FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-7590 John Hancock Patriot Preferred Dividend Fund - ------------------------------------------------------------------------- (Exact name of registrant as specified in charter) 601 Congress Street Boston, Massachusetts 02210-2805 - ------------------------------------------------------------------------- (Address of principal executive offices) Noel Maffucci 601 Congress Street Boston, Massachusetts 02210-2805 - ------------------------------------------------------------------------- (Name and address of agent for service) Registrant's telephone number, including area code: 1-800-225-5291 Date of Fiscal year-end: 6/30/2006 Date of reporting period: 07/01/2005 - 06/30/2006 Item 1. Proxy Voting Record PATRIOT PREFERRED DIVIDEND ALLIANT ENERGY CORP. Ticker: LNT Security ID: 018802108 Meeting Date: MAY 12, 2006 Meeting Type: Annual Record Date: MAR 20, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Ann K. Newhall For For Management 1.2 Elect Director Dean C. Oestreich For For Management 1.3 Elect Director Carol P. Sanders For For Management 2 Amend Omnibus Stock Plan For Abstain Management 3 Ratify Auditors For For Management - -------------------------------------------------------------------------------- AMERCO Ticker: UHAL Security ID: 023586100 Meeting Date: AUG 26, 2005 Meeting Type: A Record Date: JUL 7, 2005 # Proposal Mgt Rec Vote Cast Sponsor 1.01 Elect Daniel R. Mullen For For Management 1.02 Elect John M. Dodds For For Management 1.03 Elect James P. Shoen For For Management - -------------------------------------------------------------------------------- AT&T INC Ticker: T Security ID: 00206R102 Meeting Date: APR 28, 2006 Meeting Type: Annual Record Date: MAR 1, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director William F. Aldinger, III For Withhold Management 1.2 Elect Director Gilbert F. Amelio For For Management 1.3 Elect Director August A. Busch, III For For Management 1.4 Elect Director Martin K. Eby, Jr. For For Management 1.5 Elect Director James A. Henderson For For Management 1.6 Elect Director Charles F. Knight For For Management 1.7 Elect Director Jon C. Madonna For For Management 1.8 Elect Director Lynn M. Martin For For Management 1.9 Elect Director John B. McCoy For For Management 1.10 Elect Director Mary S. Metz For For Management 1.11 Elect Director Toni Rembe For For Management 1.12 Elect Director S. Donley Ritchey For For Management 1.13 Elect Director Joyce M. Roche For For Management 1.14 Elect Director Randall L. Stephenson For For Management 1.15 Elect Director Laura D'Andrea Tyson For For Management 1.16 Elect Director Patricia P. Upton For For Management 1.17 Elect Director Edward E. Whitacre, Jr. For For Management 2 Ratify Auditors For For Management 3 Approve Omnibus Stock Plan For Against Management 4 Amend Articles/Bylaws/Charter-Non-Routine For For Management 5 Report on Political Contributions Against Abstain Shareholder 6 Separate Chairman and CEO Positions Against Against Shareholder 7 Report on Pay Disparity Against Against Shareholder 8 Non-Employee Director Compensation Against Against Shareholder 9 Submit Severance Agreement (Change in Against Against Shareholder Control) to shareholder Vote 10 Adopt Simple Majority Vote Requirement Against For Shareholder - -------------------------------------------------------------------------------- DOMINION RESOURCES, INC. Ticker: D Security ID: 25746U109 Meeting Date: APR 28, 2006 Meeting Type: Annual Record Date: FEB 24, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Peter W. Brown For For Management 1.2 Elect Director Ronald J. Calise For For Management 1.3 Elect Director Thos. E. Capps For For Management 1.4 Elect Director George A. Davidson, Jr. For For Management 1.5 Elect Director Thomas F. Farrell, II For For Management 1.6 Elect Director John W. Harris For For Management 1.7 Elect Director Robert S. Jepson, Jr. For For Management 1.8 Elect Director Mark J. Kington For For Management 1.9 Elect Director Benjamin J. Lambert, III For For Management 1.10 Elect Director Richard L. Leatherwood For For Management 1.11 Elect Director Margaret A. McKenna For For Management 1.12 Elect Director Frank S. Royal, M.D. For For Management 1.13 Elect Director S. Dallas Simmons For For Management 1.14 Elect Director David A. Wollard For For Management 2 Ratify Auditors For For Management 3 Require a Majority Vote for the Election Against Against Shareholder of Directors 4 Report on Greenhouse Gas Emissions Against Abstain Shareholder 5 Submit Supplemental Executive Retirement Against For Shareholder Plans to Shareholder vote - -------------------------------------------------------------------------------- DTE ENERGY CO. Ticker: DTE Security ID: 233331107 Meeting Date: APR 27, 2006 Meeting Type: Annual Record Date: FEB 27, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Alfred R. Glancy, III For For Management 1.2 Elect Director John E. Lobbia For For Management 1.3 Elect Director Eugene A. Miller For For Management 1.4 Elect Director Charles W. Pryor, Jr. For For Management 1.5 Elect Director Joe W. Laymon For For Management 2 Approve Omnibus Stock Plan For For