.1 DTE ENERGY COMPANY LONG-TERM INCENTIVE PLAN AMENDED AND RESTATED EFFECTIVE MAY 20, 2021 as further amended effective October 25, 2023 ARTICLE I Purposes 1.01 General Purposes The DTE Energy Company Long-Term Incentive Plan is intended to: (a) assist the Company and its Subsidiaries in recruiting and retaining individuals with ability and initiative by enabling such persons to particip

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 22, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer I

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 31, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

DTE / DTE Energy Company / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* DTE Energy Co. (Name of Issuer) Common Stock (Title of Class of Securities) 233331107 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 10, 2024 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

Business Update January 11, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this

Business Update January 11, 2024 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,” “projected

Directors’ Power of Attorney.

EXHIBIT 24.1 DTE ENERGY COMPANY DIRECTORS’ POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS: That each of the undersigned does hereby severally make, constitute and appoint David Ruud, JoAnn Chavez, Lisa A. Muschong, Sarah M. Bello, and Kathrine M. Lorenz, and each of them, his or her true and lawful attorneys-in-fact to sign and execute for him or her and on his or her behalf, as a director of DTE En

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table S-8 (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit(2) Maximum Aggregate Offering Price(2) Fee Rate Amount of Registration Fee Equity Common Stock Rule 457(h) 5,570,000(3) $110.

As filed with the Securities and Exchange Commission on December 22, 2023

As filed with the Securities and Exchange Commission on December 22, 2023 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 8, 2023 Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 8, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

Business Update December 8, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this

postratecasepresentation Business Update December 8, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “

Amended Bylaws of DTE Energy Company, as amended through December 6, 2023 (Exhibit 3.1 to DTE Energy’s Form 8-K filed December 8, 2023).

Exhibit 3.1 AMENDED BYLAWS of DTE ENERGY COMPANY As amended through December 6, 2023 AMENDED BYLAWS of DTE ENERGY COMPANY INDEX Page ARTICLE I. Shareholders 1 ARTICLE II. Board of Directors and Committees 12 ARTICLE III. Officers 16 ARTICLE IV. Capital Stock 17 ARTICLE V. Delivery of Notices 18 ARTICLE VI. Checks, Notes, Bonds, Debentures, etc 19 ARTICLE VII. Corporate Seal 19 ARTICLE VIII. Amendm

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

EEI Financial Conference November 12 - 14, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements co

a2023eeipresentationfina EEI Financial Conference November 12 - 14, 2023 EXHIBIT 99.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Nine Months Ended September 30, 2023

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Nine Months Ended September 30, 2023 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6

SUPPLEMENTAL INDENTURE INDENTURE OF MORTGAGE AND DEED OF TRUST DATED AS OF MARCH 1, 1944 AS RESTATED IN PART II OF THE TWENTY-NINTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 1989 WHICH BECAME EFFECTIVE ON APRIL 1, 1994 DTE GAS COMPANY formerly know

Exhibit 4.1 FIFTY-FOURTH SUPPLEMENTAL INDENTURE TO INDENTURE OF MORTGAGE AND DEED OF TRUST DATED AS OF MARCH 1, 1944 AS RESTATED IN PART II OF THE TWENTY-NINTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 1989 WHICH BECAME EFFECTIVE ON APRIL 1, 1994 DTE GAS COMPANY formerly known as Michigan Consolidated Gas Company TO CITIBANK, N.A., TRUSTEE DATED AS OF OCTOBER 1, 2023 CREATING TWO ISSUES OF FIRST

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 01, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

AMENDMENT NO. 1 FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT

Exhibit 10.1 EXECUTION VERSION AMENDMENT NO. 1 TO FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT THIS AMENDMENT NO. 1 TO FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT (this “Amendment”) is made as of October25, 2023, by and among DTE ENERGY COMPANY (the “Borrower”), the lenders listed on the signature pages hereof (the “Lenders”), and CITIBANK, N.A. (“Citibank”), as Administrative A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended September 30, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-11607 DTE Energy Company

