Entity information:

• Entity registrant name: PS BUSINESS PARKS INC/CA
• CIK: 0000866368
• SEC filing page: http://www.sec.gov/Archives/edgar/data/866368/000086636818000005/0000866368-18-000005-index.htm
• XBRL Instance: http://www.sec.gov/Archives/edgar/data/866368/000086636818000005/psb-20171231.xml
• XBRL Cloud Viewer: https://edgardashboard.xbrlcloud.com/flex/viewer/XBRLViewer.html#instance=http://www.sec.gov/Archives/edgar/data/866368/000086636818000005/psb-20171231.xml
• EDGAR Dashboard: https://edgardashboard.xbrlcloud.com/edgar-dashboard/?cik=0000866368
• Generator: Certent (was Rivet)
• Total assets: 2,100,159,000
• Income tax expense (benefit):
• Found reconcilation from statutory to effective rates: False
• Found income tax policy: Coming soon!

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