PTY / PIMCO Corporate & Income Opportunity Fund - تصريحات هيئة الأوراق المالية والبورصات، التقرير السنوي، بيان الوكيل

صندوق PIMCO للشركات وفرص الدخل
US ˙ NYSE ˙ US72201B1017

الإحصائيات الأساسية
LEI HDLWHPN6NOUBN66AS151
CIK 1190935
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to PIMCO Corporate & Income Opportunity Fund
SEC Filings (Chronological Order)
توفر هذه الصفحة قائمة كاملة ومرتبة ترتيبًا زمنيًا لتصريحات هيئة الأوراق المالية والبورصات، باستثناء تصريحات الملكية التي نقدمها في مكان آخر.
June 6, 2025 424B5

PROSPECTUS SUPPLEMENT (To Prospectus dated September 28, 2023) PIMCO Corporate & Income Opportunity Fund Up to $1,000,000,000 Common Shares

Filed pursuant to Rule 424(b)(5) File No. 333-274752 PROSPECTUS SUPPLEMENT (To Prospectus dated September 28, 2023) PIMCO Corporate & Income Opportunity Fund Up to $1,000,000,000 Common Shares PIMCO Corporate & Income Opportunity Fund (the “Fund”) has entered into a sales agreement (the “Sales Agreement”) with JonesTrading Institutional Services LLC (“JonesTrading”) relating to its common shares o

June 6, 2025 EX-FILING FEES

Calculation of Filing Fee Tables Form 424(b)(5) (Form Type) PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security  Type Security Class Title Fe

EX-FILING FEES EX. FILING FEES Calculation of Filing Fee Tables Form 424(b)(5) (Form Type) PIMCO Corporate & Income Opportunity Fund (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 Off

May 16, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in Its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 811-21238 46-6121513 (Commission File Number) (IRS Employer Identification No.

March 12, 2025 DEF 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 3, 2025 POS EX

As filed with the Securities and Exchange Commission on February 28, 2025

As filed with the Securities and Exchange Commission on February 28, 2025 1933 Act File No.

March 3, 2025 EX-99.(A)(16)

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

EX-99.(a)(16) PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; and WHEREAS, Joseph B. Kittredge, Jr. retired as a Trustee of the Trust, effective as of April 26, 2024; NOW, THEREFORE, as a result of the foregoing Trustee retirement, the

March 3, 2025 EX-99.(B)(1)

FOURTH AMENDED AND RESTATED PIMCO CORPORATE OPPORTUNITY FUND (Amended and Restated as of November 11, 2024) ARTICLE 1 Agreement and Declaration of Trust and Principal Office

EX-99.(b)(1) FOURTH AMENDED AND RESTATED BYLAWS of PIMCO CORPORATE OPPORTUNITY FUND (Amended and Restated as of November 11, 2024) ARTICLE 1 Agreement and Declaration of Trust and Principal Office 1.1 Principal Office of the Trust. A principal office of the Trust shall be located in New York, New York. The Trust may have other principal offices within or without Massachusetts as the Trustees may d

March 3, 2025 EX-99.(A)(17)

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

EX-99.(a)(17) PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; WHEREAS, David N. Fisher retired as a Trustee of the Trust, effective as of December 1, 2024; and WHEREAS, the Board nominated and appointed David Flattum as a Trustee of th

August 20, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 20, 2024 PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in Its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 811-21238 466121513 (Commission File Number) (IRS Employer Identification No.

August 20, 2024 EX-99.1

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated August 20, 2024 to the Fund’s Prospectus Supplement, Prospectus and Statement of Additional Information, each dated September 28, 2023, as supplemented from time to time (respect

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated August 20, 2024 to the Fund’s Prospectus Supplement, Prospectus and Statement of Additional Information, each dated September 28, 2023, as supplemented from time to time (respectively, the “Prospectus Supplement”, the “Prospectus” and the “SAI”) On August 15, 2024, the Fund’s Board of Trustees (the “Board”) (i) approved the re

August 20, 2024 424B3

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated August 20, 2024 to the Fund’s Prospectus Supplement, Prospectus and Statement of Additional Information, each dated September 28, 2023, as supplemented from time to time (respect

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated August 20, 2024 to the Fund’s Prospectus Supplement, Prospectus and Statement of Additional Information, each dated September 28, 2023, as supplemented from time to time (respectively, the “Prospectus Supplement”, the “Prospectus” and the “SAI”) On August 15, 2024, the Fund’s Board of Trustees (the “Board”) (i) approved the re

April 26, 2024 CORRESP

* * *

ROPES & GRAY LLP PRUDENTIAL TOWER 800 BOYLSTON STREET BOSTON, MA 02199-3600 WWW.ROPESGRAY.COM April 26, 2024 Adam M. Schlichtmann T +1 617 951 7114 F +1 617 235 7346 [email protected] VIA EDGAR CORRESPONDENCE Securities and Exchange Commission Division of Investment Management 100 F Street, N.E. Washington, D.C. 20549 Attn: Ken Ellington Re: Sarbanes-Oxley Review of PIMCO Closed-End

April 15, 2024 SC TO-I/A

As filed with the Securities and Exchange Commission on April 15, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act Of 1934 Amendment No

As filed with the Securities and Exchange Commission on April 15, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 15, 2024 EX-99.(A)(5)(II)

Number of Shares Accepted for Payment

April 15, 2024 For information on the Tender Offers: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 597-1054 PIMCO CORPORATE & INCOME STRATEGY FUND, PIMCO HIGH INCOME FUND, PIMCO INCOME STRATEGY FUND, PIMCO INCOME STRATEGY FUND II AND PIMCO CORPORATE & INCOME OPPORTUNITY FUND ANNOUNCE FINAL RESULTS OF TENDER OFFERS FOR AUCTION RATE PR

April 15, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in its Charter) Table 1 to Paragraph (a)(7) Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid   83

EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in its Charter) Table 1 to Paragraph (a)(7) Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid   83,814,500(a)     147.

March 13, 2024 DEF 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 12, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) PIMCO Corporate & Income Opportunities Fund (Exact Name of Registrant as Specified in its Charter) Table 1 to Paragraph (a)(7) Transaction Valuation  Fee rate  Amount of Filing Fee Fees to Be Paid

EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) PIMCO Corporate & Income Opportunities Fund (Exact Name of Registrant as Specified in its Charter) Table 1 to Paragraph (a)(7) Transaction Valuation  Fee rate  Amount of Filing Fee Fees to Be Paid 83,814,500(a) 147.

March 12, 2024 EX-99.(A)(1)(V)

Offer by Each of PIMCO Corporate & Income Strategy Fund (“PCN”) PIMCO High Income Fund (“PHK”) PIMCO Income Strategy Fund (“PFL”) PIMCO Income Strategy Fund II (“PFN”) PIMCO Corporate & Income Opportunity Fund (“PTY”) PIMCO California Municipal Incom

Offer by Each of PIMCO Corporate & Income Strategy Fund (“PCN”) PIMCO High Income Fund (“PHK”) PIMCO Income Strategy Fund (“PFL”) PIMCO Income Strategy Fund II (“PFN”) PIMCO Corporate & Income Opportunity Fund (“PTY”) PIMCO California Municipal Income Fund (“PCQ”) PIMCO California Municipal Income Fund II (“PCK”) PIMCO California Municipal Income Fund III (“PZC”) PIMCO Municipal Income Fund (“PMF”

March 12, 2024 EX-99.(A)(1)(VI)

Instructions for Withdrawal Previously Tendered Auction-Rate Preferred Shares PIMCO Corporate & Income Strategy Fund, PIMCO High Income Fund, PIMCO Income Strategy Fund, PIMCO Income Strategy Fund II, PIMCO Corporate & Income Opportunity Fund, PIMCO

Instructions for Withdrawal of Previously Tendered Auction-Rate Preferred Shares of PIMCO Corporate & Income Strategy Fund, PIMCO High Income Fund, PIMCO Income Strategy Fund, PIMCO Income Strategy Fund II, PIMCO Corporate & Income Opportunity Fund, PIMCO California Municipal Income Fund, PIMCO California Municipal Income Fund II, PIMCO California Municipal Income Fund III, PIMCO Municipal Income

March 12, 2024 EX-99.(A)(1)(III)

NOTICE OF GUARANTEED DELIVERY To Tender Auction-Rate Preferred Shares PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO Corporate & Income Opportunity Fund PIMCO California Mu

NOTICE OF GUARANTEED DELIVERY To Tender Auction-Rate Preferred Shares Of PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO Corporate & Income Opportunity Fund PIMCO California Municipal Income Fund PIMCO California Municipal Income Fund II PIMCO California Municipal Income Fund III PIMCO Municipal Income Fund PIMCO Municipa

March 12, 2024 EX-99.(A)(1)(I)

Offer by Each of PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO Corporate & Income Opportunity Fund PIMCO California Municipal Income Fund PIMCO California Municipal Income

Offer by Each of PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO Corporate & Income Opportunity Fund PIMCO California Municipal Income Fund PIMCO California Municipal Income Fund II PIMCO California Municipal Income Fund III PIMCO Municipal Income Fund PIMCO Municipal Income Fund II PIMCO Municipal Income Fund III PIMCO N

March 12, 2024 EX-99.(A)(1)(II)

LETTER OF TRANSMITTAL To Tender Preferred Shares (Designated Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and/or Series F) PIMCO Corporate & Income Opportunity Fund Pursuant to the Offer to Purchase Dated March 12, 2024 THE O

LETTER OF TRANSMITTAL To Tender Preferred Shares (Designated Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and/or Series F) of PIMCO Corporate & Income Opportunity Fund Pursuant to the Offer to Purchase Dated March 12, 2024 THE OFFER AND WITHDRAWAL RIGHTS EXPIRE AT 5:00 P.

