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KANSAS CITY, Mo.--([ BUSINESS WIRE ])--Great Plains Energy Incorporated (NYSE: GXP) announced today that it will release its 2011 fourth quarter and year-end earnings on Monday, February 27, 2012, after the market close. On Tuesday, February 28, 2012, at 9:00 a.m. ET, executive officers of the Company will conduct a webcast and conference call to discuss the Companyas 2011 fourth quarter and full-year earnings and operating results. Supplemental financial information and the earnings webcast presentation will be available after the February 27 market close and after 8:30 a.m. ET on February 28, respectively, on the Great Plains Energy website at [ www.greatplainsenergy.com ].

Stockholders, analysts and other interested parties may access the earnings call by dialing (877) 791-9323 (U.S./Canada) or (706) 758-1332 (international) using pass code 42206153. A replay of the webcast will be available on Great Plains Energyas website and telephonically through March 6, 2012, at (855) 859-2056 (U.S./Canada) or (404) 537-3406 (international), pass code 42206153.

ABOUT GREAT PLAINS ENERGY

Headquartered in Kansas City, Mo., Great Plains Energy Incorporated (NYSE: GXP) is the holding company of Kansas City Power & Light Company and KCP&L Greater Missouri Operations Company, two of the leading regulated providers of electricity in the Midwest. Kansas City Power & Light and KCP&L Greater Missouri Operations use KCP&L as a brand name. More information about the companies is available on the Internet at: [ www.greatplainsenergy.com ] or [ www.kcpl.com ].