Entity information:

• Entity registrant name: BOSTON PROPERTIES INC
• CIK: 0001037540
• SEC filing page: http://www.sec.gov/Archives/edgar/data/1037540/000165642318000004/0001656423-18-000004-index.htm
• XBRL Instance: http://www.sec.gov/Archives/edgar/data/1037540/000165642318000004/bxp-20171231.xml
• XBRL Cloud Viewer: https://edgardashboard.xbrlcloud.com/flex/viewer/XBRLViewer.html#instance=http://www.sec.gov/Archives/edgar/data/1037540/000165642318000004/bxp-20171231.xml
• EDGAR Dashboard: https://edgardashboard.xbrlcloud.com/edgar-dashboard/?cik=0001037540
• Generator: Workiva (WebFilings)
• Total assets: 19,372,233,000
• Income tax expense (benefit):
• Found reconcilation from statutory to effective rates: False
• Found income tax policy: Coming soon!

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