UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-22014 ----- Pioneer Diversified High Income Trust ---------------------------------------------------- (Exact name of registrant as specified in charter) 60 State Street Boston, MA 02109 ---------------------------------------------------- (Address of principal executive offices) Dorothy Bourassa 60 State Street Boston, MA 02109 ---------------------------------------------------- (Name and address of agent for service) Registrant's telephone number, including area code: (617) 742-7825 Date of fiscal year end: March 31 Date of reporting period: July 1, 2008 to June 30, 2009 SIGNATURES Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) Pioneer Diversified High Income Trust By (Signature and Title) /s/ John F. Cogan, Jr. ------------------------- John F. Cogan, Jr., Chairman and President Date August 19, 2009 ---------------- ===================PIONEER DIVERSIFIED HIGH INCOME TRUST ======================= AINSWORTH LUMBER CO LTD Ticker: ANS Security ID: 009037AG7 Meeting Date: JUL 24, 2008 Meeting Type: Bondholder Record Date: JUN 18, 2008 # Proposal Mgt Rec Vote Cast Sponsor 1 Bondholder Resolution: Approve For For Management Arrangement Scheme -------------------------------------------------------------------------------- AINSWORTH LUMBER CO LTD Ticker: ANS Security ID: C01023206 Meeting Date: MAY 13, 2009 Meeting Type: Annual/Special Record Date: APR 3, 2009 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Robert Chadwick For For Management 1.2 Elect Director Jay Gurandiano For For Management 1.3 Elect Director Paul Houston For For Management 1.4 Elect Director Richard Huff For For Management 1.5 Elect Director John Lacey For Withhold Management 1.6 Elect Director Gordon Lancaster For For Management 1.7 Elect Director Jonathan I. Mishkin For For Management 2 Approve Deloitte & Touche LLP as For For Management Auditors and Authorize Board to Fix Their Remuneration 3 Approve Stock Option Plan For For Management -------------------------------------------------------------------------------- BULGARIA STEEL FINANCE BV Ticker: Security ID: N1759JAA2 Meeting Date: OCT 1, 2008 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Bondholder Proposal For For Management -------------------------------------------------------------------------------- CHARTER COMMUNICATIONS, INC. Ticker: CHTRQ Security ID: 12502BAC7 Meeting Date: JUN 15, 2009 Meeting Type: Written Consent Record Date: APR 17, 2009 # Proposal Mgt Rec Vote Cast Sponsor 1 Plan Of Reorganization For For Management -------------------------------------------------------------------------------- CHARTER COMMUNICATIONS, INC. Ticker: CHTRQ Security ID: 12502CAM3 Meeting Date: JUN 15, 2009 Meeting Type: Written Consent Record Date: APR 17, 2009 # Proposal Mgt Rec Vote Cast Sponsor 1 Plan Of Reorganization For For Management -------------------------------------------------------------------------------- NEXUS FLOATING PRODUCTION LTD. Ticker: Security ID: Y6265HAA0 Meeting Date: JUN 17, 2009 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Approve Summons For Did Not Vote Management 2 Approve Agenda For Did Not Vote Management 3 Approve Election of Two Bondholders to For Did Not Vote Management Sign the Minutes Together with Chairperson 4 Approve Change of Loan Agreement For Did Not Vote Management -------------------------------------------------------------------------------- NORWEGIAN ENERGY COMPANY ASA Ticker: Security ID: R6333ZAA6 Meeting Date: NOV 3, 2008 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Approve Convocation of Meeting None For Management 2 Approve Agenda None For Management 3 Designate Inspector(s) of Minutes of None For Management Meeting 4 Amend Loan Agreement: Delete Clause For For Management 13.3(c) from the Loan Agreement; Amend Repayment Schedule -------------------------------------------------------------------------------- NORWEGIAN ENERGY COMPANY ASA Ticker: Security ID: R6333ZAA6 Meeting Date: MAR 20, 2009 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Approve Summons of Meeting For For Management 2 Approve and Agenda For For Management 3 Designate Inspector(s) of Minutes of For For Management Meeting 4 Approve Amendment to Bond Agreement; For For Management Revise Amortization, Revise Option Schedules, New Share Pledge, Revise Price Hedging, Revise Exploration Restriction; Authorize Formalities -------------------------------------------------------------------------------- PETROMENA ASA Ticker: Security ID: R69629AA2 Meeting Date: JAN 16, 2009 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Approve Summons For Did Not Vote Management 2 Approve Agenda For Did Not Vote Management 3 Elect Two Persons to Sign Minutes For Did Not Vote Management Together with Chairman 4 Consent to Partial Redemption and For Did Not Vote Management Release of Security -------------------------------------------------------------------------------- PETROMENA ASA Ticker: Security ID: R69629AA2 Meeting Date: FEB 18, 2009 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Approve Summons None For Management 3 Approve Agenda None For Management 4 Elect Two Persons to Sign Minutes None For Management Together with Chairman 5 Consent to Engagement of Financial None For Management Advisor; Consent to Engagement of Rig Broker; Consent to Pay Certain Fees and Legal Expenses to Trustee, Rig Broker, Legal Advisor and Financial Advisor -------------------------------------------------------------------------------- PETROMENA ASA Ticker: Security ID: R69629AA2 Meeting Date: MAR 11, 2009 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Approve Summons For For Management 2 Approve Agenda For For Management 3 Designate Inspector(s) of Minutes of For For Management Meeting 4 Amend Bond Loan Agreement: Sale of Rig, For For Management Etc. 5 Amend Bond Loan Agreement: Increase For For Management Carve-out Amount for First Priority Debt Related to Rig 1, Etc 6 Amend Bond Loan Agreement: Increase For For Management Carve-out Amount for First Priority Debt Related to Rig 1, Etc -------------------------------------------------------------------------------- PETROMENA ASA Ticker: Security ID: R69629AA2 Meeting Date: MAR 30, 2009 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Approve Summons For For Management 2 Approve Agenda For For Management 3 Designate Inspector(s) of Minutes of For For Management Meeting 4a Authorize Norsk Tillitsmann to Enter For For Management Into an Egagement Letter with AMA Capital Partners as a Financial Supervisor 4b Authorize Norsk Tillitsmann to Pay For For Management Legal Fees, Costs, and Expenses Incurred by Representation of Bingham McCutchen LLP as Legal Advisor 4c Authorize Norsk Tillitsmann to Pay For For Management Fees, Cost, and Expenses in Connection with the Issue of the 9.75 Percent Bonds 4d Authorize Norsk Tillitsmann to Pay the For For Management Fees and Expenses of AMA Capital Partners Incurred in its Representation of Norsk Tillitsmann -------------------------------------------------------------------------------- SKEIE DRILLING & PRODUCTION ASA Ticker: Security ID: R7034SAB0 Meeting Date: JUN 29, 2009 Meeting Type: Bondholder Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1 Approve Summons For For Management 2 Approve Agenda For For Management 3 Designate Inspectors of Minutes of For For Management Meeting 4 Approve Write-off; Approve Partial For For Management Foregoing of Interest, Approve Partial Conversion; Approve Consent Not to Declare Default; Approve Waivers and Amendments to Loan Agreement; Authorize Trustee to Implement and Make Adjustments if Needed ========== END NPX REPORT