DTE Energy reports third quarter earnings and accomplishments

Exhibit 99.1 DTE Energy reports third quarter earnings and accomplishments •Announced DTE Electric roadmap to improved reliability with Distribution Grid Plan •Significant storm activity and cool summer weather results in operating EPS guidance midpoint change from $6.25 to $5.75 per share •Launched electric undergrounding pilot project in Detroit •Named Energy Star’s Partner of the Year for Energ

3Q Earnings Conference Call November 1, 2023 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements conta

3Q Earnings Conference Call November 1, 2023 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “may,” “could,

DTE Energy names Nicholas Akins to board of directors DETROIT, Oct. 26, 2023 — DTE Energy (NYSE: DTE) has named Nicholas K. Akins, retired Executive Chair of American Electric Power (AEP), to its board of directors, effective December 4. Akins, who r

DTE Energy names Nicholas Akins to board of directors DETROIT, Oct. 26, 2023 — DTE Energy (NYSE: DTE) has named Nicholas K. Akins, retired Executive Chair of American Electric Power (AEP), to its board of directors, effective December 4. Akins, who recently retired from AEP after more than 40 years with the company, also served as the company’s chief executive officer from 2011 through 2022. He le

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 25, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

Business Update August 10, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this

msndrpresentationfinal89 Business Update August 10, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “m

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 9, 2023 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 9, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2023 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Six Months Ended June 30, 2023

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Six Months Ended June 30, 2023 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6 Conso

INDENTURE DATED AS OF MAY 1, 2023 DTE ELECTRIC COMPANY formerly known as The Detroit Edison Company (One Energy Plaza, Detroit, Michigan 48226) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (500 Ross Street, 12th Floor, Pittsburgh, PA 15262) AS TRU

Exhibit 4.2 INDENTURE DATED AS OF MAY 1, 2023 DTE ELECTRIC COMPANY formerly known as The Detroit Edison Company (One Energy Plaza, Detroit, Michigan 48226) TO THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (500 Ross Street, 12th Floor, Pittsburgh, PA 15262) AS TRUSTEE SUPPLEMENTAL TO MORTGAGE AND DEED OF TRUST DATED AS OF OCTOBER 1, 1924 PROVIDING FOR (A) GENERAL AND REFUNDING MORTGAGE BONDS, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other ju

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2023 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

DTE Energy reports second quarter earnings

Exhibit 99.1 DTE Energy reports second quarter earnings •Received approval of landmark CleanVision Integrated Resource Plan (IRP) settlement agreement with Michigan stakeholders, ending DTE’s use of coal in 2032 •Continued progress with MIGreenPower program •Invested heavily in infrastructure to improve reliability and generate more clean energy •Named one of the top 50 most community-minded compa

DTE ENERGY COMPANY THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., SUPPLEMENTAL INDENTURE DATED AS OF May 1, 2023 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2023 SERIES C 4.875% SENIOR NOTES DUE 2028

Exhibit 4.1 DTE ENERGY COMPANY AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., TRUSTEE SUPPLEMENTAL INDENTURE DATED AS OF May 1, 2023 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 PROVIDING FOR 2023 SERIES C 4.875% SENIOR NOTES DUE 2028 SUPPLEMENTAL INDENTURE, dated as of the 1st day of May, 2023, between DTE ENERGY COMPANY, a corporation organized and existing un

2Q 2023 Earnings Conference Call July 27, 2023 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements con

q223presentationfinalver 2Q 2023 Earnings Conference Call July 27, 2023 EXHIBIT 99.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 12, 2023 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 12, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

1 DTE Energy and Michigan stakeholders reach historic clean energy settlement agreement Transformational plan projects $2.5 billion in reduced future costs to customers1 while building enough Michigan-made renewables to power ~4 million homes • Achie

exhibit 1 DTE Energy and Michigan stakeholders reach historic clean energy settlement agreement Transformational plan projects $2.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 22, 2023 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 22, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

DTE Energy names Deborah Byers to board of directors DETROIT, June 22, 2023 — DTE Energy (NYSE: DTE) has named Deborah Byers, a retired partner from Ernst & Young LLP to its board of directors effective immediately. Byers served as Americas Industry

exhibit9912023626 DTE Energy names Deborah Byers to board of directors DETROIT, June 22, 2023 — DTE Energy (NYSE: DTE) has named Deborah Byers, a retired partner from Ernst & Young LLP to its board of directors effective immediately.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2023 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 22, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