March 12, 2024 EX-99.(A)(1)(IV)

Offer by Each of PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO Corporate & Income Opportunity Fund PIMCO California Municipal Income Fund PIMCO California Municipal Income

Offer by Each of PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO Corporate & Income Opportunity Fund PIMCO California Municipal Income Fund PIMCO California Municipal Income Fund II PIMCO California Municipal Income Fund III PIMCO Municipal Income Fund PIMCO Municipal Income Fund II PIMCO Municipal Income Fund III PIMCO N

March 12, 2024 SC TO-I

As filed with the Securities and Exchange Commission on March 12, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act Of 1934 PIMCO Corpor

As filed with the Securities and Exchange Commission on March 12, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

March 12, 2024 EX-99.(D)(I)

TENDER OFFER AGREEMENT

TENDER OFFER AGREEMENT This Agreement (“Agreement”) is made and entered into as of the 12th day of March, 2024, by and among PIMCO Corporate & Income Strategy Fund (“PCN”), PIMCO Income Strategy Fund (“PFL”), PIMCO Income Strategy Fund II (“PFN”), PIMCO High Income Fund (“PHK”), PIMCO Corporate & Income Opportunity Fund (“PTY”), PIMCO Municipal Income Fund (“PMF”), PIMCO Municipal Income Fund II (

March 12, 2024 EX-99.(A)(5)(I)

March 12, 2024

March 12, 2024 For information on the Tender Offers: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 597-1054 PIMCO CORPORATE & INCOME STRATEGY FUND, PIMCO HIGH INCOME FUND, PIMCO INCOME STRATEGY FUND, PIMCO INCOME STRATEGY FUND II, PIMCO CORPORATE & INCOME OPPORTUNITY FUND, PIMCO CALIFORNIA MUNICIPAL INCOME FUND, PIMCO CALIFORNIA MUNI

October 4, 2023 SC 13G/A

PTY / PIMCO Corporate & Income Opportunity Fund / BANK OF AMERICA CORP /DE/ Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 04)* PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Name of Issuer) Auction-Rate Preferred Shares (Title of Class of Securities) 72201B (CUSIP Number) September 30, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desig

October 4, 2023 EX-99.1

BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY

BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the "Corporation"), does hereby make, constitute, and appoint each of Szabina Biro, Hannah Chae, Andres Ortiz Custodio, Kamil Dziedzic, Krishnan Harihanran, Kelvin Kwok, Frank Lui, James Todd, Michelle Wong, and Monica Yako as an attorney-in-fact for the Corporation acting for the Corporation

October 4, 2023 EX-99.2

EX-99.2

JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with the Securities and Exchange Commission (and, if such security is registered on a national securities exchange, also with the exchange), and further agrees to the filing,furnishing, and/or incorporation by reference of this agreement as an exhibit thereto.

September 29, 2023 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) PIMCO Corporate & Income Opportunity Fund (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

EX. FILING FEES Calculation of Filing Fee Tables 424(b)(5) (Form Type) PIMCO Corporate & Income Opportunity Fund (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 Rat

September 29, 2023 424B5

PROSPECTUS SUPPLEMENT (To Prospectus dated September 28, 2023) PIMCO Corporate & Income Opportunity Fund Up to $750,000,000 Common Shares

Filed pursuant to Rule 424(b)(5) File No. 333-274752 PROSPECTUS SUPPLEMENT (To Prospectus dated September 28, 2023) PIMCO Corporate & Income Opportunity Fund Up to $750,000,000 Common Shares PIMCO Corporate & Income Opportunity Fund (the “Fund”) has entered into a sales agreement (the “Sales Agreement”) with JonesTrading Institutional Services LLC (“JonesTrading”) relating to its common shares of

September 28, 2023 EX-99.A13

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

Exhibit a.13 PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; and WHEREAS, the Board nominated and appointed Kathleen McCartney as a Trustee of the Trust, effective as of July 1, 2022; NOW, THEREFORE, as a result of the foregoing Truste

September 28, 2023 EX-99.A9

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

Exhibit a.9 PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; and WHEREAS, the Board nominated and appointed Joseph B. Kittredge, Jr. as a Trustee of the Trust, effective as of June 11, 2020; NOW, THEREFORE, as a result of the foregoing

September 28, 2023 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form N-2 of our report dated August 25, 2023 relating to the financial statements and financial highlights, which appears in PIMCO Corporate & Income Opportunity Fund’s Annual Report on Form N-CSR for the year ended June 30, 2023.

September 28, 2023 EX-FILING FEES

Calculation of Filing Fee Tables Form N-2 (Form Type) PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calcu

Exhibit t EX. FILING FEES Calculation of Filing Fee Tables Form N-2 (Form Type) PIMCO Corporate & Income Opportunity Fund (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 Fe

September 28, 2023 N-2ASR

As filed with the Securities and Exchange Commission on September 28, 2023

As filed with the Securities and Exchange Commission on September 28, 2023 1933 Act File No.

September 28, 2023 EX-99.A10

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

Exhibit a.10 PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; and WHEREAS, James A. Jacobson resigned as a Trustee of the Trust, effective as of December 31, 2020; NOW, THEREFORE, as a result of the foregoing Trustee resignation, the ei

September 28, 2023 EX-99.T2

POWER OF ATTORNEY

Exhibit t.2 POWER OF ATTORNEY I, the undersigned President and Principal Executive Officer of the registered investment companies listed on Schedule A attached hereto (each, a “Fund”), hereby severally constitute and appoint each of Wu-Kwan Kit, Ryan G. Leshaw, David C. Sullivan and Adam T. Teufel, and each of them singly, with full powers of substitution and resubstitution, my true and lawful att

September 28, 2023 EX-99.A14

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

Exhibit a.14 PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; and WHEREAS, William B. Ogden, IV retired as a Trustee of the Trust, effective as of December 31, 2022; NOW, THEREFORE, as a result of the foregoing Trustee retirement, the e

September 28, 2023 EX-99.T1

POWER OF ATTORNEY

Exhibit t.1 POWER OF ATTORNEY We, the undersigned Trustees/Directors of the registered investment companies listed on Schedule A attached hereto (each, a “Fund”), hereby severally constitute and appoint each of Wu-Kwan Kit, Ryan G. Leshaw, David C. Sullivan and Adam T. Teufel, and each of them singly, with full powers of substitution and resubstitution, our true and lawful attorney, with full powe

September 28, 2023 EX-99.U

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) SECRETARY’S CERTIFICATE

Exhibit t.4 PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) SECRETARY’S CERTIFICATE I, Wu-Kwan Kit, solely in my capacity as Secretary of the Fund, hereby certify on behalf of the Fund, pursuant to Rule 483(b) under the Securities Act of 1933, that the following resolution was unanimously approved at the meeting of the Board of Trustees of the Fund held on June 14, 2023: VOTED: That any Off

September 28, 2023 EX-99.A12

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

Exhibit a.12 PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; and WHEREAS, Hans W. Kertess resigned as a Trustee of the Trust, effective as of December 31, 2021; NOW, THEREFORE, as a result of the foregoing Trustee resignation, the eigh

September 28, 2023 EX-99.A15

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

Exhibit a.15 PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; and WHEREAS, John C. Maney retired as a Trustee of the Trust, effective as of April 30, 2023; and WHEREAS, the Board nominated and appointed Libby D. Cantrill as a Trustee of

September 28, 2023 EX-99.A11

PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES

Exhibit a.11 PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; and WHEREAS, the Board nominated and appointed Grace Vandecruze as a Trustee of the Trust, effective as of June 29, 2021; NOW, THEREFORE, as a result of the foregoing Trustee

September 28, 2023 EX-99.I

ROPES & GRAY LLP

Exhibit I ROPES & GRAY LLP PRUDENTIAL TOWER 800 BOYLSTON STREET BOSTON, MA 02199-3600 WWW.

September 28, 2023 EX-99.T3

POWER OF ATTORNEY

Exhibit t.3 POWER OF ATTORNEY I, the undersigned Treasurer and Principal Financial and Accounting Officer of the registered investment companies listed on Schedule A attached hereto (each, a “Fund”), hereby severally constitute and appoint each of Wu-Kwan Kit, Ryan G. Leshaw, David C. Sullivan and Adam T. Teufel, and each of them singly, with full powers of substitution and resubstitution, my true

September 28, 2023 EX-99.H

PIMCO CORPORATE & INCOME OPPORTUNITY FUND COMMON SHARES CAPITAL ON DEMAND™ AMENDED AND RESTATED SALES AGREEMENT

Exhibit h PIMCO CORPORATE & INCOME OPPORTUNITY FUND COMMON SHARES CAPITAL ON DEMAND™ THIRD AMENDED AND RESTATED SALES AGREEMENT September 28, 2023 JONESTRADING INSTITUTIONAL SERVICES LLC 325 Hudson Street, 6th Floor New York, NY 10013 Ladies and Gentlemen: PIMCO Corporate & Income Opportunity Fund, an unincorporated voluntary association with transferable shares organized and existing under and by

September 27, 2023 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in Its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 811-21238 46-6121513 (Commission File Number) (IRS Employer Identification No.

September 27, 2023 EX-99.1

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated September 26, 2023 to the Fund’s Prospectus and Statement of Additional Information dated November 23, 2020, each as supplemented from time to time (respectively, the “Prospectus

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated September 26, 2023 to the Fund’s Prospectus and Statement of Additional Information dated November 23, 2020, each as supplemented from time to time (respectively, the “Prospectus” and the “SAI”) Effective October 27, 2023, the Fund’s investment guideline limiting the Fund’s investments in illiquid investments to 20% of the Fund’s total assets is removed.

September 27, 2023 424B3

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated September 26, 2023 to the Fund’s Prospectus and Statement of Additional Information dated November 23, 2020, each as supplemented from time to time (respectively, the “Prospectus

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated September 26, 2023 to the Fund’s Prospectus and Statement of Additional Information dated November 23, 2020, each as supplemented from time to time (respectively, the “Prospectus” and the “SAI”) Effective October 27, 2023, the Fund’s investment guideline limiting the Fund’s investments in illiquid investments to 20% of the Fund’s total assets is removed.

September 26, 2023 424B3

PIMCO Corporate & Income Opportunity Fund (the “Fund”) Supplement dated September 26, 2023 to the Fund’s Prospectus and Statement of Additional Information (“SAI”), each dated November 23, 2020, as supplemented from time to time

PIMCO Corporate & Income Opportunity Fund (the “Fund”) Supplement dated September 26, 2023 to the Fund’s Prospectus and Statement of Additional Information (“SAI”), each dated November 23, 2020, as supplemented from time to time As of October 2, 2023, Giang Bui will serve as co-Portfolio Manager of the Fund, sharing responsibilities with current Portfolio Managers Alfred T.

September 26, 2023 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in Its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 811-21238 466121513 (Commission File Number) (IRS Employer Identification No.

September 26, 2023 EX-99.1

PIMCO Corporate & Income Opportunity Fund (the “Fund”) Supplement dated September 26, 2023 to the Fund’s Prospectus and Statement of Additional Information (“SAI”), each dated November 23, 2020, as supplemented from time to time

PIMCO Corporate & Income Opportunity Fund (the “Fund”) Supplement dated September 26, 2023 to the Fund’s Prospectus and Statement of Additional Information (“SAI”), each dated November 23, 2020, as supplemented from time to time As of October 2, 2023, Giang Bui will serve as co-Portfolio Manager of the Fund, sharing responsibilities with current Portfolio Managers Alfred T.