Management 3 Ratify Auditors For For Management - -------------------------------------------------------------------------------- NISOURCE INC. Ticker: NI Security ID: 65473P105 Meeting Date: MAY 10, 2006 Meeting Type: Annual Record Date: MAR 14, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Gary L. Neale For For Management 1.2 Elect Director Robert J. Welsh For For Management 1.3 Elect Director Roger A. Young For For Management 2 Ratify Auditors For For Management 3 Declassify the Board of Directors For For Management 4 Require a Majority Vote for the Election Against For Shareholder of Directors - -------------------------------------------------------------------------------- NSTAR Ticker: NST Security ID: 67019E107 Meeting Date: MAY 4, 2006 Meeting Type: Annual Record Date: MAR 6, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Thomas G. Dignan, Jr. For For Management 1.2 Elect Director Matina S. Horner For For Management 1.3 Elect Director Gerald L. Wilson For For Management 2 Ratify Auditors For For Management - -------------------------------------------------------------------------------- PEOPLES ENERGY CORP. Ticker: PGL Security ID: 711030106 Meeting Date: FEB 24, 2006 Meeting Type: Annual Record Date: DEC 27, 2005 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Keith E. Bailey For For Management 1.2 Elect Director James R. Boris For For Management 1.3 Elect Director William J. Brodsky For For Management 1.4 Elect Director Pastora San Juan Cafferty For For Management 1.5 Elect Director Diana S. Ferguson For For Management 1.6 Elect Director John W. Higgins For For Management 1.7 Elect Director Dipak C. Jain For For Management 1.8 Elect Director Michael E. Lavin For For Management 1.9 Elect Director Homer J. Livingston For For Management 1.10 Elect Director Thomas M. Patrick For For Management 1.11 Elect Director Richard P. Toft For For Management 2 Ratify Auditors For For Management - -------------------------------------------------------------------------------- SCANA CORPORATION Ticker: SCG Security ID: 80589M102 Meeting Date: APR 27, 2006 Meeting Type: Annual Record Date: MAR 10, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director James A. Bennett For For Management 1.2 Elect Director William C. Burkhardt For For Management 1.3 Elect Director Lynne M. Miller For For Management 1.4 Elect Director Maceo K. Sloan For For Management 1.5 Elect Director Sharon A. Decker For For Management 2 Ratify Auditors For For Management - -------------------------------------------------------------------------------- TECO ENERGY, INC. Ticker: TE Security ID: 872375100 Meeting Date: APR 26, 2006 Meeting Type: Annual Record Date: FEB 16, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Sara L. Baldwin For For Management 1.2 Elect Director Luis Guinot, Jr. For For Management 1.3 Elect Director Sherrill W. Hudson For For Management 1.4 Elect Director Loretta A. Penn For For Management 1.5 Elect Director William P. Sovey For For Management 2 Ratify Auditors For For Management - -------------------------------------------------------------------------------- XCEL ENERGY INC. Ticker: XEL Security ID: 98389B100 Meeting Date: MAY 17, 2006 Meeting Type: Annual Record Date: MAR 21, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director C. Coney Burgess For For Management 1.2 Elect Director Fredric W. Corrigan For For Management 1.3 Elect Director Richard K. Davis For For Management 1.4 Elect Director Roger R. Hemminghaus For For Management 1.5 Elect Director A. Barry Hirschfeld For For Management 1.6 Elect Director Richard C. Kelly For For Management 1.7 Elect Director Douglas W. Leatherdale For For Management 1.8 Elect Director Albert F. Moreno For For Management 1.9 Elect Director Dr. Margaret R. Preska For For Management 1.10 Elect Director A. Patricia Sampson For For Management 1.11 Elect Director Richard H. Truly For For Management 2 Ratify Auditors For For Management 3 Separate Chairman and CEO Positions Against Against Shareholder Any ballot marked 'Abstain' is considered to have been voted. Ballots marked 'Abstain' are considered to be have been voted against management's recommendation, regardless of whether the recommendation is 'For' or 'Against,' except where management has made no recommendation or has recommended that shareholders 'Abstain.' Where management has recommended that shareholders 'Abstain' from voting on a ballot item: 1) a ballot market 'Abstain' is considered to have been voted for management's recommendation to 'Abstain' and 2) a ballot voted 'For" or 'Against' is considered to have been voted against management's recommendation to 'Abstain.' Where management has made no recommendation on a ballot item, the abbreviation "N/A" is used to denote that there is no applicable recommendation compared to which a vote may be 'For' or 'Against' the recommendation of management. 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. John Hancock Patriot Preferred Dividend Fund - ------------------------------------------------------------------------- (Registrant) By: /s/Keith F. Hartstein --------------------- Keith F. Hartstein President and Chief Executive Officer Date: August 30, 2006