Attached files

file filename
10-K - FORM 10-K - ERP OPERATING LTD PARTNERSHIPc63161e10vk.htm
EX-12 - EX-12 - ERP OPERATING LTD PARTNERSHIPc63161exv12.htm
EX-21 - EX-21 - ERP OPERATING LTD PARTNERSHIPc63161exv21.htm
EX-32.2 - EX-32.2 - ERP OPERATING LTD PARTNERSHIPc63161exv32w2.htm
EX-31.2 - EX-31.2 - ERP OPERATING LTD PARTNERSHIPc63161exv31w2.htm
EX-31.1 - EX-31.1 - ERP OPERATING LTD PARTNERSHIPc63161exv31w1.htm
EX-23.1 - EX-23.1 - ERP OPERATING LTD PARTNERSHIPc63161exv23w1.htm
         
Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
     In connection with the Annual Report of ERP Operating Limited Partnership (“ERPOP”) on Form 10-K for the period ending December 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David J. Neithercut, Chief Executive Officer of Equity Residential, general partner of ERPOP, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:
  (1)   The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
 
  (2)   The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of ERPOP.
         
   
/s/ David J. Neithercut    
David J. Neithercut   
Chief Executive Officer
of Registrant’s General Partner 
 
February 24, 2011