September 20, 2023 EX-99.(A)(5)(II)

September 20, 2023

September 20, 2023 For information on the Tender Offers: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 597-1054 PIMCO CORPORATE & INCOME OPPORTUNITY FUND, PIMCO CORPORATE & INCOME STRATEGY FUND, PIMCO HIGH INCOME FUND, PIMCO INCOME STRATEGY FUND, PIMCO INCOME STRATEGY FUND II, PIMCO CALIFORNIA MUNICIPAL INCOME FUND, PIMCO CALIFORNIA

September 20, 2023 SC TO-I/A

As filed with the Securities and Exchange Commission on September 20, 2023 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act Of 1934 Amendmen

As filed with the Securities and Exchange Commission on September 20, 2023 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

September 20, 2023 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) PIMCO Corporate and Income Opportunity Fund (Exact Name of Registrant as Specified in its Charter) Table 1 to Paragraph (a)(7) Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid 20

EX-FILING FEES EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) PIMCO Corporate and Income Opportunity Fund (Exact Name of Registrant as Specified in its Charter) Table 1 to Paragraph (a)(7) Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid 204,144,000(a) 110.

August 15, 2023 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) PIMCO Corporate and Income Opportunity Fund (Exact Name of Registrant as Specified in its Charter) Table 1 to Paragraph (a)(7) Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid 20

EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) PIMCO Corporate and Income Opportunity Fund (Exact Name of Registrant as Specified in its Charter) Table 1 to Paragraph (a)(7) Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid 204,144,000 110.

August 15, 2023 EX-99.(D)(I)

TENDER OFFER AGREEMENT

Conformed Version TENDER OFFER AGREEMENT This Agreement (“Agreement”) is made and entered into as of the 11th day of August, 2023, by and among PIMCO Corporate & Income Strategy Fund (“PCN”), PIMCO Income Strategy Fund (“PFL”), PIMCO Income Strategy Fund II (“PFN”), PIMCO High Income Fund (“PHK”), PIMCO Corporate & Income Opportunity Fund (“PTY”), PIMCO Municipal Income Fund (“PMF”), PIMCO Municip

August 15, 2023 EX-99.(D)(II)

TENDER OFFER AGREEMENT

TENDER OFFER AGREEMENT This Agreement (“Agreement”) is made and entered into as of the 11th day of August, 2023, by and among PIMCO Corporate Income & Opportunity Fund (“PTY”), PIMCO Municipal Income Fund (“PMF”), PIMCO Municipal Income Fund II (“PML”), PIMCO Municipal Income Fund III (“PMX”), PIMCO New York Municipal Income Fund (“PNF”), PIMCO New York Municipal Income Fund II (“PNI”) and PIMCO New York Municipal Income Fund III (“PYN” and, together with PTY, PMF, PML, PMX, PNF and PNI each, a “Fund” and, collectively, the “Funds”), Pacific Investment Management Company LLC (“PIMCO” and, together with the Funds, the “Fund Parties”) and Oppenheimer & Co.

August 15, 2023 EX-99.(A)(1)(V)

Offer by Each of PIMCO Corporate & Income Opportunity Fund (“PTY”) PIMCO Corporate & Income Strategy Fund (“PCN”) PIMCO High Income Fund (“PHK”) PIMCO Income Strategy Fund (“PFL”) PIMCO Income Strategy Fund II (“PFN”) PIMCO California Municipal Incom

Form of Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Offer by Each of PIMCO Corporate & Income Opportunity Fund (“PTY”) PIMCO Corporate & Income Strategy Fund (“PCN”) PIMCO High Income Fund (“PHK”) PIMCO Income Strategy Fund (“PFL”) PIMCO Income Strategy Fund II (“PFN”) PIMCO California Municipal Income Fund (“PCQ”) PIMCO California Municipal Income Fund II (“PCK”) PIMCO

August 15, 2023 EX-99.(A)(1)(VI)

Instructions for Withdrawal Previously Tendered Auction-Rate Preferred Shares PIMCO California Municipal Income Fund, PIMCO California Municipal Income Fund II, PIMCO California Municipal Income Fund III, PIMCO Corporate & Income Opportunity Fund, PI

Instructions for Withdrawal of Previously Tendered Auction-Rate Preferred Shares of PIMCO California Municipal Income Fund, PIMCO California Municipal Income Fund II, PIMCO California Municipal Income Fund III, PIMCO Corporate & Income Opportunity Fund, PIMCO Corporate & Income Strategy Fund, PIMCO High Income Fund, PIMCO Income Strategy Fund, PIMCO Income Strategy Fund II, PIMCO Municipal Income

August 15, 2023 EX-99.(A)(1)(IV)

Offer by Each of PIMCO California Municipal Income Fund PIMCO California Municipal Income Fund II PIMCO California Municipal Income Fund III PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO

Form of Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Offer by Each of PIMCO California Municipal Income Fund PIMCO California Municipal Income Fund II PIMCO California Municipal Income Fund III PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO Municipal In

August 15, 2023 EX-99.(A)(1)(III)

NOTICE OF GUARANTEED DELIVERY To Tender Auction-Rate Preferred Shares PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO California Mu

Form of Notice of Guaranteed Delivery. NOTICE OF GUARANTEED DELIVERY To Tender Auction-Rate Preferred Shares Of PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO California Municipal Income Fund PIMCO California Municipal Income Fund II PIMCO California Municipal Income Fund III PIM

August 15, 2023 EX-99.(A)(1)(I)

Offer by Each of PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO California Municipal Income Fund PIMCO California Municipal Income

Offer to Purchase dated August 14, 2023 Offer by Each of PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO California Municipal Income Fund PIMCO California Municipal Income Fund II PIMCO California Municipal Income Fund III PIMCO Municipal Income Fund PIMCO Municipal Income Fund II

August 15, 2023 EX-99.1

August 14, 2023

August 14, 2023 For information on the Tender Offers: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 597-1054 PIMCO CORPORATE & INCOME OPPORTUNITY FUND, PIMCO CORPORATE & INCOME STRATEGY FUND, PIMCO HIGH INCOME FUND, PIMCO INCOME STRATEGY FUND, PIMCO INCOME STRATEGY FUND II, PIMCO CALIFORNIA MUNICIPAL INCOME FUND, PIMCO CALIFORNIA MUN

August 15, 2023 EX-99.(A)(1)(II)

LETTER OF TRANSMITTAL To Tender Preferred Shares (Designated Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH, and/or Series F) PIMCO Corporate & Income Opportunity Fund Pursuant to the Offer to Purchase Dated August 14, 2023

Form of Letter of Transmittal. LETTER OF TRANSMITTAL To Tender Preferred Shares (Designated Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH, and/or Series F) of PIMCO Corporate & Income Opportunity Fund Pursuant to the Offer to Purchase Dated August 14, 2023 THE OFFER AND WITHDRAWAL RIGHTS EXPIRE AT 5:00 P.M., NEW YORK CITY TIME, ON September 18, 2023, UNLESS THE OFFER IS EXT

August 15, 2023 SC TO-I

As filed with the Securities and Exchange Commission on August 14, 2023 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act Of 1934 PIMCO Corpo

SC TO-I As filed with the Securities and Exchange Commission on August 14, 2023 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

August 15, 2023 SC TO-C

As filed with the Securities and Exchange Commission on August 14, 2023 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act Of 1934 PIMCO Corpo

As filed with the Securities and Exchange Commission on August 14, 2023 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

March 17, 2023 DEF 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEF 14A SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 15, 2023 DEF 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

December 2, 2022 EX-99.1

PIMCO CLOSED-END FUNDS DECLARE MONTHLY COMMON SHARE DISTRIBUTIONS

EX-99.1 2 d427269dex991.htm EX-99.1 NEWS RELEASE For information on PIMCO Closed-End Funds: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 597-1054 PIMCO CLOSED-END FUNDS DECLARE MONTHLY COMMON SHARE DISTRIBUTIONS NEW YORK, NY, December 1, 2022 – The Boards of Trustees/Directors of the PIMCO closed-end funds below (each, a “Fund” and,

December 2, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 1, 2022 PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in Its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 811-21238 46-6121513 (Commission File Number) (IRS Employer Identification No.

March 30, 2022 424B3

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the ?Fund?) Supplement dated March 30, 2022 to the Fund?s Prospectus and Statement of Additional Information dated November 23, 2020, each as supplemented from time to time (respectively, the ?Prospectus? an

424B3 1 d311122d424b3.htm 424B3 PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated March 30, 2022 to the Fund’s Prospectus and Statement of Additional Information dated November 23, 2020, each as supplemented from time to time (respectively, the “Prospectus” and the “SAI”) On March 25, 2022, the Fund’s Board of Trustees (the “Board”) approved a change to the Fund’s fiscal year

March 30, 2022 EX-99.1

PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated March 30, 2022 to the Fund’s Prospectus and Statement of Additional Information dated November 23, 2020, each as supplemented from time to time (respectively, the “Prospectus” an

EX-99.1 2 d311122dex991.htm EX-99.1 PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) Supplement dated March 30, 2022 to the Fund’s Prospectus and Statement of Additional Information dated November 23, 2020, each as supplemented from time to time (respectively, the “Prospectus” and the “SAI”) On March 25, 2022, the Fund’s Board of Trustees (the “Board”) approved a change to the Fund’s fiscal

March 30, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

8-K 1 d311122d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 30, 2022 PIMCO Corporate & Income Opportunity Fund (Exact Name of Registrant as Specified in Its Charter) Massachusetts (State or Other Jurisdiction of Inc

March 16, 2022 DEF 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEF 14A 1 d291509ddef14a.htm DEF 14A SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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 On

December 22, 2021 NPORT-EX

Lending Rate

Schedule of Investments PIMCO Corporate & Income Opportunity Fund October 31, 2021 (Unaudited) (AMOUNTS IN THOUSANDS*, EXCEPT NUMBER OF SHARES, CONTRACTS, UNITS AND OUNCES, IF ANY) PRINCIPAL AMOUNT (000s) MARKET VALUE (000s) INVESTMENTS IN SECURITIES 167.

June 28, 2021 NPORT-EX

Lending Rate

corpincomeoppfund Schedule of Investments PIMCO Corporate and Income Opportunity Fund April 30, 2021 (Unaudited) (AMOUNTS IN THOUSANDS*, EXCEPT NUMBER OF SHARES, CONTRACTS, UNITS AND OUNCES, IF ANY) PRINCIPAL AMOUNT (000s) MARKET VALUE (000s) INVESTMENTS IN SECURITIES 176.

March 19, 2021 DEF 14A

- DEF 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 1, 2021 EX-99.03

BANK OF AMERICA, NATIONAL ASSOCIATION LIMITED POWER OF ATTORNEY

EX-99.03 4 banalpoa.htm EX-99.03 EXHIBIT 99.3 BANK OF AMERICA, NATIONAL ASSOCIATION LIMITED POWER OF ATTORNEY BANK OF AMERICA, NATIONAL ASSOCIATION, a national association formed under the laws of the United States, (the “Association”), does hereby make, constitute, and appoint Michael Jentis as an attorney-in-fact for the Association acting for the Association and in the Association’s name, place

February 1, 2021 EX-99.02

BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY

EX-99.02 3 baclpoa.htm EX-99.02 EXHIBIT 99.2 BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the “Corporation”), does hereby make, constitute, and appoint Michael Jentis as an attorney-in-fact for the Corporation acting for the Corporation and in the Corporation’s name, place and stead, for the Corporation’s use and benefit, to bind the Co

February 1, 2021 EX-99.01

JOINT FILING AGREEMENT

EX-99.01 2 jfa.htm EX-99.01 EXHIBIT 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regula

February 1, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 03)* PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Name of Issuer) Auction Rate Preferred (Title of Class of Se

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 03)* PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Name of Issuer) Auction Rate Preferred (Title of Class of Securities) 72201B (CUSIP Number) January 28, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

December 30, 2020 CORRESP

****

CORRESP 1900 K Street, NW Washington, DC 20006-1110 +1 202 261 3300 Main +1 202 261 3333 Fax www.

