Great Plains Energy Announces Webcast and Conference Call for Third Quarter 2010 Earnings

KANSAS CITY, Mo.--(BUSINESS WIRE) --Oct. 15, 2010-- Great Plains Energy Incorporated (NYSE:GXP) announced today that it will release its 2010 third quarter earnings on Thursday, October 28, 2010, after the market close.

On Friday, October 29, 2010, at 9:00 a.m. EDT, executive officers of the Company will conduct a webcast and conference call to discuss the Company's 2010 third quarter earnings and operating results. Supplemental financial information and the earnings webcast presentation will be available after the October 28 market close and after 8:30 a.m. EDT on October 29, respectively, in the Upcoming Events section of 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 11638071. Access to the webcast is on Great Plains Energy's website at www.greatplainsenergy.com. A replay of the webcast will be available on Great Plains Energy's website and telephonically through November 4, 2010 at (800) 642-1687 (U.S./Canada) or (706) 645-9291 (international), pass code 11638071.

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.

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CONTACT: Great Plains Energy

Investors:

Tony Carre$o, 816-654-1763

Director, Investor Relations

anthony.carrenokcpl.com

or

Media:

Katie McDonald, 816-556-2365

Director, Corporate Communications

katie.mcdonaldkcpl.com

KEYWORD: UNITED STATES NORTH AMERICA MISSOURI

INDUSTRY KEYWORD: ENERGY UTILITIES

SOURCE: Great Plains Energy Incorporated Copyright Business Wire 2010 http://www.businesswire.com/news/home/20101015005692/en

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