Annual Report for each of the Plans on Form 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission file number 1-11607 DTE ENERGY COMPANY DEFINED CONTRIBUTION PLANS DTE Energy Company Savings and Stock Ownership Plan DTE Electric Company Savings & Stock Ownership Plan for Employees

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 06, 2023 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 06, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2023 Commission File Numb

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

AGA Financial Forum May 21-23, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in t

a8-kiraga20230519exhibit AGA Financial Forum May 21-23, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 Commission File Numbe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.) R

Calculation of Filing Fee Table (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amou

EX-FILING FEES Calculation of Filing Fee Table 424B2 (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 2023 Series C Rule 457(r) $800,000,000 99.

$800,000,000 DTE Energy Company 2023 Series C 4.875% Senior Notes due 2028

424B2 Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-264196 Prospectus Supplement (To Prospectus Dated April 8, 2022) $800,000,000 DTE Energy Company 2023 Series C 4.875% Senior Notes due 2028 We are offering $800,000,000 of our 2023 Series C 4.875% Senior Notes due 2028 (“notes”). We will pay interest on the notes on June 1 and December 1 of each year, beginning December

Free Writing Prospectus dated May 8, 2023 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2023 Series C 4.875% Senior Notes due 2028 (the “Notes”) Legal Format: SEC Registered Principal Amount: $800,000,000 Maturity Date: J

FWP Filed Pursuant to Rule 433 Registration No. 333-264196 Free Writing Prospectus dated May 8, 2023 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 2023 Series C 4.875% Senior Notes due 2028 (the “Notes”) Legal Format: SEC Registered Principal Amount: $800,000,000 Maturity Date: June 1, 2028 Interest Payment Dates: June 1 and December 1, commencing on December 1, 2023 B

Subject to Completion, Dated May 8, 2023

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-264196 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject to Completion

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 Commission File Numbe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.) R

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three Months Ended March 31, 2023

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three Months Ended March 31, 2023 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6 Consolidated

We are not asking for authority to vote your proxy and no proxy cards will be accepted. Please vote your proxy according to the instructions in DTE’s proxy statement.

Notice of Exempt Solicitation Name of Registrant: DTE Energy Company Name of Person Relying on Exemption: SEIU Benefit Plans Master Trust Address of Person Relying on Exemption: 1800 Massachusetts Avenue, NW, Washington, DC 20036 Written materials are submitted pursuant to Rule 14a-6(g)(1) promulgated under the Securities Exchange Act of 1934.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other j

INDENTURE DATED AS OF MARCH 1, 2023 DTE ELECTRIC COMPANY formerly known as The Detroit Edison Company (One Energy Plaza, Detroit, Michigan 48226) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (500 Ross Street, 12th Floor, Pittsburgh, PA 15262) AS T

Exhibit 4.1 INDENTURE DATED AS OF MARCH 1, 2023 DTE ELECTRIC COMPANY formerly known as The Detroit Edison Company (One Energy Plaza, Detroit, Michigan 48226) TO THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (500 Ross Street, 12th Floor, Pittsburgh, PA 15262) AS TRUSTEE SUPPLEMENTAL TO MORTGAGE AND DEED OF TRUST DATED AS OF OCTOBER 1, 1924 PROVIDING FOR (A) GENERAL AND REFUNDING MORTGAGE BONDS, 2

1Q Earnings Conference Call April 27, 2023 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contain

q123presentationfinalver 1Q Earnings Conference Call April 27, 2023 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “

DTE Energy reports first quarter earnings and accomplishments

Exhibit 99.1 DTE Energy reports first quarter earnings and accomplishments •Invested over $900 million in electric and gas infrastructure •Began operations at Michigan’s largest wind park •Partnered with Toyota to provide clean energy for the automaker’s research and development operations •Granted $3 million to feed Michiganders through the DTE Foundation •Reduced customer gas rates •Launched ski

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2023 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

* * * * *

April 12, 2023 VIA EDGAR Karl Hiller Branch Chief Office of Energy and Transportation Securities and Exchange Commission Division of Corporation Finance 100 F.

