PHT / Pioneer High Income Fund, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Pioneer High Income Fund, Inc.
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LEI GRH7C46DLKO4V5KVBT29
CIK 1166258
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 Pioneer High Income Fund, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 19, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ]Preliminary Proxy Statement [ ]Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [ ]Definitive Prox

August 7, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ]Preliminary Proxy Statement [ ]Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [ ]Definitive Prox

August 7, 2025 DEFA14A

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [ ] Definitive P

July 9, 2025 DEFA14A

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [ ] Definitive P

June 10, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 20, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defi

May 9, 2025 EX-99.1

PIONEER FLOATING RATE FUND, INC. AMENDED AND RESTATED BYLAWS ARTICLE I

EX-99.1 PIONEER FLOATING RATE FUND, INC. AMENDED AND RESTATED BYLAWS ARTICLE I OFFICES Section 1. PRINCIPAL OFFICE. The principal office of the Corporation in the State of Maryland shall be located at such place as the Board of Directors may designate. Section 2. ADDITIONAL OFFICES. The Corporation may have additional offices, including a principal executive office, at such places as the Board of

May 9, 2025 8-K

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

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 PIONEER FLOATING RATE FUND, INC. (Registrant) PIONEER DIVERSIFIED HIGH INCOME FUND, INC. PIONEER HIGH INCOME FUND, INC. PIONEER MUNICIPAL HIGH INCOME FUND, INC. PIONEE

May 8, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 PIONEER FLOATING RATE FUND, INC. (Registrant) PIONEER DIVERSIFIED HIGH INCOME FUND, INC. PIONEER HIGH INCOME FUND, INC. PIONEER MUNICIPAL HIGH INCOME FUND, INC. PIONEER MU

April 2, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 1, 2025 PIONEER FLOATING RATE FUND, INC. (Registrant) PIONEER DIVERSIFIED HIGH INCOME FUND, INC. PIONEER HIGH INCOME FUND, INC. PIONEER MUNICIPAL HIGH INCOME FUND, INC. PIONEER

March 26, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

March 25, 2025 EX-99.1

Pioneer Diversified High Income Fund, Inc. (HNW) Pioneer Floating Rate Fund, Inc. (PHD) Pioneer High Income Fund, Inc. (PHT) (each a “Fund” and together, the “Funds”) PIONEER CLOSED-END FUNDS ANNOUNCE POSTPONEMENT OF MARCH 26, 2025 SPECIAL MEETING OF

Exhibit 99.1 Pioneer Diversified High Income Fund, Inc. (HNW) Pioneer Floating Rate Fund, Inc. (PHD) Pioneer High Income Fund, Inc. (PHT) (each a “Fund” and together, the “Funds”) PIONEER CLOSED-END FUNDS ANNOUNCE POSTPONEMENT OF MARCH 26, 2025 SPECIAL MEETING OF STOCKHOLDERS BOSTON, MA – (BUSINESS WIRE) – March 25, 2025. Each of the Funds listed above announced today that the Special Meeting of S

March 25, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 25, 2025 PIONEER FLOATING RATE FUND, INC. (Registrant) PIONEER DIVERSIFIED HIGH INCOME FUND, INC. PIONEER HIGH INCOME FUND, INC. (Co-Registrants) (Exact name of registrant as sp

February 24, 2025 DFAN14A

RULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

RULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant       ☐ Filed by a Party other than the Registrant      ☑ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Under Rule 14a-12 Pioneer High Income Fund (Name of Registrant as Specified In Its Charter) Saba Capital Management, L.

February 11, 2025 DEFC14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [   ] Preliminary Proxy Statement [   ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [X] Definiti

February 10, 2025 DEFC14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ¨ Filed by a Party other than the Registrant þ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Under Rule 14a-12 Pioneer High Income Fund, Inc.

February 10, 2025 CORRESP

Morgan, Lewis & Bockius LLP One Federal Street Boston, MA 02110 February 10, 2025

Morgan, Lewis & Bockius LLP One Federal Street Boston, MA 02110 February 10, 2025 VIA EDGAR Securities and Exchange Commission Division of Investment Management 100 F Street, NE Washington, D.

February 3, 2025 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [X] Preliminary Proxy Statement [   ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [   ]   Defini

January 31, 2025 PREC14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ¨ Filed by a Party other than the Registrant þ Check the appropriate box: þ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy Statement ¨ Definitive Additional Materials ¨ Soliciting Material Under Rule 14a-12 Pioneer High Income Fund, Inc.

January 29, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [X] Preliminary Proxy Statement [   ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [   ]   Defini

August 21, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [   ] Check the appropriate box: [   ] Preliminary Proxy Statement [   ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [X]    Def

July 19, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 19, 2024 PIONEER FLOATING RATE FUND, INC. (Registrant) PIONEER DIVERSIFIED HIGH INCOME FUND, INC. PIONEER HIGH INCOME FUND, INC. PIONEER MUNICIPAL HIGH INCOME FUND, INC. PIONEER

July 19, 2024 EX-99.1

AMUNDI US ANNOUNCES PROPOSED TRANSACTION RELATING TO PIONEER CLOSED-END FUNDS

Exhibit 99.1 AMUNDI US ANNOUNCES PROPOSED TRANSACTION RELATING TO PIONEER CLOSED-END FUNDS FOR IMMEDIATE RELEASE July 19, 2024 Boston, Massachusetts— Amundi US today announced a proposed transaction affecting the following Pioneer closed-end funds: • Pioneer Diversified High Income Fund, Inc. (NYSEAMER: HNW) • Pioneer Floating Rate Fund, Inc. (NYSE: PHD) • Pioneer High Income Fund, Inc. (NYSE: PHT