December 21, 2020 NPORT-EX

Lending Rate

Schedule of Investments PIMCO Corporate & Income Opportunity Fund October 31, 2020 (Unaudited) (AMOUNTS IN THOUSANDS*, EXCEPT NUMBER OF SHARES, CONTRACTS AND UNITS, IF ANY) PRINCIPAL AMOUNT (000s) MARKET VALUE (000s) INVESTMENTS IN SECURITIES 169.

November 24, 2020 424B5

CALCULATION OF REGISTRATION FEE UNDER THE SECURITIES ACT OF 1933 Title of Securities Being Registered Proposed Maximum Aggregate Offering Price(1) Amount of Registration Fee(2) Common Shares, par value $0.00001 $600,000,000 $65,460

Table of Contents CALCULATION OF REGISTRATION FEE UNDER THE SECURITIES ACT OF 1933 Title of Securities Being Registered Proposed Maximum Aggregate Offering Price(1) Amount of Registration Fee(2) Common Shares, par value $0.

June 25, 2020 NPORT-EX

Lending Rate

Schedule of Investments PIMCO Corporate & Income Opportunity Fund April 30, 2020 (Unaudited) (AMOUNTS IN THOUSANDS*, EXCEPT NUMBER OF SHARES, CONTRACTS AND UNITS, IF ANY) PRINCIPAL AMOUNT (000s) MARKET VALUE (000s) INVESTMENTS IN SECURITIES 147.

April 13, 2020 DEFA14A

PCM / PCM Fund, Inc. DEFA14A - - DEFA14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 18, 2020 DEF 14A

PCM / PCM Fund, Inc. DEF 14A - - DEF 14A

DEF 14A SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

December 17, 2019 NPORT-EX

October 31, 2019

Schedule of Investments PIMCO Corporate & Income Opportunity Fund October 31, 2019 (Unaudited) (AMOUNTS IN THOUSANDS*, EXCEPT NUMBER OF SHARES, CONTRACTS AND UNITS, IF ANY) PRINCIPAL AMOUNT (000s) MARKET VALUE (000s) INVESTMENTS IN SECURITIES 139.

November 27, 2019 EX-99.R.2

Code of Ethics of Pacific Investment Management Company LLC.(12)

EX-99.r.2 PIMCO’s Code of Ethics (“Code”) contains the rules that govern your conduct and personal trading. These rules are summarized below. Please see the Code for more details (Capitalized terms are defined in the Appendix). YOU HAVE THE FOLLOWING FUNDAMENTAL RESPONSIBILITIES: • You have a duty to place the interests of Clients first • You must avoid any actual or potential conflict of interest

November 27, 2019 486BPOS

Post-Effective Amendment No. 2 to the Registrant’s Registration Statement on Form N-2, Registration Nos. 333-231165 and 811- 21238

486BPOS Table of Contents As filed with the Securities and Exchange Commission on November 27, 2019 1933 Act File No.

November 27, 2019 EX-99.A.5

Notice of Change of Trustee dated January 16, 2019.(12)

EX-99.a.5 PIMCO CORPORATE & INCOME OPPORTUNITY FUND NOTICE OF CHANGE OF TRUSTEES WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts; WHEREAS, Craig A. Dawson resigned as a Trustee of the Trust, effective January 1, 2019; and WHEREAS, the Board nominated and appointed Sarah E. Cogan as a Trustee of the Trust,

November 27, 2019 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form N-2 of our report dated September 20, 2019, relating to the financial statements and financial highlights, which appears in PIMCO Corporate & Income Opportunity Fund’s Annual Report on Form N-CSR for the year ended July 31, 2019. We also consen

September 23, 2019 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including a

September 23, 2019 EX-1.1

SCHEDULE I EXECUTIVE OFFICERS AND DIRECTORS OF REPORTING PERSONS

Page 1 of 6 SCHEDULE I EXECUTIVE OFFICERS AND DIRECTORS OF REPORTING PERSONS The following sets forth the name and present principal occupation of each executive officer and director of Bank of America Corporation.

September 23, 2019 SC 13D/A

PTY / PIMCO Corporate & Income Opportunity Fund / BANK OF AMERICA CORP /DE/ - NONE Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 02 )* PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Name of Issuer) Auction Rate Preferred (Title of Class of Securities) 72201B (CUSIP Number) Bank of America Corporation Bank of America Corporate Center Charlotte, North Carolina 28255 (Name, Address and Telep

September 23, 2019 EX-1.2

Schedule II

Schedule II New York Attorney General Investor Protection Bureau Masking Settlement 3/22/2018 On March 22, 2018, the Attorney General of the State of New York Investor Protection Bureau (“NYAG”) alleged that Bank of America Corporation (“BAC”) and Merrill Lynch, Pierce, Fenner & Smith Incorporated (“MLPF&S”) (1) concealed from its institutional clients that orders were routed to and executed by “electronic liquidity providers,” (2) misstated the composition of orders and trades in its dark pool, and (3) did not accurately describe its use of a proprietary “venue ranking” analysis, in violation of the Martin Act and Executive Law § 63(12).

September 23, 2019 EX-99.2

BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY

Exhibit 99.2 BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the "Corporation"), does hereby make, constitute, and appoint each of Kim Louise Oakley Heslop, Kelvin Kwok, Ronnie Ojera, Ally Pecarro, and Tolu Tade as an attorney-in-fact for the Corporation acting for the Corporation and in the Corporation's name, place and stead, for the Cor

July 26, 2019 EX-99.(A)(5)(II)

July 26, 2019

EX-99.(a)(5)(ii) July 26, 2019 For information on the Tender Offers: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 597-1054 PIMCO CORPORATE & INCOME OPPORTUNITY FUND, PIMCO CORPORATE & INCOME STRATEGY FUND, PIMCO INCOME STRATEGY FUND, PIMCO INCOME STRATEGY FUND II AND PIMCO HIGH INCOME FUND ANNOUNCE FINAL RESULTS OF TENDER OFFERS FOR

July 26, 2019 SC TO-I/A

PTY / PIMCO Corporate & Income Opportunity Fund SC TO-I/A - - SC TO-I/A

SC TO-I/A 1 d779269dsctoia.htm SC TO-I/A As filed with the Securities and Exchange Commission on July 26, 2019 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act Of 1934 Amendment No. 1 PIMCO Corporate & Income Opportunity Fund (Name of Subject Company (Issuer)) PIMCO Corporate & Income Oppo

July 12, 2019 POS EX

Post-Effective Amendment No. 1 to the Registrant’s Registration Statement on Form N-2, Registration Nos. 333-231165 and 811- 21238

POS EX As filed with the Securities and Exchange Commission on July 12, 2019 1933 Act File No.

July 12, 2019 EX-99.H

Capital on Demand ™ Sales Agreement between Registrant and JonesTrading Institutional Services LLC.(11)

EX-99.h PIMCO CORPORATE & INCOME OPPORTUNITY FUND COMMON SHARES CAPITAL ON DEMAND™ AMENDED AND RESTATED SALES AGREEMENT July 3, 2019 JONESTRADING INSTITUTIONAL SERVICES LLC 757 Third Avenue, 23rd Floor New York, NY 10017 Ladies and Gentlemen: PIMCO Corporate & Income Opportunity Fund, an unincorporated voluntary association with transferable shares organized and existing under and by virtue of the

July 2, 2019 CORRESP

PTY / PIMCO Corporate & Income Opportunity Fund CORRESP - -

CORRESP PIMCO CORPORATE & INCOME OPPORTUNITY FUND 1633 Broadway New York, NY 10019 July 2, 2019 VIA EDGAR Anu Dubey Division of Investment Management U.

June 28, 2019 CORRESP

PTY / PIMCO Corporate & Income Opportunity Fund CORRESP - -

CORRESP 1 filename1.htm 1900 K Street, NW Washington, DC 20006-1110 +1 202 261 3300 Main +1 202 261 3333 Fax www.dechert.com ADAM T. TEUFEL [email protected] +1 202 261 3464 Direct +1 202 261 3164 Fax June 28, 2019 VIA EDGAR Anu Dubey Division of Investment Management U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: PIMCO Corporate & Income Opportunity Fu

June 26, 2019 NPORT-EX

PTY / PIMCO Corporate & Income Opportunity Fund NPORT-EX - - PIMCO CORPORATE & INCOME OPPORTUNITY FUND

NPORT-EX 1 corpincomeoppfund.htm PIMCO CORPORATE & INCOME OPPORTUNITY FUND Schedule of Investments PIMCO Corporate & Income Opportunity Fund April 30, 2019 (Unaudited) (AMOUNTS IN THOUSANDS*, EXCEPT NUMBER OF SHARES, CONTRACTS AND UNITS, IF ANY) PRINCIPAL AMOUNT (000s) MARKET VALUE (000s) INVESTMENTS IN SECURITIES 136.3% ¤ LOAN PARTICIPATIONS AND ASSIGNMENTS 9.1% Advanz Pharma Corp. 7.984% (LIBOR0

June 25, 2019 EX-99.(A)(1)(V)

Offer by Each of PIMCO Corporate & Income Opportunity Fund (“PTY”) PIMCO Corporate & Income Strategy Fund (“PCN”) PIMCO Income Strategy Fund (“PFL”) PIMCO Income Strategy Fund II (“PFN”) PIMCO High Income Fund (“PHK”) (each, a “Fund” and, collectivel

EX-99.(a)(1)(v) Offer by Each of PIMCO Corporate & Income Opportunity Fund (“PTY”) PIMCO Corporate & Income Strategy Fund (“PCN”) PIMCO Income Strategy Fund (“PFL”) PIMCO Income Strategy Fund II (“PFN”) PIMCO High Income Fund (“PHK”) (each, a “Fund” and, collectively, the “Funds”) to Purchase for Cash Up To 100% of Its Outstanding Auction-Rate Preferred Shares (PIMCO Corporate & Income Opportunity

June 25, 2019 EX-99.(D)(I)

