N-PX 1 preferredopp.txt PREFERRED OPPORTUNITY TRUST UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act File Number: 811-21280 Exact name of registrant as specified in charter: BlackRock Preferred Opportunity Trust Address of principal executive offices: 100 Bellevue Parkway Wilmington, DE 19809 Name and address of agent for service: Robert S. Kapito, President 40 East 52nd Street New York, New York 10022 Registrant's telephone number, including area code: (888) 825-2257 Date of fiscal year end: 12/31 Date of reporting period: 07/01/2006 - 06/30/2007 Item 1 - PROXY VOTING RECORD - There were no matters relating to a portfolio security considered at any shareholder meeting held during the period ended June 30, 2007 with respect to which the registrant was entitled to vote. - 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. BlackRock Preferred Opportunity Trust By: /s/ Robert S. Kapito --------------------- Robert S. Kapito Principal Executive Officer Date: August 24, 2007