PART IV ITEM 15 Signatures Signatures Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated as of February 28, 2013. CIGNA CORPORATION -  2012 Form  10-K 133 CIGNA CORPORATION Date: February 28, 2013 By: /s/ Ralph J. Nicoletti Ralph J. Nicoletti Executive Vice President and Chief Financial Officer (Principal Financial Officer) Signature Title /s/ David M. Cordani Chief Executive Officer and Director (Principal Executive Officer) David M. Cordani /s/ Ralph J. Nicoletti Executive Vice President and Chief Financial Officer (Principal Financial Officer) Ralph J. Nicoletti /s/ Mary T. Hoeltzel Vice President and Chief Accounting Officer (Principal Accounting Officer) Mary T. Hoeltzel /s/ Eric J. Foss Director Eric J. Foss /s/ Isaiah Harris, Jr. Chairman of the Board Isaiah Harris, Jr. /s/ Jane E. Henney, M.D. Director Jane E. Henney, M.D. /s/ Roman Martinez IV Director Roman Martinez IV /s/ John M. Partridge Director John M. Partridge /s/ James E. Rogers Director James E. Rogers /s/ Joseph P. Sullivan Director Joseph P. Sullivan /s/ Eric C. Wiseman Director Eric C. Wiseman /s/ Donna F. Zarcone Director Donna F. Zarcone /s/ William D. Zollars Director William D. Zollars