UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 -------------------- FORM 8-K CURRENT REPORT --------------------- PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 23, 2009 PS BUSINESS PARKS, INC. (Exact Name of Registrant as Specified in its Charter) California 1-10709 95-4300881 (State or Other Jurisdiction of (Commission File Number) (I.R.S. Employer Incorporation) Identification No.) 701 Western Avenue, Glendale, California 91201-2349 (Address of Principal Executive Offices) (Zip Code) (818) 244-8080 (Registrant's telephone number, including area code) Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: |_| Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |_| Pre-commencements communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ITEM 5.02 DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS. On February 23, 2009, PS Business Parks, Inc. (the "Company") issued a press release announcing the election by the Board of Directors of the Company of Jennifer Holden Dunbar as a member of the Board of Directors of the Company. A copy of the press release is attached as Exhibit 99.1 to this current report on Form 8-K. There is no arrangement or understanding pursuant to which Ms. Dunbar was nominated or elected as a director, and there have been no transactions, either since the beginning of the Company's last fiscal year or that are currently proposed, regarding Ms. Dunbar that are required to be disclosed pursuant to Item 404(a) of SEC Regulation S-K. Ms. Dunbar has not been appointed to committees of the Board of Directors at this time. ITEM 5.03 AMENDMENTS TO ARTICLES OF INCORPORATION OR BYLAWS; CHANGE IN FISCAL YEAR Effective February 23, 2009, the Company's Board of Directors amended the second sentence of Section 2 of Article IV of the Company's Bylaws to read as follows: "The exact number of directors shall be nine (9) until changed within the limits specified above, by a bylaw amending this section 2, duly adopted by the board of directors or by the shareholders." ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS (c) EXHIBITS Exhibit 99.1--Press release dated February 23, 2009 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: February 25, 2009 PS BUSINESS PARKS, INC. By: /s/ Edward A. Stokx ----------------------- Edward A. Stokx Chief Financial Officer Exhibit Index The following exhibit is being furnished with this Report: Exhibit 99.1--Press Release dated February 23, 2009. Filed herewith.