Great Plains Energy Fourth Quarter / Year-End 2008 Earnings Webcast and Conference Call

Great Plains Energy Incorporated (NYSE:GXP) announced today that it will release its 2008 fourth quarter / year-end earnings on Wednesday, February 11, 2009 after the market close. On Thursday, February 12, 2009 at 9:00 a.m. EST, the Company’s executive officers will conduct a webcast and conference call to discuss the Company’s results for 2008 fourth quarter and full year earnings and operating results.

Stockholders, analysts and other interested parties can access the earnings call by dialing 877-791-9323 (U.S./Canada) or 706-758-1332 (international) using pass code 82655211. The call will also be webcast and can be accessed in a listen-only mode on Great Plains Energy’s website at www.greatplainsenergy.com.

If you are unable to participate during the call, a replay will be available on Great Plains Energy’s website for future review. You may also access the telephone replay by dialing 800-642-1687 (U.S./Canada) or 706-645-9291 (international) using pass code 82655211 through February 19, 2009.

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.