March 12, 2024 NPORT-EX

Level 1 – unadjusted quoted prices in active markets for identical securities. Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). Level 3 – significan

Pioneer High Income Fund, Inc. Schedule of Investments | June 30, 2023 Ticker Symbol: PHT Schedule of Investments | 6/30/23 (unaudited) Principal Amount USD ($) Value UNAFFILIATED ISSUERS — 146.6% Senior Secured Floating Rate Loan Interests — 3.8% of Net Assets*(a) Auto Parts & Equipment — 0.6% 1,393,447 First Brands Group LLC, First Lien 2021 Term Loan, 10.252% (Term SOFR + 500 bps), 3/30/27 $  1

March 12, 2024 NPORT-EX

Level 1 – unadjusted quoted prices in active markets for identical securities. Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). Level 3 – significan

Pioneer High Income Fund, Inc. Schedule of Investments | December 31, 2022 Ticker Symbol: PHT Schedule of Investments | 12/31/22 (unaudited) Principal Amount USD ($) Value UNAFFILIATED ISSUERS — 146.0% Senior Secured Floating Rate Loan Interests — 4.0% of Net Assets*(a) Auto Parts & Equipment — 0.6% 1,400,575 First Brands Group LLC, First Lien 2021 Term Loan, 8.368% (Term SOFR + 500 bps), 3/30/27

July 26, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant | | Check the appropriate box: | | Preliminary Proxy Statement | | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |X|

February 24, 2023 NPORT-EX

Level 1 – unadjusted quoted prices in active markets for identical securities. Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). Level 3 – significan

Pioneer High Income Fund, Inc. Schedule of Investments | December 31, 2022 Ticker Symbol: PHT Schedule of Investments | 12/31/22 (unaudited) Principal Amount USD ($) Value UNAFFILIATED ISSUERS — 146.0% Senior Secured Floating Rate Loan Interests — 4.0% of Net Assets*(a) Auto Parts & Equipment — 0.6% 1,400,575 First Brands Group LLC, First Lien 2021 Term Loan, 8.368% (Term SOFR + 500 bps), 3/30/27

August 23, 2022 NPORT-EX

Level 1 – unadjusted quoted prices in active markets for identical securities. Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). Level 3 – significan

NPORT-EX 2 AAPI040AMU063022.htm Pioneer High Income Fund, Inc. Schedule of Investments | June 30, 2022 Ticker Symbol: PHT Schedule of Investments | 6/30/22 (unaudited) Principal Amount USD ($) Value UNAFFILIATED ISSUERS — 147.7% Senior Secured Floating Rate Loan Interests — 2.4% of Net Assets*(a) Airlines — 0.2% 580,000 LATAM Airlines Group SA, Tranche A Facility, 8.234% (Term SOFR + 750 bps), 8/8

July 18, 2022 NPORT-EX

Level 1 – unadjusted quoted prices in active markets for identical securities. Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). Level 3 – significan

Pioneer High Income Fund, Inc. Schedule of Investments | December 31, 2021 Ticker Symbol: PHT Schedule of Investments | 12/31/21 (unaudited) Principal Amount USD ($) Value UNAFFILIATED ISSUERS — 143.7% Senior Secured Floating Rate Loan Interests — 1.9% of Net Assets*(a) Airlines — 0.6% 1,140,000 Grupo Aeromexico, SAB de CV, DIP Tranche 1 Term Loan, 9.00% (LIBOR + 800 bps), 3/31/22 $  1,148,550 523

February 25, 2022 NPORT-EX

Level 1 – unadjusted quoted prices in active markets for identical securities. Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). Level 3 – significan

Pioneer High Income Fund, Inc. Schedule of Investments | December 31, 2021 Ticker Symbol: PHT Schedule of Investments | 12/31/21 (unaudited) Principal Amount USD ($) Value UNAFFILIATED ISSUERS — 143.7% Senior Secured Floating Rate Loan Interests — 1.9% of Net Assets*(a) Airlines — 0.6% 1,140,000 Grupo Aeromexico, SAB de CV, DIP Tranche 1 Term Loan, 9.00% (LIBOR + 800 bps), 3/31/22 $  1,148,550 523

January 18, 2022 POS EX

As filed with the Securities and Exchange Commission on January 14, 2022

POS EX 1 d125550dposex.htm PIONEER HIGH INCOME FUND, INC. As filed with the Securities and Exchange Commission on January 14, 2022 1933 Act File No. 333-258554 1940 Act File No. 811-21043 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-2 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ☒ Pre-Effective Amendment No. ☐ Post-Effective Amendment No. 1 ☒ and/or REG

January 18, 2022 EX-99.(H)(2)

Sub-Placement Agent Agreement (4)

SUB-PLACEMENT AGENT AGREEMENT Amundi Distributor US, Inc. 60 State Street Boston, Massachusetts 02101 January 14, 2022 UBS Securities LLC 1285 Avenue of the Americas New York, New York 10019 RE: At-the-Market Offerings by Pioneer High Income Fund, Inc. Ladies and Gentlemen: From time to time Amundi Distributor US, Inc. (the ?Distributor,? ?we? or ?us?) will act as manager of registered at-the-mark

January 18, 2022 EX-99.(J)

Custodian Agreement (4)

CUSTODY AGREEMENT By and Between THE BANK OF NEW YORK MELLON And EACH INVESTMENT COMPANY LISTED ON APPENDIX I BNY MELLON AND CUSTOMER CONFIDENTIAL TABLE OF CONTENTS 1.

