| Date | Event |
| 4-Nov-09 | PS BUSINESS PARKS INC/CA Files SEC form 10-Q, Quarterly Report |
| 3-Nov-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 2-Nov-09 | Earnings announcement |
| 11-Sep-09 | Ex-Date for dividend payment of $0.44 |
| 14-Aug-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 11-Aug-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 10-Aug-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Regulation FD Disclosure |
| 7-Aug-09 | PS BUSINESS PARKS INC/CA Files SEC form 10-Q, Quarterly Report |
| 6-Aug-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 9-Jul-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Regulation FD Disclosure |
| 17-Jun-09 | PS BUSINESS PARKS INC/CA Files SEC form 10-K/A, Annual Report |
| 11-Jun-09 | Ex-Date for dividend payment of $0.44 |
| 22-May-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Regulation FD Disclosure |
| 7-May-09 | PS BUSINESS PARKS INC/CA Files SEC form 10-Q, Quarterly Report |
| 5-May-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 9-Apr-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 31-Mar-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhi |
| 6-Mar-09 | Price hit new 52-week low ($28.29) |
| 5-Mar-09 | Price hit new 52-week low ($30.07) |
| 4-Mar-09 | Price hit new 52-week low ($31.13) |
| 26-Feb-09 | PS BUSINESS PARKS INC/CA Files SEC form 10-K, Annual Report |
| 25-Feb-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Change in Directors or Principal Officers, Amendments to Articles of Inc |
| 24-Feb-09 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 4-Nov-08 | PS BUSINESS PARKS INC/CA Files SEC form 10-Q, Quarterly Report |
| 31-Oct-08 | PS BUSINESS PARKS INC/CA Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |