Corporate Office Properties Trust Hires Peter Garver as Director, Development Services.

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COLUMBIA, Md.--(BUSINESS WIRE)--March 11, 2003

Corporate Office Properties Trust (NYSE:OFC), the largest owner of office space in the Baltimore/Washington Corridor, announced the hiring of Peter Garver as Director, Development Services.

Formerly Director of Development for Montgomery Park Business Center, a 1.3 million square foot office building in Baltimore City, Mr. Garver will work for Corporate Development Services, LLC (CDS), the Company's development subsidiary.

In his new role, Mr. Garver will assist in the design and development of new office buildings in the Mid-Atlantic region, with a focus in the Baltimore/Washington Corridor and Northern Virginia marketplace. He will also work on the identification of land development opportunities throughout the region.

Mr. Garver brings more than 19 years of direct development and real estate experience to Corporate Office Properties. He previously held positions with Ayers/Saint/Gross Architects in Baltimore and Dagit Saylor Architects in Philadelphia.

"Peter brings in-depth knowledge of both the development industry and the local real estate market, and represents an excellent addition to the Corporate Development Services team," stated Dwight S. Taylor, President of Corporate Development Services. "His experience will prove invaluable as we bring new projects to fruition," he added.

Mr. Garver earned his Bachelor of Science degree in Architecture at the University of Wisconsin School of Architecture and Urban Planning and his Masters of Architecture Degree at the University of Virginia School of Architecture. He currently resides with his family in Baltimore City.

Company Information

Corporate Office Properties Trust is a fully integrated, self-managed real estate investment trust, which focuses on the ownership, management, leasing, acquisition and development of suburban office properties located in select Mid-Atlantic submarkets.

The Company currently owns 111 office properties totaling 9.1 million rentable square feet. Corporate Development Services, the Company's development company, provides a wide range of development and construction management services. In addition, Corporate Office Services provides land planning, design/build services, consulting, and merchant development to third party entities.

The Company's shares are traded on the New York Stock Exchange under the symbol OFC. More information on Corporate Office Properties Trust can be found on the Internet at www.copt.com.

Forward-Looking Information

This press release contains forward-looking information based upon the Company's current best judgment and expectations. Actual results could vary from those presented herein.

The risks and uncertainties associated with the forward-looking information include the strength of the commercial office real estate market in which the Company operates, competitive market conditions, general economic growth, interest rates and capital market conditions.

For further information, please refer to the Company's filings with the Securities and Exchange Commission.

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