Business Update April 3-4, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this

a8-kirwolfex202343ex991 Business Update April 3-4, 2023 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “anticipate,” “believe,” “expect,” “ma

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 03, 2023 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 03, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 16, 2023 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 16, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

DTE Gas Company Consolidated Financial Statements as of December 31, 2022 and 2021 and for each of the three years in the period ended December 31, 2022 and Report of Independent Auditors DTE Gas Company Year Ended December 31, 2022 TABLE OF CONTENTS

Exhibit 99.1 DTE Gas Company Consolidated Financial Statements as of December 31, 2022 and 2021 and for each of the three years in the period ended December 31, 2022 and Report of Independent Auditors DTE Gas Company Year Ended December 31, 2022 TABLE OF CONTENTS Page Definitions 1 Management's Narrative Analysis of Results of Operations 2 Report of Independent Auditors 4 Consolidated Statements o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2023 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2023 Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2022 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisd

SUBSIDIARIES OF DTE ENERGY COMPANY

Exhibit 21.1 SUBSIDIARIES OF DTE ENERGY COMPANY DTE Energy Company’s principal subsidiaries as of December 31, 2022 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. Subsidiary State of Incorporation 1. DTE Electric Company Michigan 2. DTE Electric Holdings, LLC Michigan 3. DTE Energy Trading, Inc. Michig

Year-end Earnings Conference Call February 23, 2023 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statement

q422presentationfinal8k Year-end Earnings Conference Call February 23, 2023 EXHIBIT 99.

DTE Energy closes year with strong financial results; well-positioned for 2023

Exhibit 99.1 DTE Energy closes year with strong financial results; well-positioned for 2023 •Announced plan to accelerate progress toward a clean energy future •Improved electric reliability across service area •Achieved significant growth of voluntary renewable energy program •Retired two coal plants •Placed Blue Water Energy Center into commercial operation •Led the region in customer satisfacti

DTE / DTE Energy Co / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* DTE Energy Co. (Name of Issuer) Common Stock (Title of Class of Securities) 233331107 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

DTE / DTE Energy Co / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0049-dteenergyco.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: DTE Energy Co. Title of Class of Securities: Common Stock CUSIP Number: 233331107 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rul

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 02, 2023 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

EEI Financial Conference November 13 - 15, 2022 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements co

EEI Financial Conference November 13 - 15, 2022 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as ?anticipate,? ?believe,? ?expect,? ?may,? ?cou

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 3, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Nine Months Ended September 30, 2022

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Nine Months Ended September 30, 2022 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on November 14, 2022, pursuant to the provisions of Rule 12d2-2 (a).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended September 30, 2022 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or oth

FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT Dated as of October 25, 2022, Among DTE ELECTRIC COMPANY, as Borrower and THE INITIAL LENDERS NAMED HEREIN, as Initial Lenders and CITIBANK, N.A., as Administrative Agent and JPMORGAN CHASE BANK,

Exhibit 10.2 FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT Dated as of October 25, 2022, Among DTE ELECTRIC COMPANY, as Borrower and THE INITIAL LENDERS NAMED HEREIN, as Initial Lenders and CITIBANK, N.A., as Administrative Agent and JPMORGAN CHASE BANK, N.A., WELLS FARGO BANK, NATIONAL ASSOCIATION, as Co-Syndication Agent as Co-Syndication Agent and BANK OF AMERICA, N.A., BARCLAYS BANK PL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 27, 2022 Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 27, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification N

DTE ENERGY COMPANY THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 1, 2022 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 AND AMENDING THE SERIES F SUPPLEMENTAL INDENTURE DATED AS

Exhibit 4.1 DTE ENERGY COMPANY AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., TRUSTEE SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 1, 2022 SUPPLEMENTING THE AMENDED AND RESTATED INDENTURE DATED AS OF APRIL 9, 2001 AND AMENDING THE SERIES F SUPPLEMENTAL INDENTURE DATED AS OF NOVEMBER 1, 2019 PROVIDING FOR 2019 SERIES F 4.220% REMARKETABLE SENIOR NOTES DUE 2024 SUPPLEMENTAL INDENTURE, dated as of

D T E 3 Q 2 0 2 2 E A R N I N G S C O N F E R E N C E C A L L O C T O B E R 2 7 , 2 0 2 2 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention t

q322presentationfinal8k D T E 3 Q 2 0 2 2 E A R N I N G S C O N F E R E N C E C A L L O C T O B E R 2 7 , 2 0 2 2 EXHIBIT 99.

FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT Dated as of October 25, 2022, Among DTE ENERGY COMPANY, as Borrower and THE INITIAL LENDERS NAMED HEREIN, as Initial Lenders and CITIBANK, N.A., as Administrative Agent and JPMORGAN CHASE BANK, N.

Exhibit 10.1 FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT Dated as of October 25, 2022, Among DTE ENERGY COMPANY, as Borrower and THE INITIAL LENDERS NAMED HEREIN, as Initial Lenders and CITIBANK, N.A., as Administrative Agent and JPMORGAN CHASE BANK, N.A., WELLS FARGO BANK, NATIONAL ASSOCIATION, as Co-Syndication Agent as Co-Syndication Agent and BANK OF AMERICA, N.A., BARCLAYS BANK PLC,

DTE Energy reports strong third quarter 2022 results

Exhibit 99.1 DTE Energy reports strong third quarter 2022 results •Announced addition of 650 megawatts of new solar energy in Michigan •Partnered to attract new business to service territory, bringing 2,000 jobs •Launched tree equity partnership in Detroit •Ranked a best employer by Forbes DETROIT, October 27, 2022 – Following a quarter marked by environmental stewardship, collaboration with regio

SUPPLEMENTAL INDENTURE

Exhibit 4.2 FIFTY-THIRD SUPPLEMENTAL INDENTURE TO INDENTURE OF MORTGAGE AND DEED OF TRUST DATED AS OF MARCH 1, 1944 AS RESTATED IN PART II OF THE TWENTY-NINTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 1989 WHICH BECAME EFFECTIVE ON APRIL 1, 1994 DTE GAS COMPANY formerly known as Michigan Consolidated Gas Company TO CITIBANK, N.A., TRUSTEE DATED AS OF SEPTEMBER 1, 2022 CREATING TWO ISSUES OF FIRS

FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT Dated as of October 25, 2022, Among DTE GAS COMPANY, as Borrower and THE INITIAL LENDERS NAMED HEREIN, as Initial Lenders and CITIBANK, N.A., as Administrative Agent and JPMORGAN CHASE BANK, N.A.,

Exhibit 10.3 FIFTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT Dated as of October 25, 2022, Among DTE GAS COMPANY, as Borrower and THE INITIAL LENDERS NAMED HEREIN, as Initial Lenders and CITIBANK, N.A., as Administrative Agent and JPMORGAN CHASE BANK, N.A., WELLS FARGO BANK, NATIONAL ASSOCIATION, as Co-Syndication Agent as Co-Syndication Agent and BANK OF AMERICA, N.A., BARCLAYS BANK PLC, TH

D T E E N E R G Y B U S I N E S S U P D AT E S e p t e m b e r 3 0 , 2 0 2 2 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any

D T E E N E R G Y B U S I N E S S U P D AT E S e p t e m b e r 3 0 , 2 0 2 2 EXHIBIT 99.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 29, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 13, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification

D T E E N E R G Y B U S I N E S S U P D AT E S e p t e m b e r 1 4 , 2 0 2 2 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any

D T E E N E R G Y B U S I N E S S U P D AT E S e p t e m b e r 1 4 , 2 0 2 2 EXHIBIT 99.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 29, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No

D T E E N E R G Y B U S I N E S S U P D AT E A u g u s t 3 0 , 2 0 2 2 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forwar

D T E E N E R G Y B U S I N E S S U P D AT E A u g u s t 3 0 , 2 0 2 2 EXHIBIT 99.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 05, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No

D T E E N E R G Y B U S I N E S S U P D AT E A u g u s t 8 - 9 , 2 0 2 2 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forw

D T E E N E R G Y B U S I N E S S U P D AT E A u g u s t 8 - 9 , 2 0 2 2 EXHIBIT 99.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.

