PS Business Parks, Inc. to Present at the NAREIT 2009 Investor Forum

Business Wire, May 22, 2009

GLENDALE, Calif. -- PS Business Parks, Inc. (NYSE:PSB) announced that senior management will make a presentation at the NAREIT 2009 Investor Forum at the Waldorf Astoria, New York City, in the Astor Room on Wednesday, June 3, 2009, from 11:45 a.m. to 12:20 p.m. (EDT). The presentation will be webcast and may be accessed through the Company’s website at www.psbusinessparks.com.

Company Information

PS Business Parks, Inc., a member of the S&P SmallCap 600, is a self-advised and self-managed equity real estate investment trust (“REIT”) that acquires, develops, owns and operates commercial properties, primarily flex, multi-tenant office and industrial space. The Company defines “flex” space as buildings that are configured with a combination of office and warehouse space and can be designed to fit a number of uses (including office, assembly, showroom, laboratory, light manufacturing and warehouse space). As of March 31, 2009, PSB wholly owned approximately 19.6 million rentable square feet with approximately 3,750 customers located in eight states, concentrated in California (5.8 million sq. ft.), Florida (3.6 million sq. ft.), Virginia (3.0 million sq. ft.), Texas (2.9 million sq. ft.), Maryland (1.8 million sq. ft.), Oregon (1.3 million sq. ft.), Arizona (0.7 million sq. ft.) and Washington (0.5 million sq. ft.).

Additional information about PS Business Parks, Inc. is available on the Internet. The Company’s website is www.psbusinessparks.com.