January 18, 2022 424B5

Pioneer High Income Fund, Inc. Up to $55,000,000 Shares of Common Stock

Filed Pursuant to Rule 424(b)(5) Registration Statement No. 333-258554 PROSPECTUS SUPPLEMENT (to Base Prospectus dated November 19, 2021) Pioneer High Income Fund, Inc. Up to $55,000,000 Shares of Common Stock The Fund. Pioneer High Income Fund, Inc. (the ?Fund?) is a diversified, closed-end management investment company. Investment Objectives. The Fund?s investment objective is a high level of cu

January 18, 2022 EX-99.(H)(1)

Distribution Agreement (4)

DISTRIBUTION AGREEMENT PIONEER HIGH INCOME FUND, INC. 60 State Street Boston, Massachusetts 02109 September 22, 2021 Amundi Distributor US, Inc. 60 State Street Boston, Massachusetts 02109 Re: Distribution Agreement Relating to At-the-Market Offerings Ladies and Gentlemen: Pioneer High Income Fund, Inc. is a Maryland corporation operating as a closed-end management investment company (hereinafter

August 27, 2021 NPORT-EX

Level 1

Pioneer High Income Fund, Inc. Schedule of Investments | June 30, 2021 Ticker Symbol: PHT Schedule of Investments | June 30, 2021 Shares Value UNAFFILIATED ISSUERS - 141.0% COMMON STOCKS - 1.3% of Net Assets Energy Equipment & Services - 0.9% 89,191(a) FTS International, Inc. $2,523,213 Total Energy Equipment & Services $2,523,213 Oil, Gas & Consumable Fuels - 0.4% 21(a) Amplify Energy Corp. $ 85

April 21, 2021 EX-99.(12)

visit us: www.amundipioneer.com/us

EX-99.(12) 2 d141647dex9912.htm PREDECESSOR REGISTRANT'S SEMI-ANNUAL REPORT FOR THE PERIOD ENDED SEPT 30, 2020 Pioneer High Income Trust Semiannual Report | September 30, 2020 Ticker Symbol: PHT Beginning in or after March 2021, as permitted by regulations adopted by the Securities and Exchange Commission, paper copies of the Trust’s shareholder reports like this one will no longer be sent by mail

April 21, 2021 EX-99.2

PIONEER HIGH INCOME FUND, INC. ARTICLE I

PIONEER HIGH INCOME FUND, INC. BYLAWS ARTICLE I OFFICES Section 1. PRINCIPAL OFFICE. The principal office of the Corporation in the State of Maryland shall be located at such place as the Board of Directors may designate. Section 2. ADDITIONAL OFFICES. The Corporation may have additional offices, including a principal executive office, at such places as the Board of Directors may from time to time

April 21, 2021 EX-2.1

Merger Agreements

AGREEMENT AND PLAN OF MERGER THIS AGREEMENT AND PLAN OF MERGER (this ?Agreement?) is made as of this 21st day of April, 2021, between Pioneer Floating Rate Trust, a Delaware statutory trust (the ?Acquired Fund?), and Pioneer Floating Rate Fund, Inc.

April 21, 2021 8-A12B/A

- PIONEER HIGH INCOME TRUST

8-A12B/A 1 d240538d8a12ba.htm PIONEER HIGH INCOME TRUST UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-A/A Amendment No. 1 to Form 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 PIONEER HIGH INCOME FUND, INC. (Exact Name of Registrant as Specified in its Charter) Maryland 02-0563892 (Stat

April 21, 2021 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2021 PIONEER FLOATING RATE TRUST (Registrant) PIONEER DIVERSIFIED HIGH INCOME TRUST PIONEER MUNICIPAL HIGH INCOME TRUST PIONEER MUNICIPAL HIGH INCOME ADVANTAGE TRUST PIONEER

April 21, 2021 EX-99.1

PIONEER HIGH INCOME FUND, INC. ARTICLES OF INCORPORATION ARTICLE I

Articles of Incorporation PIONEER HIGH INCOME FUND, INC. ARTICLES OF INCORPORATION ARTICLE I INCORPORATOR The undersigned, Hirsh Ament, whose address is c/o Venable LLP, 750 E. Pratt Street, Suite 900, Baltimore, MD 21202, being at least 18 years of age, does hereby form a corporation under the general laws of the State of Maryland. ARTICLE II NAME The name of the corporation (the “Corporation”) i

April 21, 2021 EX-3.1

Articles of Incorporation of each Maryland corporation

EX-3.1 3 d253331dex31.htm EX-3.1 PIONEER FLOATING RATE FUND, INC. ARTICLES OF INCORPORATION ARTICLE I INCORPORATOR The undersigned, Hirsh Ament, whose address is c/o Venable LLP, 750 E. Pratt Street, Suite 900, Baltimore, MD 21202, being at least 18 years of age, does hereby form a corporation under the general laws of the State of Maryland. ARTICLE II NAME The name of the corporation (the “Corpor

April 21, 2021 EX-3.2

Bylaws of each Maryland corporation

PIONEER FLOATING RATE FUND, INC. BYLAWS ARTICLE I OFFICES Section 1. PRINCIPAL OFFICE. The principal office of the Corporation in the State of Maryland shall be located at such place as the Board of Directors may designate. Section 2. ADDITIONAL OFFICES. The Corporation may have additional offices, including a principal executive office, at such places as the Board of Directors may from time to ti