$1,300,000,000 DTE Energy Company 2019 Series F 4.220% Senior Notes due 2024

Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-264196 Prospectus Supplement (To Prospectus Dated April 8, 2022) $1,300,000,000 DTE Energy Company 2019 Series F 4.220% Senior Notes due 2024 This prospectus supplement relates to the remarketing of $1,300,000,000 aggregate principal amount of our 2019 Series F 2.25% Remarketable Senior Notes due 2024 (the ?Original Notes?), w

Calculation of Filing Fee Table (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table 424B2 (Form Type) DTE Energy Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 2019 Series F Rule 457(r) $1,300,000,000 100.

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Six Months Ended June 30, 2022

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three and Six Months Ended June 30, 2022 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6 Conso

DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 4.220% 2019 Series F Senior Notes due 2024 Legal Format: SEC Registered Principal Amount: $1,300,000,000 Maturity Date: November 1, 2024 Trade Date: August 3, 2022 Settlement

Filed Pursuant to Rule 433 Registration No. 333-264196 Free Writing Prospectus dated August 3, 2022 DTE ENERGY COMPANY PRICING TERM SHEET Issuer: DTE Energy Company Security: 4.220% 2019 Series F Senior Notes due 2024 Legal Format: SEC Registered Principal Amount: $1,300,000,000 Maturity Date: November 1, 2024 Trade Date: August 3, 2022 Settlement Date: August 8, 2022 (T+3) Coupon: 4.220%, effecti

Subject to Completion, Dated August 3, 2022

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-264196 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying base prospectus are not an offer to sell these securities and are not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not pe

DTE ENERGY COMPANY Annual Incentive Plan Restated Effective July 1, 2022

Exhibit 10.5 DTE ENERGY COMPANY Annual Incentive Plan Restated Effective July 1, 2022 Purpose The DTE Energy Company Annual Incentive Plan (?Plan?) was originally established in 1997 to reward eligible employees of DTE Energy Company (?DTE?) and its Subsidiaries for accomplishing financial and strategic objectives that improve DTE?s operating results and position DTE for long-term profitability an

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended June 30, 2022 Or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other ju

AMENDMENT NO. 3 FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT

Exhibit 10.1 EXECUTION VERSION AMENDMENT NO. 3 TO FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT THIS AMENDMENT NO. 3 TO FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT (this ?Amendment?) is made as of May 12, 2022, by and among DTE ENERGY COMPANY (the ?Borrower?), the lenders listed on the signature pages hereof (the ?Lenders?), and CITIBANK, N.A. (?Citibank?), as Administrative Ag

AMENDMENT NO. 2 TO FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT

Exhibit 10.3 EXECUTION VERSION AMENDMENT NO. 2 TO FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT THIS AMENDMENT NO. 2 TO FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT (this ?Amendment?) is made as of May 12, 2022, by and among DTE GAS COMPANY (the ?Borrower?), the lenders listed on the signature pages hereof (the ?Lenders?), and CITIBANK, N.A. (?Citibank?), as Administrative Agent

TERM LOAN CREDIT AGREEMENT Dated as of June 24, 2022 DTE ENERGY COMPANY, as Borrower THE INITIAL LENDERS NAMED HEREIN, as Initial Lenders THE BANK OF NOVA SCOTIA, as Administrative Agent

Exhibit 10.4 EXECUTION COPY $1,125,000,000 TERM LOAN CREDIT AGREEMENT Dated as of June 24, 2022 Among DTE ENERGY COMPANY, as Borrower and THE INITIAL LENDERS NAMED HEREIN, as Initial Lenders and THE BANK OF NOVA SCOTIA, as Administrative Agent THE BANK OF NOVA SCOTIA as Mandated Lead Arranger and Sole Book Runner TABLE OF CONTENTS Page ARTICLE I: DEFINITIONS AND ACCOUNTING TERMS 1 SECTION 1.01 Cer

D T E 2 Q 2 0 2 2 E A R N I N G S C O N F E R E N C E C A L L J U L Y 2 8 , 2 0 2 2 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to upda

D T E 2 Q 2 0 2 2 E A R N I N G S C O N F E R E N C E C A L L J U L Y 2 8 , 2 0 2 2 EXHIBIT 99.