TENDER OFFER AGREEMENT

EX-99.(d)(i) TENDER OFFER AGREEMENT This Agreement (“Agreement”) is made and entered into as of the 13th day of June, 2019, by and among PIMCO Corporate & Income Opportunity Fund (“PTY”), PIMCO Corporate & Income Strategy Fund (“PCN”), PIMCO Income Strategy Fund (“PFL”), PIMCO Income Strategy Fund II (“PFN”) and PIMCO High Income Fund (“PHK” and, together with PTY, PCN, PFL and PFN each, a “Fund”

June 25, 2019 EX-99.(A)(1)(II)

LETTER OF TRANSMITTAL To Tender Preferred Shares (Designated Auction-Rate Preferred Shares Series M, Series T, Series W, Series Th and Series F) PIMCO Corporate & Income Opportunity Fund Pursuant to the Offer to Purchase Dated June 25, 2019

EX-99.(a)(1)(ii) LETTER OF TRANSMITTAL To Tender Preferred Shares (Designated Auction-Rate Preferred Shares Series M, Series T, Series W, Series Th and Series F) of PIMCO Corporate & Income Opportunity Fund Pursuant to the Offer to Purchase Dated June 25, 2019 THE OFFER AND WITHDRAWAL RIGHTS EXPIRE AT 5:00 P.M., NEW YORK CITY TIME, ON JULY 25, 2019, UNLESS THE OFFER IS EXTENDED. The Tender Agent f

June 25, 2019 EX-99.(A)(1)(I)

Offer by Each of PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II (each, a “Fund” and, collectively, the “Funds”) To Purchase for Cash Up

EX-99.(a)(1)(i) Offer by Each of PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO High Income Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II (each, a “Fund” and, collectively, the “Funds”) To Purchase for Cash Up to 100% of Its Outstanding Preferred Shares (PIMCO Corporate & Income Opportunity Fund: Auction-Rate Preferred Shares Series M, Series

June 25, 2019 EX-99.(A)(1)(VI)

Instructions for Withdrawal Previously Tendered Auction-Rate Preferred Shares PIMCO Corporate & Income Opportunity Fund, PIMCO Corporate & Income Strategy Fund, PIMCO Income Strategy Fund, PIMCO Income Strategy Fund II or PIMCO High Income Fund (each

EX-99.(a)(1)(vi) Instructions for Withdrawal of Previously Tendered Auction-Rate Preferred Shares of PIMCO Corporate & Income Opportunity Fund, PIMCO Corporate & Income Strategy Fund, PIMCO Income Strategy Fund, PIMCO Income Strategy Fund II or PIMCO High Income Fund (each, a “Fund” and, collectively, the “Funds”) If you tendered to any of the Funds, each a Massachusetts business trust registered

June 25, 2019 EX-99.(A)(1)(IV)

Offer by Each of PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO High Income Fund (each, a “Fund” and, collectively the “Funds”) to Purchase for Cash Up T

EX-99.(a)(1)(iv) Offer by Each of PIMCO Corporate & Income Opportunity Fund PIMCO Corporate & Income Strategy Fund PIMCO Income Strategy Fund PIMCO Income Strategy Fund II PIMCO High Income Fund (each, a “Fund” and, collectively the “Funds”) to Purchase for Cash Up To 100% of Its Outstanding Auction-Rate Preferred Shares (PIMCO Corporate & Income Opportunity Fund: Auction-Rate Preferred Shares Ser

June 25, 2019 EX-99.(A)(1)(III)

NOTICE OF GUARANTEED DELIVERY To Tender Auction-Rate Preferred Shares PIMCO Corporate & Income Strategy Fund, PIMCO Corporate & Income Opportunity Fund, PIMCO High Income Fund, PIMCO Income Strategy Fund, or PIMCO Income Strategy Fund II (each, a “Fu

NOTICE OF GUARANTEED DELIVERY To Tender Auction-Rate Preferred Shares Of PIMCO Corporate & Income Strategy Fund, PIMCO Corporate & Income Opportunity Fund, PIMCO High Income Fund, PIMCO Income Strategy Fund, or PIMCO Income Strategy Fund II (each, a “Fund” and, collectively, the “Funds”) Pursuant to the Offer to Purchase Dated June 25, 2019 This form, or a form substantially equivalent to this form, must be used to accept the Offer (as defined in the Letter of Transmittal), upon the terms and subject to the conditions set forth in the Offer Documents (as defined below), if the preferred shares of beneficial interest, par value $0.

June 25, 2019 SC TO-I

PTY / PIMCO Corporate & Income Opportunity Fund SC TO-I - - SC TO-I

SC TO-I As filed with the Securities and Exchange Commission on June 25, 2019 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

June 25, 2019 EX-99.(D)(II)

TENDER OFFER AGREEMENT

EX-99.(d)(ii) TENDER OFFER AGREEMENT This Agreement (“Agreement”) is made and entered into as of the 14th day of June, 2019, by and among PIMCO Corporate & Income Opportunity Fund (“PTY”), PIMCO Corporate & Income Strategy Fund (“PCN”), PIMCO Income Strategy Fund (“PFL”), PIMCO Income Strategy Fund II (“PFN”) and PIMCO High Income Fund (“PHK” and, together with PTY, PCN, PFL and PFN each, a “Fund”

June 18, 2019 SC TO-C

PTY / PIMCO Corporate & Income Opportunity Fund SC TO-C - - FORM SC TO-C

FORM SC TO-C As filed with the Securities and Exchange Commission on June 18, 2019 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

June 18, 2019 EX-99.1

June 17, 2019

PRESS RELEASE June 17, 2019 For information on the Tender Offers: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 597-1054 PIMCO CORPORATE & INCOME OPPORTUNITY FUND, PIMCO CORPORATE & INCOME STRATEGY FUND, PIMCO INCOME STRATEGY FUND, PIMCO INCOME STRATEGY FUND II AND PIMCO HIGH INCOME FUND ANNOUNCE INTENTION TO CONDUCT TENDER OFFERS FO

June 14, 2019 CORRESP

PTY / PIMCO Corporate & Income Opportunity Fund CORRESP - -

CORRESP 1 filename1.htm 1900 K Street, NW Washington, DC 20006-1110 +1 202 261 3300 Main +1 202 261 3333 Fax www.dechert.com ADAM T. TEUFEL [email protected] +1 202 261 3464 Direct +1 202 261 3164 Fax June 14, 2019 VIA EDGAR Anu Dubey Division of Investment Management U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: PIMCO Corporate & Income Opportunity Fu

March 8, 2019 DEF 14A

PCM / PCM Fund, Inc. DEF 14A

DEF 14A SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

December 21, 2018 N-Q

PTY / PIMCO Corporate & Income Opportunity Fund PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act File Number: 811-21238 Registrant Name: PIMCO Corporate & Income Opportunity Fund Address of Principal Executive Offices: 1633 Broadway New York, NY 10019 Name and Address of Agent for Service: Trent W. Walker 6

December 21, 2018 EX-99.CERT

Certification Under Rule 30a-2(a)

Certifications Exhibit 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

November 29, 2018 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form N-2 of our report dated September 26, 2018, relating to the financial statements and financial highlights, which appears in PIMCO Corporate & Income Opportunity Fund’s Annual Report on Form N-CSR for the year ended July 31, 2018. We also consen

November 29, 2018 486BPOS

PTY / PIMCO Corporate & Income Opportunity Fund 486BPOS

486BPOS Table of Contents As filed with the Securities and Exchange Commission on November 29, 2018 1933 Act File No.

June 26, 2018 N-Q

PTY / PIMCO Corporate & Income Opportunity Fund PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act File Number: 811-21238 Registrant Name: PIMCO Corporate & Income Opportunity Fund Address of Principal Executive Offices: 1633 Broadway New York, NY 10019 Name and Address of Agent for Service: Trent W. Walker 6

June 26, 2018 EX-99.CERT

Certification Under Rule 30a-2(a)

Certifications Exhibit 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

June 11, 2018 CORRESP

PTY / PIMCO Corporate & Income Opportunity Fund CORRESP

CORRESP PIMCO CORPORATE & INCOME OPPORTUNITY FUND 1633 Broadway New York, NY 10019 June 11, 2018 Division of Investment Management Securities and Exchange Commission 100 F Street N.

June 8, 2018 POS 8C

PTY / PIMCO Corporate & Income Opportunity Fund PIMCO CORPORATE & INCOME OPPORTUNITY FUND

PIMCO CORPORATE & INCOME OPPORTUNITY FUND Table of Contents As filed with the Securities and Exchange Commission on June 8, 2018 1933 Act File No.

June 8, 2018 EX-99.(N)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Consent of PricewaterhouseCoopers LLP, the Registrant's independent registered CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form N-2 of our report dated September 27, 2017, relating to the financial statements and financial highlights, which appears in PIMCO Corporate & Income Opportunity Fund’s Annual Report on Form N-CSR for the year ended July 31, 2017.

June 8, 2018 CORRESP

PTY / PIMCO Corporate & Income Opportunity Fund CORRESP

PIMCO Corporate & Income Opportunity Fund ROPES & GRAY LLP 2099 PENNSYLVANIA AVE., NW WASHINGTON, DC 20006-6807 WWW.ROPESGRAY.COM June 8, 2018 Nathan Briggs T: 202-626-3909 [email protected] VIA EDGAR Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Attn: Ms. Anu Dubey Re: PIMCO Corporate & Income Opportunity Fund File Nos. 333-21

May 14, 2018 EX-99.(S)(3)

POWER OF ATTORNEY

Power of Attorney for Trent W. Walker POWER OF ATTORNEY I, the undersigned Treasurer and Principal Financial and Accounting Officer of the registered investment companies listed on Schedule A attached hereto (each, a “Fund”), hereby severally constitute and appoint each of Ryan G. Leshaw, Joshua D. Ratner and David C. Sullivan, and each of them singly, with full powers of substitution, my true and

May 14, 2018 EX-99.(R)(1)

Code of Ethics PIMCO Funds PIMCO Variable Insurance Trust PIMCO ETF Trust PIMCO Equity Series PIMCO Equity Series VIT PIMCO Managed Accounts Trust PIMCO Sponsored Closed-End Funds PIMCO Sponsored Interval Funds

EX-99.(R)(1) 3 d584291dex99r1.htm CODE OF ETHICS OF REGISTRANT Code of Ethics PIMCO Funds PIMCO Variable Insurance Trust PIMCO ETF Trust PIMCO Equity Series PIMCO Equity Series VIT PIMCO Managed Accounts Trust PIMCO Sponsored Closed-End Funds PIMCO Sponsored Interval Funds Pacific Investment Management Company LLC (“PIMCO”), the investment adviser and administrator or investment manager to PIMCO F

May 14, 2018 EX-99.(R)(2)

PIMCO’s Code of Ethics sets out standards of conduct to help you avoid potential conflicts of interest that may arise from your actions and your personal securities transactions.

Code of Ethics of Pacific Investment Management Company LLC Policy PIMCO’s Code of Ethics sets out standards of conduct to help you avoid potential conflicts of interest that may arise from your actions and your personal securities transactions.

