Equity Residential and its operating partnership, ERP Operating Limited Partnership (collectively with Equity Residential, the "Company"), hereby amends the Company's Current Report on Form 8-K filed November 26, 2012 (the "Original Report"), to update the pro forma financial information contained in the Original Report.

(b) The pro forma financial information contained under the caption "Unaudited Pro Forma Condensed Consolidated Financial Statements" in Equity Residential's prospectus supplement dated November 28, 2012 is hereby incorporated herein by reference (the "Incorporated Information"). A copy of the Incorporated Information is attached hereto as Exhibit 99.1.

Exhibit
Number                                      Exhibit

99.1         Pro Forma Financial Information contained in Equity Residential's
             prospectus supplement dated November 28, 2012.