DTE Energy reports strong second quarter 2022 results, raises guidance

Exhibit 99.1 DTE Energy reports strong second quarter 2022 results, raises guidance ?Year-to-date performance ahead of plan; raising guidance ?Placed Blue Water Energy Center into commercial operation ?Ranked among top corporate citizens in nation ?Earned 2022 Energy Star Excellence award in Energy Efficiency ?Awarded $1.25 million in grants to MI organizations advancing critical education and emp

AMENDMENT NO. 2 TO FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT

Exhibit 10.2 EXECUTION VERSION AMENDMENT NO. 2 TO FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT THIS AMENDMENT NO. 2 TO FOURTH AMENDED AND RESTATED FIVE-YEAR CREDIT AGREEMENT (this ?Amendment?) is made as of May 12, 2022, by and among DTE ELECTRIC COMPANY (the ?Borrower?), the lenders listed on the signature pages hereof (the ?Lenders?), and CITIBANK, N.A. (?Citibank?), as Administrative

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 24, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 22, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

DTE Energy Company Executive Severance Allowance Plan, effective July 1, 2022 (Exhibit 10.1 to DTE Energy’s Form 8-K filed on June 27, 2022)

Exhibit 10.1 DTE ENERGY COMPANY EXECUTIVE SEVERANCE ALLOWANCE PLAN Effective July 1, 2022 DTE ENERGY COMPANY EXECUTIVE SEVERANCE ALLOWANCE PLAN TABLE OF CONTENTS Page ARTICLE I - DEFINITIONS 1 ARTICLE II - ELIGIBILITY 5 2.1 Eligibility for Basic Benefit and Supplemental Benefits 5 2.2 Ineligibility 5 ARTICLE III - BENEFITS 6 3.1 Basic Benefit 6 3.2 Supplemental Benefits 6 3.3 Timing of Benefit Pay

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Commission file number 1-11607 DTE ENERGY COM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Commission file number 1-11607 DTE ENERGY COMPANY DEFINED CONTRIBUTION PLANS DTE Energy Company Savings and Stock Ownership Plan DTE Electric Company Savings & Stock Ownership Plan for Employees

D T E E N E R G Y B U S I N E S S U P D AT E J U N E 1 0 , 2 0 2 2 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-lo

D T E E N E R G Y B U S I N E S S U P D AT E J U N E 1 0 , 2 0 2 2 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as ?anticipate,? ?believe,? ?e

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 09, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

D T E E N E R G Y A G A F I N A N C I A L F O R U M M A Y 1 6 - 1 8 , 2 0 2 2 EXHIBIT 99.1 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any

D T E E N E R G Y A G A F I N A N C I A L F O R U M M A Y 1 6 - 1 8 , 2 0 2 2 EXHIBIT 99.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.) R

DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three Months Ended March 31, 2022

Exhibit 99.1 DTE Gas Company Unaudited Consolidated Financial Statements as of and for the Three Months Ended March 31, 2022 TABLE OF CONTENTS Page Definitions 1 Consolidated Statements of Operations (Unaudited) 2 Consolidated Statements of Comprehensive Income (Unaudited) 3 Consolidated Statements of Financial Position (Unaudited) 4 Consolidated Statements of Cash Flows (Unaudited) 6 Consolidated

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2022 Commission File Number: 1-11607 DTE Energy Company Michigan 38-3217752 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.) R

DTE Energy reports strong first quarter 2022 results

Exhibit 99.1 DTE Energy reports strong first quarter 2022 results ?Recognized as a Gallup Great Workplace for 10th consecutive year ?Achieved nearly 500 business and more than 50,000 residential MIGreenPower subscribers ?Improved EV access in Detroit through Lyft partnership ?Advanced Scope 3 gas emissions reduction goal by a full decade ?DTE Foundation granted nearly $3.5 million to nonprofit org

D T E 1 Q 2 0 2 2 E A R N I N G S C O N F E R E N C E C A L L A P R I L 2 8 , 2 0 2 2 EXHIBIT 99.2 Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to up

D T E 1 Q 2 0 2 2 E A R N I N G S C O N F E R E N C E C A L L A P R I L 2 8 , 2 0 2 2 EXHIBIT 99.