May 14, 2018 EX-99.(S)(1)

POWER OF ATTORNEY

Power of Attorney for Deborah A. DeCotis, Bradford K. Gallagher POWER OF ATTORNEY We, the undersigned Trustees/Directors of the registered investment companies listed on Schedule A attached hereto (each, a “Fund”), hereby severally constitute and appoint each of Ryan G. Leshaw, Joshua D. Ratner and David C. Sullivan, and each of them singly, with full powers of substitution, our true and lawful at

May 14, 2018 EX-99.(R)(3)

Code of Ethics Pursuant to Section 406 of the Sarbanes-Oxley Act of 2002 for Principal Executive and Senior Financial Officers PIMCO Funds PIMCO Variable Insurance Trust (“PVIT”) PIMCO ETF Trust (“ETF”) PIMCO Equity Series (“PES”) PIMCO Equity Series

Code of Ethics Pursuant to Section 406 of the Sarbanes-Oxley Act of 2002 Code of Ethics Pursuant to Section 406 of the Sarbanes-Oxley Act of 2002 for Principal Executive and Senior Financial Officers PIMCO Funds PIMCO Variable Insurance Trust (“PVIT”) PIMCO ETF Trust (“ETF”) PIMCO Equity Series (“PES”) PIMCO Equity Series VIT (“PESVIT”) PIMCO Managed Accounts Trust PIMCO Sponsored Closed-End Funds PIMCO Sponsored Interval Funds1 I.

May 14, 2018 POS 8C

Post-Effective Amendment No. 3 to the Registrant’s Registration Statement on Form N-2, Registration Nos. 333-215581 and 811- 21238

PIMCO CORPORATE & INCOME OPPORTUNITY FUND Table of Contents As filed with the Securities and Exchange Commission on May 11, 2018 1933 Act File No.

May 14, 2018 COVER

ROPES & GRAY LLP

ROPES & GRAY LLP 2099 PENNSYLVANIA AVENUE, N.W. WASHINGTON, DC 20006-6807 WWW.ROPESGRAY.COM May 11, 2018 Nathan Briggs (202) 626-3909 [email protected] Securities and Exchange Commission Division of Investment Management 100 F Street NE Washington, DC 20549-0505 Re: PIMCO Corporate & Income Opportunity Fund (the ?Fund?) (File Nos. 333-215581, 811-21238) Ladies and Gentlemen: We are filin

May 14, 2018 EX-99.(N)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Consent of PricewaterhouseCoopers LLP, the Registrant's independent registered CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form N-2 of our report dated September 27, 2017, relating to the financial statements and financial highlights, which appears in PIMCO Corporate & Income Opportunity Fund’s Annual Report on Form N-CSR for the year ended July 31, 2017.

May 14, 2018 EX-99.(S)(2)

POWER OF ATTORNEY

Power of Attorney for Peter G. Strelow POWER OF ATTORNEY I, the undersigned President and Principal Executive Officer of the registered investment companies listed on Schedule A attached hereto (each, a “Fund”), hereby severally constitute and appoint each of Ryan G. Leshaw, Joshua D. Ratner and David C. Sullivan, and each of them singly, with full powers of substitution, my true and lawful attorn

May 11, 2018 CORRESP

PTY / PIMCO Corporate & Income Opportunity Fund CORRESP

PIMCO Corporate & Income Opportunity Fund ROPES & GRAY LLP 2099 PENNSYLVANIA AVE., NW WASHINGTON, DC 20006-6807 WWW.ROPESGRAY.COM May 11, 2018 Nathan Briggs T: 202-626-3909 [email protected] VIA EDGAR Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Attn: Ms. Anu Dubey Re: PIMCO Corporate & Income Opportunity Fund File Nos. 333-21

March 9, 2018 DEF 14A

PCM / PCM Fund, Inc. NOTICE & PROXY

Notice & Proxy SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 27, 2018 CORRESP

PTY / PIMCO Corporate & Income Opportunity Fund CORRESP

CORRESP ROPES & GRAY LLP 2099 PENNSYLVANIA AVE., NW WASHINGTON, DC 20006-6807 WWW.ROPESGRAY.COM February 27, 2018 Nathan Briggs T: 202-626-3909 F: 202-383-9308 [email protected] VIA EDGAR Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Attn: Mr. Kenneth Ellington Re: PIMCO Managed Accounts Trust (“PMAT”) (File Nos. 333-92415 and

December 29, 2017 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act File Number: 811-21238 Registrant Name: PIMCO Corporate & Inc

PIMCO Corporate & Income Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

December 29, 2017 EX-99.CERT

Certification Under Rule 30a-2(a)

Certifications Exhibit 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

October 27, 2017 POS 8C

As filed with the Securities and Exchange Commission on October 27, 2017

PIMCO CORPORATE & INCOME OPPORTUNITY FUND Table of Contents As filed with the Securities and Exchange Commission on October 27, 2017 1933 Act File No.

October 27, 2017 EX-99.(N)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form N-2 of our report dated September 27, 2017, relating to the financial statements and financial highlights, which appears in PIMCO Corporate & Income Opportunity Fund’s Annual Report on Form N-CSR for the year ended July 31, 2017.

October 27, 2017 COVER

ROPES & GRAY LLP

ROPES & GRAY LLP 2099 PENNSYLVANIA AVENUE, N.W. WASHINGTON, DC 20006-6807 WWW.ROPESGRAY.COM October 27, 2017 Nathan Briggs (202) 626-3909 [email protected] Securities and Exchange Commission Division of Investment Management 100 F Street NE Washington, DC 20549-0505 Re: PIMCO Corporate & Income Opportunity Fund (the ?Fund?) (File Nos. 333-215581, 811-21238) Ladies and Gentlemen: We are f

October 27, 2017 EX-99.(R)(1)

Code of Ethics PIMCO Funds PIMCO Variable Insurance Trust PIMCO ETF Trust PIMCO Equity Series PIMCO Equity Series VIT PIMCO Managed Accounts Trust PIMCO Sponsored Closed-End Funds PIMCO Sponsored Interval Funds

Code of Ethics of Registrant Code of Ethics PIMCO Funds PIMCO Variable Insurance Trust PIMCO ETF Trust PIMCO Equity Series PIMCO Equity Series VIT PIMCO Managed Accounts Trust PIMCO Sponsored Closed-End Funds PIMCO Sponsored Interval Funds Pacific Investment Management Company LLC (“PIMCO”), the investment adviser and administrator or investment manager to PIMCO Funds, PIMCO Variable Insurance Trust, PIMCO ETF Trust, PIMCO Equity Series, PIMCO Equity Series VIT, PIMCO Managed Accounts Trust, the PIMCO Sponsored Closed-End Funds, and the PIMCO Sponsored Interval Funds (each a “Fund”, and collectively the “Funds”), has adopted a Code of Ethics that applies to any officer, director, or employee of PIMCO.

October 27, 2017 EX-99.(R)(2)

PIMCO?s Code of Ethics (?Code?) contains the rules that govern your conduct and personal trading. These rules are summarized below. Please see the Code* for more details.

PIMCO?s Code of Ethics (?Code?) contains the rules that govern your conduct and personal trading.

June 27, 2017 N-Q

Pimco Corporate & Income Opportunity Fund - PIMCO CORPORATE & INCOME OPPORTUNITY FUND

PIMCO Corporate & Income Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 27, 2017 EX-99.CERT

Certification Under Rule 30a-2(a)

Certifications Exhibit 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

March 27, 2017 EX-99.(H)

PIMCO CORPORATE & INCOME OPPORTUNITY FUND UP TO 14,500,000 COMMON SHARES CAPITAL ON DEMAND? SALES AGREEMENT

Capital on Demand Sales Agreement between Registrant and JonesTrading Inst PIMCO CORPORATE & INCOME OPPORTUNITY FUND UP TO 14,500,000 COMMON SHARES CAPITAL ON DEMAND? SALES AGREEMENT March 23, 2017 JONESTRADING INSTITUTIONAL SERVICES LLC 757 Third Avenue, 23rd Floor New York, NY 10017 Ladies and Gentlemen: PIMCO Corporate & Income Opportunity Fund, an unincorporated voluntary association with tran

March 27, 2017 POS EX

Post-Effective Amendment No. 1 to the Registrant’s Registration Statement on Form N-2, Registration Nos. 333-215581 and 811- 21238

PIMCO CORPORATE & INCOME OPPORTUNITY FUND As filed with the Securities and Exchange Commission on March 27, 2017 1933 Act File No.

March 22, 2017 CORRESP

PIMCO Corporate & Income Opportunity Fund ESP

CORRESP - Shelf Offering Acceleration Request PIMCO CORPORATE & INCOME OPPORTUNITY FUND 1633 Broadway New York, NY 10019 March 22, 2017 Division of Investment Management Securities and Exchange Commission 100 F Street N.

March 21, 2017 CORRESP

PIMCO Corporate & Income Opportunity Fund ESP

CORRESP - Shelf Offering Acceleration Request PIMCO CORPORATE & INCOME OPPORTUNITY FUND 1633 Broadway New York, NY 10019 March 21, 2017 Division of Investment Management Securities and Exchange Commission 100 F Street N.

March 14, 2017 CORRESP

PIMCO Corporate & Income Opportunity Fund ESP

ROPES & GRAY LLP 2099 PENNSYLVANIA AVE., NW WASHINGTON, DC 20006-6807 WWW.ROPESGRAY.COM March 14, 2017 Nathan Briggs T: 202-626-3909 F: 202-383-9308 [email protected] VIA EDGAR Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Attn: Ms. Anu Dubey Re: PIMCO Corporate & Income Opportunity Fund File Nos. 333-215518 and 811-21238 Dear

March 10, 2017 DEF 14A

PCM Fund NOTICE & PROXY

Notice & Proxy SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

December 27, 2016 N-Q

PIMCO Corporate & Income Opportunity Fund PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act File Number: 811-21238 Registrant Name: PIMCO Corporate & Income Opportunity Fund Address of Principal Executive Offices: 1633 Broadway New York, NY 10019 Name and Address of Agent for Service: William G. Galipe

December 27, 2016 EX-99.CERT

Certification Under Rule 30a-2(a)

Certifications Exhibit 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

June 28, 2016 N-Q

PIMCO Corporate & Income Opportunity Fund PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act File Number: 811-21238 Registrant Name: PIMCO Corporate & Income Opportunity Fund Address of Principal Executive Offices: 1633 Broadway New York, NY 10019 Name and Address of Agent for Service: William G. Galipe

June 28, 2016 EX-99.CERT

Certification Under Rule 30a-2(a)

Certifications Exhibit 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

April 4, 2016 DEFA14A

Pimco Corporate & Income Opportunity Fund DEFA14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 11, 2016 DEF 14A

Pimco Corporate & Income Opportunity Fund PCM/PTY/PCN/PKO/PCI PROXY

DEF 14A 1 d49203ddef14a.htm PCM/PTY/PCN/PKO/PCI PROXY SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

December 28, 2015 EX-99.CERT

Certification Under Rule 30a-2(a)

Certifications Exhibit 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

December 28, 2015 N-Q

PIMCO Corporate & Income Opportunity Fund PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Quarterly Schedule of Portfolio Holdings)

PIMCO Corporate & Income Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

September 11, 2015 CORRESP

-2-

Correspondence ROPES & GRAY LLP ONE METRO CENTER 700 12TH STREET, NW, SUITE 900 WASHINGTON, DC 20005-3948 WWW.

