X0306 4 2013-08-20 0 0000866368 PS BUSINESS PARKS INC/CA PSB 0001393311 Public Storage 701 WESTERN AVENUE GLENDALE CA 91201-2349 0 0 1 0 Common Stock 2013-08-20 4 P 0 20170 73.3802 A 5988969 D Common Stock 2013-08-21 4 P 0 20300 72.8470 A 6009269 D Common Stock 2013-08-22 4 P 0 16582 73.4987 A 6025851 D Represents weighted average price. These shares were purchased at prices ranging between $72.32 and $73.80. Full information regarding the number of shares purchased at each separate price will be provided by the reporting person upon request to the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer. Represents weighted average price. These shares were purchased at prices ranging between $72.10 and $73.88. Full information regarding the number of shares purchased at each separate price will be provided by the reporting person upon request to the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer. Represents weighted average price. These shares were purchased at prices ranging between $72.84 and $74.00. Full information regarding the number of shares purchased at each separate price will be provided by the reporting person upon request to the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer. Steven M. Glick, Senior Vice President 2013-08-22