April 21, 2021 N-8A/A

the Fund’s description of Common Shares on Form 8-A/A, filed on April 21, 2021.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-8A/A AMENDMENT TO AND ADOPTION OF NOTIFICATION OF REGISTRATION FILED PURSUANT TO SECTION 8(a) OF THE INVESTMENT COMPANY ACT OF 1940 The undersigned investment company, a Maryland corporation (the ?Registrant?), hereby notifies the U.S. Securities and Exchange Commission that it is adopting as its own the registration of

April 7, 2021 EX-99.1

PIONEER US CLOSED-END FUNDS TO REDOMICILE TO MARYLAND

Press Release dated April 7, 2021 PIONEER US CLOSED-END FUNDS TO REDOMICILE TO MARYLAND FOR IMMEDIATE RELEASE April 7, 2021 Boston, Massachusetts — The Board of each of Pioneer Diversified High Income Trust (NYSE American: HNW), Pioneer Floating Rate Trust (NYSE: PHD), Pioneer High Income Trust (NYSE: PHT), Pioneer Municipal High Income Advantage Trust (NYSE: MAV) and Pioneer Municipal High Income Trust (NYSE: MHI) (each, a “Fund”) announced today that it has voted to redomicile the Fund from a Delaware statutory trust to a Maryland corporation (in each case, the “redomiciling”).

April 7, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 7, 2021 PIONEER FLOATING RATE TRUST (Registrant) PIONEER DIVERSIFIED HIGH INCOME TRUST PIONEER MUNICIPAL HIGH INCOME TRUST PIONEER MUNICIPAL HIGH INCOME ADVANTAGE TRUST PIONEER

February 26, 2021 NPORT-EX

Strike Price

Pioneer High Income Trust Schedule of Investments | December 31, 2020 Ticker Symbol: PHT Schedule of Investments | 12/31/20 (unaudited) Shares Value UNAFFILIATED ISSUERS - 139.

November 25, 2020 EX-99.1(A)

PIONEER HIGH INCOME TRUST AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST

Amended and Restated Agreement and Declaration of Trust PIONEER HIGH INCOME TRUST AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST This AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST is made as of this 24th day of November, 2020 by the Trustees hereunder; WHEREAS, PIONEER HIGH INCOME TRUST was established pursuant to an Agreement and Declaration of Trust dated as of January 30, 200

November 25, 2020 EX-99.1(B)

BY-LAWS PIONEER HIGH INCOME TRUST (As amended and restated as of November 24, 2020) ARTICLE I

Amended and Restated Bylaws BY-LAWS OF PIONEER HIGH INCOME TRUST (As amended and restated as of November 24, 2020) ARTICLE I DEFINITIONS All capitalized terms not defined herein have the respective meanings given them in the Agreement and Declaration of Trust of Pioneer High Income Trust dated January 30, 2002, as may be amended or restated from time to time (the “Declaration of Trust”).

November 25, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits - PIONEER HIGH INCOME TRUST

PIONEER HIGH INCOME TRUST UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

September 4, 2020 DEFA14A

the Fund’s Proxy Statement on Form DEF 14A, filed on September 4, 2020;

Pioneer Closed-End Funds UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 27, 2020 NPORT-EX

Level 1

Pioneer High Income Trust Schedule of Investments | June 30, 2020 Ticker Symbol: PHT Schedule of Investments | 6/30/20 (unaudited) Shares Value UNAFFILIATED ISSUERS - 140.

February 28, 2020 NPORT-EX

Level 1

Pioneer High Income Trust Schedule of Investments | December 31, 2019 Ticker Symbol: PHT Schedule of Investments | 12/31/19 (unaudited) Shares Value UNAFFILIATED ISSUERS - 140.

August 29, 2019 NPORT-EX

PHT / Pioneer High Income Trust NPORT-EX - - SOI

Pioneer High Income Trust Schedule of Investments | June 30, 2019 Ticker Symbol: PHT Shares Value UNAFFILIATED ISSUERS - 140.

March 1, 2019 EX-99.CERT

CERTIFICATIONS

EX-99.CERT 2 certifications.htm EX99.HTM CERTIFICATIONS I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 mi

March 1, 2019 N-Q

PHT / Pioneer High Income Trust NQ (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 811-21043 Pioneer High Income Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Terrence J. Cullen, Pionee

August 28, 2018 EX-99.CERT

CERTIFICATIONS

CERTIFICATIONS I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respect to the period cover

August 28, 2018 N-Q

XPHTX / Pioneer High Income Trust NQ (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 811-21043 Pioneer High Income Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Terrence J. Cullen, Pionee

May 30, 2018 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

Report of Independent Registered Public Accounting Firm To the Shareholders and Board of Trustees of Pioneer High Income Trust In planning and performing our audits of the financial statements of Pioneer High Income Trust (the "Trust") as of and for the year ended March 31, 2018, in accordance with the standards of the Public Company Accounting Oversight Board (United States), we considered the Tr

February 27, 2018 EX-99.CERT

CERTIFICATIONS

CERTIFICATIONS I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respect to the period cover

February 27, 2018 N-Q

XPHTX / Pioneer High Income Trust NQ (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 811-21043 Pioneer High Income Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Terrence J. Cullen, Pionee

November 29, 2017 EX-99.77K CHNG ACCNT

Prior to July 3, 2017 Pioneer Investment Management, Inc. (the "Adviser"), the Trust's investment adviser, was an indirect, wholly owned subsidiary of UniCredit S.p.A. ("UniCredit"). On that date, UniCredit completed the sale of its Pioneer Investmen

Prior to July 3, 2017 Pioneer Investment Management, Inc. (the "Adviser"), the Trust's investment adviser, was an indirect, wholly owned subsidiary of UniCredit S.p.A. ("UniCredit"). On that date, UniCredit completed the sale of its Pioneer Investments business, which includes the Adviser, to Amundi (the "Transaction"). As a result of the Transaction, the Adviser became an indirect, wholly-owned s

November 29, 2017 EX-99.77Q1 OTHR EXHB

Deloitte & Touche LLP

EX-99.77Q1 OTHR EXHB 3 ex9977q1.htm EX99.77Q1 Deloitte & Touche LLP 200 Berkeley Street Boston, MA 02116-5022 USA Tel: + 617 437 2000 www.deloitte.com November 28, 2017 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7561 Dear Sirs/Madams: We have read Item 77k of Form NSAR-A of the Pioneer Funds dated September 30, 2017 and have the following comments: 1. We agree wit

August 29, 2017 N-Q

Level 1

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 811-21043 Pioneer High Income Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Terrence J. Cullen, Pionee

August 29, 2017 EX-99

10:56 AM 8/29/2017 CERTIFICATIONS -------------- I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or

EX-99 2 phtcert.htm HIGH INCOME TRUST CERT 10:56 AM 8/29/2017 CERTIFICATIONS - I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 state

June 9, 2017 DEFA14A

Pioneer Diversified High Income Trust PIONEER FUNDS

PIONEER FUNDS SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement.

May 30, 2017 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.77B ACCT LTTR 2 ex77b.htm EX.77B REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Board of Trustees and Shareowners of Pioneer High Income Trust: In planning and performing our audit of the financial statements of Pioneer High Income Trust (the “Trust”), as of and for the year ended March 31, 2017, in accordance with the standards of the Public Company Accounting Oversight Boar

May 22, 2017 DEFA14A

Pioneer Municipal Income Trust PIONEER FUNDS

PIONEER FUNDS SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement.

April 26, 2017 DEFA14A

Pioneer Diversified High Income Trust PIONEER FUNDS

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement.

March 30, 2017 DEFA14A

Pioneer Diversified High Income Trust PIONEER FUNDS

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement.

March 30, 2017 DEFA14A

Pioneer Diversified High Income Trust PIONEER FUNDS

PIONEER FUNDS SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement.

March 30, 2017 DEFA14A

Pioneer Diversified High Income Trust PIONEER FUNDS

PIONEER FUNDS SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement.

March 28, 2017 DEF 14A

Pioneer Diversified High Income Trust PIONEER CLOSED END FUNDS

PIONEER CLOSED END FUNDS Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 17, 2017 CORRESP

MORGAN, LEWIS & BOCKIUS LLP ONE FEDERAL STREET BOSTON, MASSACHUSETTS 02110

MORGAN, LEWIS & BOCKIUS LLP ONE FEDERAL STREET BOSTON, MASSACHUSETTS 02110 March 17, 2017 VIA EDGAR Securities and Exchange Commission Division of Investment Management 100 F Street, NE Washington, D.

March 13, 2017 CORRESP

MORGAN, LEWIS & BOCKIUS LLP ONE FEDERAL STREET BOSTON, MASSACHUSETTS 02110 March 13, 2017

Pioneer Funds MORGAN, LEWIS & BOCKIUS LLP ONE FEDERAL STREET BOSTON, MASSACHUSETTS 02110 March 13, 2017 VIA EDGAR Securities and Exchange Commission Division of Investment Management 100 F Street, NE Washington, D.

February 28, 2017 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

PIONEER FUNDS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definiti

February 28, 2017 CORRESP

Morgan, Lewis & Bockius LLP One Federal Street Boston, MA 02110 February 28, 2017

SEC Cover Letter Morgan, Lewis & Bockius LLP One Federal Street Boston, MA 02110 February 28, 2017 VIA EDGAR Securities and Exchange Commission Division of Investment Management 100 F Street, NE Washington, D.

February 24, 2017 EX-99

10:56 AM 2/24/2017 CERTIFICATIONS -------------- I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or

10:56 AM 2/24/2017 CERTIFICATIONS - I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respec

February 24, 2017 N-Q

Level 1

N-Q 1 phtnq.htm HIGH INCOME TRUST SOI 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 811-21043 Pioneer High Income Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices)

August 26, 2016 N-Q

Pioneer High Income Trust HIGH INCOME TRUST SOI (Quarterly Schedule of Portfolio Holdings)

phtnq.htm 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 811-21043 Pioneer High Income Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Terrence J. Cull

August 26, 2016 EX-99

10:56 AM 8/26/2016 CERTIFICATIONS -------------- I, Lisa M. Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact o

phtcert.htm 10:56 AM 8/26/2016 CERTIFICATIONS - I, Lisa M. Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 mislead

August 26, 2016 N-Q

Pioneer High Income Trust HIGH INCOME TRUST SOI (Quarterly Schedule of Portfolio Holdings)

phtnq.htm 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 811-21043 Pioneer High Income Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Terrence J. Cull

August 26, 2016 EX-99

10:56 AM 8/26/2016 CERTIFICATIONS -------------- I, Lisa M. Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact o

phtcert.htm 10:56 AM 8/26/2016 CERTIFICATIONS - I, Lisa M. Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 mislead

May 27, 2016 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.77B ACCT LTTR 2 auditorsletter.htm AUDITORS LETTER REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Board of Trustees and Shareowners of Pioneer High Income Trust: In planning and performing our audit of the financial statements of Pioneer High Income Trust (the “Trust”), as of and for the year ended March 31, 2016, in accordance with the standards of the Public Company Account

February 26, 2016 N-Q

Pioneer High Income Trust HIGH INCOME TRUST SOI (Quarterly Schedule of Portfolio Holdings)

phtnq.htm OMB APPROVAL OMB Number: 3235-0578 Expires: January 31, 2016 Estimated average burden hours per response..... 10.5 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 811-21043 Pioneer High Income Trust (Exact name of registrant as specified

February 26, 2016 EX-99

10:56 AM 2/26/2016 CERTIFICATIONS -------------- I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or

10:56 AM 2/26/2016 CERTIFICATIONS - I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respec

August 27, 2015 EX-99

10:56 AM 8/27/2015 CERTIFICATIONS -------------- I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or

10:56 AM 8/27/2015 CERTIFICATIONS - I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respec

August 27, 2015 N-Q

Pioneer High Income Trust HIGH INCOME TRUST SOI (Quarterly Schedule of Portfolio Holdings)

OMB APPROVAL OMB Number: 3235-0578 Expires: January 31, 2016 Estimated average burden hours per response.

May 28, 2015 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

auditorsletter.htm REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Board of Trustees and Shareowners of Pioneer High Income Trust: In planning and performing our audit of the financial statements of Pioneer High Income Trust (the ?Trust?), as of and for the year ended March 31, 2015, in accordance with the standards of the Public Company Accounting Oversight Board (United States), w

February 27, 2015 N-Q

Pioneer High Income Trust - HIGH INCOME TRUST SOI

OMB APPROVAL OMB Number: 3235-0578 Expires: January 31, 2016 Estimated average burden hours per response.

February 27, 2015 EX-99

10:56 AM 2/27/2015 CERTIFICATIONS -------------- I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or o

10:56 AM 2/27/2015 CERTIFICATIONS - I, Lisa Jones, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respec

November 28, 2014 EX-99.77B ACCT LTTR

Attachment A

EX-99.77B ACCT LTTR 2 accountantletter.htm CHANGE IN ACCOUNTANT LETTER 77(K). CHANGE IN REGISTRANT’S CERTIFYING ACCOUNTANT LETTER The Board of Trustees of the Trust, with the approval and recommendation of the Audit Committee, appointed Deloitte & Touche LLP to serve as the Trust's independent registered public accounting firm for the fiscal year ending March 31, 2015. Deloitte & Touche LLP replac

August 28, 2014 N-Q

PHT / Pioneer High Income Trust N-Q - Quarterly Schedule of Portfolio Holdings - HIGH INCOME TRUST SOI

OMB APPROVAL OMB Number: 3235-0578 Expires: January 31, 2016 Estimated average burden hours per response.

August 28, 2014 EX-99

10:56 AM 8/28/2014CERTIFICATIONS -------------- I, Mark Goodwin, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact o

10:56 AM 8/28/2014CERTIFICATIONS - I, Mark Goodwin, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respe

May 30, 2014 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

EX-99.77B ACCT LTTR 2 auditorsletter.htm AUDITORS LETTER Report of Independent Registered Public Accounting Firm To the Board of and the Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust (the Company), as of and for the year ended March 31, 2014 in accordance with the standards of the Public Company Accounting Ove

March 20, 2014 EX-99.4

Schedule II

Schedule II MLPF&S CDO Settlement 12/12/2013 Pursuant to an Offer of Settlement made by Merrill Lynch, Fenner, Pierce & Smith Incorporated (MLPF&S”), on December 12, 2013 the SEC issued an order (“Order”) stating that MLPF&S violated the federal securities laws in connection with its structuring and marketing of a series of collateralized debt obligation transactions (“CDOs”) in 2006 and 2007.

March 20, 2014 EX-99.1

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 for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the informatio

March 20, 2014 EX-99.3

SCHEDULE I EXECUTIVE OFFICERS AND DIRECTORS OF REPORTING PERSONS

EX-99.3 4 misc3.htm MISCELLANEOUS EXHIBITS 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 S

March 20, 2014 SC 13D/A

PHT / Pioneer High Income Trust / BANK OF AMERICA CORP /DE/ - NONE Activist Investment

SC 13D/A 1 doc1.htm NONE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 03 )* PIONEER HIGH INCOME TRUST (Name of Issuer) Auction Rate Preferred (Title of Class of Securities) 72369H (CUSIP Number) Bank of America Corporation BANK OF AMERICA CORPORATE CENTER CHARLOTTE, North Carolina 28255 (Name, Address

March 20, 2014 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

March 18, 2014 SC 13D/A

PHT / Pioneer High Income Trust / 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 )* PIONEER HIGH INCOME TRUST (Name of Issuer) Auction Rate Preferred (Title of Class of Securities) 72369H (CUSIP Number) Bank of America Corporation BANK OF AMERICA CORPORATE CENTER CHARLOTTE, North Carolina 28255 (Name, Address and Telephone Number of P

March 18, 2014 EX-99.4

Schedule II

EX-99.4 5 misc4.htm MISCELLANEOUS EXHIBITS Schedule II MLPF&S CDO Settlement 12/12/2013 Pursuant to an Offer of Settlement made by Merrill Lynch, Fenner, Pierce & Smith Incorporated (MLPF&S”), on December 12, 2013 the SEC issued an order (“Order”) stating that MLPF&S violated the federal securities laws in connection with its structuring and marketing of a series of collateralized debt obligation

March 18, 2014 EX-99.2

LIMITED POWER OF ATTORNEY

EX-99.2 3 misc2.htm MISCELLANEOUS EXHIBITS 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 be

March 18, 2014 EX-99.3

SCHEDULE I EXECUTIVE OFFICERS AND DIRECTORS OF REPORTING PERSONS

EX-99.3 4 misc3.htm MISCELLANEOUS EXHIBITS 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 S

March 18, 2014 EX-99.1

Joint Filing Agreement

EX-99.1 2 misc1.htm MISCELLANEOUS EXHIBITS 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 for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the

March 14, 2014 EX-99.1

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 for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the informatio

March 14, 2014 EX-99.3

SCHEDULE I EXECUTIVE OFFICERS AND DIRECTORS OF REPORTING PERSONS

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.

March 14, 2014 EX-99.4

Schedule II

Schedule II MLPF&S CDO Settlement 12/12/2013 Pursuant to an Offer of Settlement made by Merrill Lynch, Fenner, Pierce & Smith Incorporated (MLPF&S”), on December 12, 2013 the SEC issued an order (“Order”) stating that MLPF&S violated the federal securities laws in connection with its structuring and marketing of a series of collateralized debt obligation transactions (“CDOs”) in 2006 and 2007.

March 14, 2014 SC 13D/A

PHT / Pioneer High Income Trust / BANK OF AMERICA CORP /DE/ - NONE Activist Investment

SC 13D/A 1 doc1.htm NONE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 01 )* Pioneer High Income Trust (Name of Issuer) Auction Rate Preferred (Title of Class of Securities) 72369H (CUSIP Number) Bank of America Corporation Bank of America Corporate Center Charlotte, North Carolina 28255 (Name, Address

March 14, 2014 EX-99.2

LIMITED POWER OF ATTORNEY

EX-99.2 3 misc2.htm MISCELLANEOUS EXHIBITS 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 be

March 4, 2014 EX-99

CERTIFICATIONS -------------- I, Daniel K. Kingsbury, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to s

CERTIFICATIONS - I, Daniel K. Kingsbury, certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respect to the p

March 4, 2014 N-Q/A

Quarterly Schedule of Portfolio Holdings - HIGH INCOME TRUST SOI

OMB APPROVAL OMB Number: 3235-0578 Expires: January 31, 2016 Estimated average burden hours per response.

February 26, 2014 N-Q

Quarterly Schedule of Portfolio Holdings - HIGH INCOME TRUST SOI

OMB APPROVAL OMB Number: 3235-0578 Expires: January 31, 2016 Estimated average burden hours per response.

February 26, 2014 EX-99

10:56 AM 2/26/2014CERTIFICATIONS -------------- I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material

10:56 AM 2/26/2014CERTIFICATIONS - I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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

August 29, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - HIGH INCOME TRUST SOI

OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response.

August 29, 2013 EX-99

CERTIFICATIONS -------------- I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to st

CERTIFICATIONS - I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respect to the pe

May 30, 2013 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

Report of Independent Registered Public Accounting Firm To the Board of Trustees and the Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust (the Company), as of and for the year ended March 31, 2013 in accordance with the standards of the Public Company Accounting Oversight Board (United States), we considered the

March 1, 2013 EX-99

CERTIFICATIONS -------------- I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to st

CERTIFICATIONS - I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respect to the pe

March 1, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - HIGH INCOME TRUST SOI

OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response.

February 1, 2013 SC 13G/A

PHT / Pioneer High Income Trust / 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) Pioneer High Income Trust (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72369H205 72369H304 72369H403 (CUSIP Number(s))

August 28, 2012 EX-99

CERTIFICATIONS -------------- I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to st

CERTIFICATIONS - I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respect to the pe

August 28, 2012 N-Q

Quarterly Schedule of Portfolio Holdings - HIGH INCOME TRUST SOI

OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response.

May 30, 2012 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

Report of Independent Registered Public Accounting Firm To the Board of Trustees and the Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust (the Company) as of and for the year ended March 31, 2012, in accordance with the standards of the Public Company Accounting Oversight Board (United States), we considered the

February 29, 2012 EX-99

CERTIFICATIONS -------------- I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to st

CERTIFICATIONS - I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respect to the pe

February 29, 2012 N-Q

Quarterly Schedule of Portfolio Holdings - HIGH INCOME TRUST SOI

OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response.

August 26, 2011 EX-99

EX-99

CERTIFICATIONS - I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-Q of Pioneer High Income Trust: 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 respect to the pe

August 26, 2011 N-Q

Level 1

OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response.

May 27, 2011 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

EX-99.77B ACCT LTTR 2 pioneer77b.htm Report of Independent Registered Public Accounting Firm To the Shareowners and Board of Trustees of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust (the Company) as of and for the year ended March 31, 2011, in accordance with the standards of the Public Company Accounting Oversight Board (U

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. 3)* Pioneer High Income Trust (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72369H

sc13gza UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Pioneer High Income Trust (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72369H205 72369H304 72369H403 (CUSIP Number(s)) December 31, 2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

January 11, 2011 SC 13D

SCHEDULE 13D CUSIP No. 72369H Page 1 of 34 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Pioneer High Income Trust (Name of issuer) AUCTION RATE PREFERRED (Title of class of securitie

SCHEDULE 13D CUSIP No. 72369H Page 1 of 34 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Pioneer High Income Trust (Name of issuer) AUCTION RATE PREFERRED (Title of class of securities) 72369H (CUSIP number) David Lavan, Esq. O?Melveny & Myers LLP 1625 Eye Street, NW Washington, DC 20006 (202) 383-5191 (Name, address and telephone

January 11, 2011 EX-99.2

POWER OF ATTORNEY Power of Attorney To Prepare and Execute Documents Pursuant to Sections 13 and 16 of the Securities and Exchange Act of 1934, as Amended (the “Exchange Act”) and Rules thereunder, by and on Behalf of MERRILL LYNCH, PIERCE, FENNER &

EXHIBIT 99.2 POWER OF ATTORNEY Power of Attorney To Prepare and Execute Documents Pursuant to Sections 13 and 16 of the Securities and Exchange Act of 1934, as Amended (the ?Exchange Act?) and Rules thereunder, by and on Behalf of MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED The undersigned, Merrill Lynch, Pierce, Fenner & Smith Incorporated (the ?Corporation?), a corporation duly organized

January 11, 2011 EX-99.1

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 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 completeness or accurac

December 9, 2010 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 6)* ___________________Pioneer High Income Trust_________ (Name of Issuer) AUCTION RATE PREFERRED ________________________

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 6)* Pioneer High Income Trust (Name of Issuer) AUCTION RATE PREFERRED (Title of Class of Securities) 72369H205 See Item 2(e) (CUSIP Number) November 30, 2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the Rule pursuant t

October 8, 2010 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 5)* ___________________Pioneer High Income Trust_________ (Name of Issuer) AUCTION RATE PREFERRED ________________________

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 5)* Pioneer High Income Trust (Name of Issuer) AUCTION RATE PREFERRED (Title of Class of Securities) 72369H205 See Item 2(e) (CUSIP Number) September 30, 2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the Rule pursuant

July 12, 2010 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4)* Pioneer High Income Trust ___________________________________________________________ (Name of Issuer) AUCTION RATE PR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4)* Pioneer High Income Trust (Name of Issuer) AUCTION RATE PREFERRED (Title of Class of Securities) 72369H205 See Item 2(e) (CUSIP Number) June 30, 2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the Rule pursuant to wh

July 12, 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. 2)* Pioneer High Income Trust (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72369H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Pioneer High Income Trust (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72369H205 72369H304 72369H403 (CUSIP Number) June 30, 2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate th

May 28, 2010 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

EX-99.77B ACCT LTTR 2 pioneer77b.htm Report of Independent Registered Public Accounting Firm To the Shareowners and Board of Trustees of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust (the Company) as of and for the year ended March 31, 2010 in accordance with the standards of the Public Company Accounting Oversight Board (Un

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)* Pioneer High Income Trust (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72369H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Pioneer High Income Trust (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72369H205 72369H304 72369H403 (CUSIP Number) December 31, 2009 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designat

May 29, 2009 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

Report of Independent Registered Public Accounting Firm To the Board of Trustees and Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust (the Company) as of and for the year ended March 31, 2009, in accordance with the standards of the Public Company Accounting Oversight Board (United States), we considered the Comp

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. )* Pioneer High Income Trust (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 72369H2

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

May 29, 2008 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

EX-99.77B ACCT LTTR 2 pht77b.htm Report of Independent Registered Public Accounting Firm To the Board of Trustees and Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust as of and for the year ended March 31, 2008, in accordance with the standards of the Public Company Accounting Oversight Board (United States), we

May 30, 2007 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

EX-99.77B ACCT LTTR 2 pioneer.htm Report of Independent Registered Public Accounting Firm To the Board of Trustees and Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust as of and for the year ended March 31, 2007, in accordance with the standards of the Public Company Accounting Oversight Board (United States), we

May 30, 2006 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

Report of Independent Registered Public Accounting Firm To the Board of Trustees and Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust as of and for the year ended March 31, 2006, in accordance with the standards of the Public Company Accounting Oversight Board (United States), we considered its internal control o

May 27, 2005 EX-99.77B ACCT LTTR

Report of Independent Registered Public Accounting Firm

EX-99.77B ACCT LTTR 2 phinc77b.htm Report of Independent Registered Public Accounting Firm To the Shareowners and Board of Trustees of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust for the year ended March 31, 2005, we considered its internal control, including control activities for safeguarding securities, in order to dete

May 25, 2004 EX-99.77B ACCT LTTR

Report of Ernst & Young LLP, Independent Auditors

EX-99.77B ACCT LTTR 2 phinc77b.htm Report of Ernst & Young LLP, Independent Auditors To the Board of Trustees and Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust for the year ended March 31, 2004, we considered its internal control, including control activities for safeguarding securities, in order to determine

May 30, 2003 EX-99.77B ACCT LTTR

Report of Ernst & Young LLP, Independent Auditors

EX-99.77B ACCT LTTR 3 piner77b.htm Report of Ernst & Young LLP, Independent Auditors To the Board of Trustees and Shareowners of Pioneer High Income Trust In planning and performing our audit of the financial statements of Pioneer High Income Trust, (the “Trust”), for the period from April 25, 2002 (commencement of operations) to March 31, 2003, we considered the Trust’s internal control, includin

May 30, 2003 EX-99.77I NEW SECUR

Date and accession No. are below:

EX-99.77I NEW SECUR 4 piner77i.htm Date and accession No. are below: The sections entitled “Description of AMPS” and “The Auction” in the Registrant’s prospectus relating to the Registrant’s auction market preferred shares of beneficial interest (the “Preferred Share Prospectus”) are hereby incorporated by reference. The Preferred Share Prospectus was filed electronically with the Securities and E

May 30, 2003 EX-99.77Q3 CERT

CERTIFICATIONS

EX-99.77Q3 CERT 5 pner77q3.htm CERTIFICATIONS - I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-SAR of Pioneer High Income Trust; 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

November 22, 2002 EX-99.77Q3 CERT

CERTIFICATIONS

EX-99.77Q3 CERT 3 pion77q3.htm CERTIFICATIONS - I, John F. Cogan, Jr., certify that: 1. I have reviewed this report on Form N-SAR of Pioneer High Income Trust; 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

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