June 12, 2015 EX-24.1

EX-24.1

rrd383519434306.html SECTION 16 POWER OF ATTORNEY Jason Jordan Nagler The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the unde

June 12, 2015 EX-24.1

EX-24.1

rrd383481434283.html SECTION 16 POWER OF ATTORNEY Vadim Avdeychik The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersig

June 10, 2015 SC 13G/A

PTY / PIMCO Corporate & Income Opportunity Fund / UBS Group AG - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* PIMCO Corporate & Income Opportunity Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72201B200 72201B309 72201B408 72201B507 72201B606 (CUSIP Number) May 29, 2015 (Date of Event which Requires Filing of this Statemen

April 27, 2015 EX-99.CERT

Certification Under Rule 30a-2(a)

Certifications Exhibit 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

April 27, 2015 N-Q

PIMCO Corporate & Income Opportunity Fund PIMCO CORPORATE & INCOME OPPORTUNITY FUND (Quarterly Schedule of Portfolio Holdings)

PIMCO Corporate & Income Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 24, 2015 SC 13G/A

PTY / PIMCO Corporate & Income Opportunity Fund / Brigade Leveraged Capital Structures Fund Ltd. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

March 12, 2015 EX-99.2

LIMITED POWER OF ATTORNEY

LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the "Corporation"), does hereby irrevocably make, constitute, and appoint each of Sun Kyung Bae, Szabina Biro, Christopher Johnston and Eugene Rosati as an attorney-in-fact for the Corporation acting for the Corporation and in the Corporation's name, place and stead, for the Corporation's use and benefit, to bind the Corporation by their execution of those agreements, forms and documents related specifically to Section 13 and Section 16 of the Securities Exchange Act of 1934, and other large shareholder and short position regulatory reporting requirements in other jurisdictions.

March 12, 2015 SC 13D/A

PTY / PIMCO Corporate & Income Opportunity Fund / BANK OF AMERICA CORP /DE/ - NONE Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 01 )* PIMCO Corporate Opportunity Fund (Name of Issuer) Auction Rate Preferred (Title of Class of Securities) 72201B (CUSIP Number) BANK OF AMERICA CORPORATION BANK OF AMERICA CORPORATE CENTER CHARLOTTE, North Carolina 28255 (Name, Address and Telephone Numb

March 12, 2015 EX-1

Joint Filing Agreement

EXHIBIT 99.1 Joint Filing Agreement The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such amended Schedule 13D and any subsequent amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the comp

March 12, 2015 EX-99.3

SCHEDULE I EXECUTIVE OFFICERS AND DIRECTORS OF REPORTING PERSONS

Exhibit 99.3 SCHEDULE I EXECUTIVE OFFICERS AND DIRECTORS OF REPORTING PERSONS The following sets forth the name and present principal occupation of each executive officer and director of Bank of America Corporation. The business address of each of the executive officers and directors of Bank of America Corporation is Bank of America Corporate Center, 100 North Tryon Street, Charlotte, North Caroli

March 12, 2015 EX-99.4

Schedule II

Exhibit 99.4 Schedule II BOAMS Injunctive Action 11/25/2014 On November 25, 2014, the U.S. District Court for the Western District of North Carolina issued a Final Judgment as to Merrill Lynch, Pierce, Fenner & Smith Incorporated (“MLPF&S”) and other entities, including Bank of America, National Association (“BANA”) (collectively the “Entities”) (the “ SEC Final Judgment”) in the civil injunctive

March 2, 2015 DEF 14A

PCM / PCM Fund, Inc. DEF 14A - - PCM/PTY/PCN/PKO PROXY

PCM/PTY/PCN/PKO Proxy SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 2, 2015 EX-99.(A)(5)(II)

February 27, 2015

Press Release issued on February 27, 2015 February 27, 2015 For information on the Tender Offer: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 739-4212 PIMCO CORPORATE & INCOME OPPORTUNITY FUND ANNOUNCES FINAL RESULTS OF TENDER OFFER FOR AUCTION RATE PREFERRED SHARES NEW YORK, NY, February 27, 2015 – PIMCO Corporate & Income Opportun

March 2, 2015 SC TO-I/A

PTY / PIMCO Corporate & Income Opportunity Fund SC TO-I/A - - PIMCO CORPORATE & INCOME OPPORTUNITY FUND

SC TO-I/A 1 d882153dsctoia.htm PIMCO CORPORATE & INCOME OPPORTUNITY FUND As filed with the Securities and Exchange Commission on February 27, 2015 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Under Section 14(D)(1) or 13(E)(1) of the Securities Exchange Act Of 1934 Amendment No. 1 PIMCO Corporate & Income Opportunity Fund (Name of Subject Company (Is

January 16, 2015 EX-99.(D)(I)

TENDER OFFER AND STANDSTILL AGREEMENT

Tender Offer and Standstill Agreement, dated January 13, 2015 TENDER OFFER AND STANDSTILL AGREEMENT This Agreement (“Agreement”) is made and entered into as of the 13th day of January, 2015, by and among PIMCO Corporate & Income Opportunity Fund (“PTY” or the “Fund”), Pacific Investment Management Company LLC (“PIMCO”), Allianz Global Investors Fund Management LLC (“AGIFM” and, together with PTY and PIMCO, the “Fund Parties”) and Brigade Capital Management, LP (“Brigade Capital”), Brigade Leveraged Capital Structures Fund Ltd.

January 16, 2015 EX-99.(A)(1)(IV)

Offer by PIMCO Corporate & Income Opportunity Fund (the “Fund”) to Purchase for Cash Up To 100% of Its Outstanding Preferred Shares (PIMCO Corporate & Income Opportunity Fund; Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and

Form of Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees Offer by PIMCO Corporate & Income Opportunity Fund (the “Fund”) to Purchase for Cash Up To 100% of Its Outstanding Preferred Shares (PIMCO Corporate & Income Opportunity Fund; Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and Series F) January 16, 2015 To Brokers, Dealers, Commercial Ba

January 16, 2015 EX-99.(A)(1)(I)

Offer by PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) To Purchase Up to 100% of Its Outstanding Preferred Shares (PIMCO Corporate & Income Opportunity Fund; Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and Series F)

Offer to Purchase dated January 16, 2015 Offer by PIMCO CORPORATE & INCOME OPPORTUNITY FUND (the “Fund”) To Purchase Up to 100% of Its Outstanding Preferred Shares (PIMCO Corporate & Income Opportunity Fund; Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and Series F) THE FUND’S OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.

January 16, 2015 EX-99.(A)(5)(I)

January 16, 2015

Press Release issued on January 16, 2015 January 16, 2015 For information on the Tender Offer: Financial Advisors: (800) 628-1237 Shareholders: (844) 337-4626 or (844) 33-PIMCO PIMCO Media Relations: (212) 739-4212 PTY ANNOUNCES TENDER OFFER FOR AUCTION RATE PREFERRED SHARES AND PTY, PCN, PFL AND PFN ANNOUNCE CHANGES TO INVESTMENT POLICIES NEW YORK, NY, January 16, 2015 – PIMCO Corporate & Income

January 16, 2015 EX-99.(A)(1)(V)

Offer by PIMCO Corporate & Income Opportunity Fund (the “Fund”) to Purchase for Cash Up To 100% of Its Outstanding Preferred Shares (PIMCO Corporate & Income Opportunity Fund; Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and

Form of Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees Offer by PIMCO Corporate & Income Opportunity Fund (the “Fund”) to Purchase for Cash Up To 100% of Its Outstanding Preferred Shares (PIMCO Corporate & Income Opportunity Fund; Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and Series F) January 16, 2015 To Our Clients: Enclosed for your consideration is the offer to purchase dated January 16, 2015 (the “Offer to Purchase”) in connection with an offer by the Fund, a Massachusetts business trust registered under the Investment Company Act of 1940, as amended to purchase for cash up to 100% of its outstanding preferred shares of beneficial interest, $0.

January 16, 2015 SC TO-I

PTY / PIMCO Corporate & Income Opportunity Fund SC TO-I - - PIMCO CORPORATE & INCOME OPPORTUNITY FUND

SC TO-I 1 d851663dsctoi.htm PIMCO CORPORATE & INCOME OPPORTUNITY FUND As filed with the Securities and Exchange Commission on January 16, 2015 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO Tender Offer Statement Under Section 14(D)(1) or 13(E)(1) of the Securities Exchange Act Of 1934 PIMCO Corporate & Income Opportunity Fund (Name of Subject Company (Issuer)) PIMCO Corpora

January 16, 2015 EX-99.(A)(1)(III)

NOTICE OF GUARANTEED DELIVERY To Tender Preferred Shares PIMCO Corporate & Income Opportunity Fund (the “Fund”) Pursuant to the Offer to Purchase Dated January 16, 2015

Form of Notice of Guaranteed Delivery NOTICE OF GUARANTEED DELIVERY To Tender Preferred Shares Of PIMCO Corporate & Income Opportunity Fund (the “Fund”) Pursuant to the Offer to Purchase Dated January 16, 2015 This form, or a form substantially equivalent to this form, must be used to accept the Offer (as defined in the Letter of Transmittal), upon the terms and subject to the conditions set forth in the Offer Documents (as defined below), if the preferred shares of beneficial interest, par value $0.

January 16, 2015 EX-99.(A)(1)(II)

LETTER OF TRANSMITTAL To Tender Preferred Shares (Designated Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and Series F) PIMCO Corporate & Income Opportunity Fund Pursuant to the Offer to Purchase Dated January 16, 2015

Form of Letter of Transmittal LETTER OF TRANSMITTAL To Tender Preferred Shares (Designated Auction-Rate Preferred Shares Series M, Series T, Series W, Series TH and Series F) of PIMCO Corporate & Income Opportunity Fund Pursuant to the Offer to Purchase Dated January 16, 2015 THE OFFER AND WITHDRAWAL RIGHTS EXPIRE AT 5:00 P.

January 16, 2015 EX-99.(A)(1)(VI)

Instructions for Withdrawal Previously Tendered Preferred Shares PIMCO Corporate & Income Opportunity Fund (the “Fund”)

Form of Notice of Withdrawal Instructions for Withdrawal of Previously Tendered Preferred Shares of PIMCO Corporate & Income Opportunity Fund (the “Fund”) If you tendered to the Fund, a Massachusetts business trust registered under the Investment Company Act of 1940, in connection with the offer by the Fund to purchase for cash up to 100% of its outstanding preferred shares of beneficial interest, par value $0.

December 2, 2014 SC 13G/A

PTY / PIMCO Corporate & Income Opportunity Fund / UBS Group AG - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5) * PIMCO Corporate & Income Opportunity Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72201B200 72201B309 72201B408 72201B507 72201B606 (CUSIP Number) November 28, 2014** (Date of Event which Requires Filing of this

October 28, 2014 EX-99.CERT

Certification Under Rule 30a-2(a)

Certification 99.CERT Certification Under Rule 30a-2(a) CERTIFICATION I, Peter G. Strelow, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under whi

October 28, 2014 N-Q

Pimco Corporate & Income Opportunity Fund - PIMCO CORPORATE & INCOME OPPORTUNITY FUND

PIMCO Corporate & Income Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 3, 2014 DEFA14A

PTY / PIMCO Corporate & Income Opportunity Fund DEFA14A - - PIMCO CLOSED END FUNDS

DEFA14A 1 d753908ddefa14a.htm PIMCO CLOSED END FUNDS SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of t

June 25, 2014 DEFA14A

- PIMCO CLOSED END FUNDS

PIMCO Closed End Funds SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

June 17, 2014 DEFA14A

- PIMCO CLOSED-END FUNDS

PIMCO Closed-End Funds SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

June 9, 2014 DEFA14A

- PIMCO CLOSED END FUND

PIMCO Closed End Fund SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

June 4, 2014 DEFA14A

- PIMCO CLOSED END FUND

PIMCO Closed End Fund IMPORTANT NOTICE REGARDING YOUR INVESTMENT PIMCO SPONSORED CLOSED-END FUNDS June 3, 2014 Dear Investor: The Board of your PIMCO Sponsored Closed-End Fund (the “Fund”) has sent you detailed information regarding the upcoming Special Meeting of Shareholders on June 9th to ask for your vote on an important proposal affecting your Fund.

May 13, 2014 DEFA14A

- PIMCO CLOSED END FUND

PIMCO Closed End Fund SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 21, 2014 DEFA14A

- ADDITIONAL INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A

Additional Information Required in Proxy Statement Schedule 14A SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 21, 2014 DEF 14A

- PIMCO CLOSED END PROXY

PIMCO Closed End Proxy SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 16, 2014 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Julian Sluyters, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not m

April 16, 2014 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate & Income Opportunity Fund (Exact name of registrant as specified in charter) 1633 Broadway, New York, New York 10019 (Address of principal executive offices) (Zip code) Lawr

March 20, 2014 PRE 14A

- PIMCO CLOSED END PROXY

PIMCO Closed End Proxy SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 28, 2014 DEF 14A

- PIMCO PROXY STATEMENT

PIMCO Proxy Statement SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

October 22, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate & Income Opportunity Fund (Exact name of registrant as specified in charter) 1633 Broadway, New York, NY 10019 (Address of principal executive offices) (Zip code) Lawrence G

October 22, 2013 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

April 23, 2013 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

April 23, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate & Income Opportunity Fund (Exact name of registrant as specified in charter) 1633 Broadway, New York, New York 10019 (Address of principal executive offices) (Zip code) Lawr

February 28, 2013 DEF 14A

- PCM FUND, INC

PCM Fund, Inc SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 1, 2013 SC 13G/A

PTY / PIMCO Corporate & Income Opportunity Fund / UBS AG - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Information to be included in Statements filed pursuant to Rules 13d-1(b), (c) and (d) and amendments thereto filed pursuant to Rule 13d-2(b) (Amendment No. 4) PIMCO Corporate Opportunity Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72201B200 72201B309 72201B408 72201B507 7

October 22, 2012 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

October 22, 2012 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate & Income Opportunity Fund (Exact name of registrant as specified in charter) 1633 Broadway, New York, New York 10019 (Address of principal executive offices) (Zip code) Lawr

October 19, 2012 CORRESP

-

PIMCO Municipal Income Fund October 19, 2012 Nathan D. Briggs T: 1 202 626 3909 F: 1 202 383 9308 [email protected] VIA EDGAR Securities and Exchange Commission Division of Investment Management 100 F Street, N.E. Washington, DC 20549 Attn: Laura Hatch Re: PIMCO Municipal Income Fund (File No. 811-10377); PIMCO California Municipal Income Fund (File No. 811-10379); PIMCO New York Municip

April 23, 2012 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate & Income Opportunity Fund (Exact name of registrant as specified in charter) 1633 Broadway, New York, New York 10019 (Address of principal executive offices) (Zip code) Lawr

April 23, 2012 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate & Income Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

March 6, 2012 DEF 14A

- PIMCO JOINT PROXY STATEMENT

PIMCO Joint Proxy Statement SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

January 24, 2012 SC 13G/A

PTY / PIMCO Corporate & Income Opportunity Fund / UBS AG - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* PIMCO Corporate Opportunity Fund (Name of issuer) Auction Preferred Stock (Title of class of securities) 72201B200 72201B309 72201B408 72201B507 72201B606 (CUSIP number(s)) December 31, 2011 (Date of event which requires filing of this statement

October 20, 2011 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleadi

October 20, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response........5.6 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response........5.6 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate Opportunity Fund (Exact name of registrant as specified in

June 30, 2011 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

April 18, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response........5.6 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response........5.6 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate Opportunity Fund (Exact name of registrant as specified in

April 18, 2011 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report on Form N-Q of PIMCO Corporate Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleadi

February 25, 2011 DEF 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

January 14, 2011 EX-24.

EX-24.

rrd266720301058.html POWER OF ATTORNEY TAMARA J. ARNOLD The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersigned's name

January 14, 2011 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* PIMCO Corporate Opportunity Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities)

sc13gza UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* PIMCO Corporate Opportunity Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72201B200 72201B309 72201B408 72201B507 72201B606 (CUSIP Number(s)) December 31, 2010 (Date of Event Which Requires Filing of this Statement)

January 11, 2011 EX-99.1

Joint Filing Agreement

Exhibit 99.1 EXHIBIT 99.1 Joint Filing Agreement The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completene

January 11, 2011 EX-99.2

LIMITED POWER OF ATTORNEY

EXHIBIT 99.2 LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the ?Corporation?), does hereby irrevocably make, constitute, and appoint each of Michael Didovic and Geoff Rusnak as an attorney-in-fact for the Corporation acting for the Corporation and in the Corporation?s name, place and stead, for the Corporation?s use and benefit, to bind the Corporation by his execu

January 11, 2011 SC 13D

SCHEDULE 13D CUSIP No. 72201B Page 1 of 30 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 PIMCO Corporate Opportunity Fund (Name of issuer) AUCTION RATE PREFERRED (Title of class of se

SCHEDULE 13D CUSIP No. 72201B Page 1 of 30 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 PIMCO Corporate Opportunity Fund (Name of issuer) AUCTION RATE PREFERRED (Title of class of securities) 72201B (CUSIP number) David Lavan, Esq. O?Melveny & Myers LLP 1625 Eye Street, NW Washington, DC 20006 (202) 383-5191 (Name, address and tel

January 4, 2011 EX-24.

EX-24.

rrd265120299256.html POWER OF ATTORNEY JOHN MARK MILLER The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersigned's name

January 4, 2011 EX-24.

EX-24.

rrd265166299316.html POWER OF ATTORNEY WENDY CUPPS The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersigned's name and

October 22, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response........5.6 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response........5.6 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate Opportunity Fund (Exact name of registrant as specified in

October 22, 2010 EX-99.CERT

CERTIFICATIONS

Exhibit 99.CERT CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report Form N-Q of PIMCO Corporate Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

May 21, 2010 EX-24.1

EX-24.1

rrd247793279621.html POWER OF ATTORNEY WILLIAM H. GROSS The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersigned's name

May 21, 2010 EX-24.1

EX-24.1

rrd247868279710.html POWER OF ATTORNEY WILLIAM H. GROSS The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersigned's name

April 15, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2010 Estimated average burden hours per response........10.5 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2010 Estimated average burden hours per response........10.5 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate Opportunity Fund (Exact name of registrant as specified in

April 15, 2010 EX-99.CERT

CERTIFICATIONS

Exhibit 99.CERT CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report Form N-Q of PIMCO Corporate Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

February 26, 2010 DEF 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

def14a SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 17, 2010 PRE 14A

SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

pre14a SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 8, 2010 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* PIMCO Corporate Opportunity Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities)

sc13gza UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* PIMCO Corporate Opportunity Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72201B200 72201B309 72201B408 72201B507 72201B606 (CUSIP Number) December 31, 2009 (Date of Event Which Requires Filing of this Statement) Ch

January 25, 2010 EX-24.

EX-24.

rrd236076266680.html EXHIBIT 24 POWER OF ATTORNEY DOUGLAS M. HODGE The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersi

January 4, 2010 EX-24.

EX-24.

rrd233149263564.html EXHIBIT 24 POWER OF ATTORNEY DANIEL J. IVASCYN The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the unders

January 4, 2010 EX-24.

EX-24.

rrd233114263587.html EXHIBIT 24 POWER OF ATTORNEY JONATHAN D. SHORT The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the unders

October 16, 2009 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report Form N-Q of PIMCO Corporate Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading

October 16, 2009 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2010 Estimated average burden hours per response........10.5 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2010 Estimated average burden hours per response........10.5 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate Opportunity Fund (Exact name of registrant as specified in

April 23, 2009 EX-99.CERT

CERTIFICATIONS

Exhibit 99.302 Cert. CERTIFICATIONS I, Brian S. Shlissel, certify that: 1. I have reviewed this report Form N-Q of PIMCO Corporate Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading

April 23, 2009 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2010 Estimated average burden hours per response........10.5 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2010 Estimated average burden hours per response........10.5 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21238 PIMCO Corporate Opportunity Fund (Exact name of registrant as specified in

March 11, 2009 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 10, 2009 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* PIMCO Corporate Opportunity Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities)

OMB APPROVAL OMB Number: 3235-0145 Expires: February 28, 2009 Estimated average burden hours per response.

January 23, 2009 EX-24.1

EX-24.1

rrd206020233692.html SECTION 16 POWER OF ATTORNEY DIANA L. TAYLOR The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersig

January 21, 2009 EX-24.1

EX-24.1

rrd205985233525.html SECTION 16 POWER OF ATTORNEY BRUCE KOEPFGEN The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersign

January 21, 2009 EX-24.1

EX-24.1

rrd206258233393.html SECTION 16 POWER OF ATTORNEY John Maney The undersigned hereby constitutes and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, the undersigned's true and lawful attorney in fact to: 1. as may be required, prepare, execute in the undersigned's

Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista