Great Plains Energy (NYSE: GXP) today announced a correction to the ex-dividend date for its recently declared quarterly dividend of $0.2750 per share on its common stock. The Company’s current annual dividend level is $1.10 per share, payable on December 20, 2017 to shareholders of record as of November 29, 2017. The ex-dividend date will be November 28, 2017, rather than the previously announced date of November 27, 2017.

About The Companies:

Headquartered in Kansas City, Mo., Great Plains Energy Incorporated is the holding company of Kansas City Power & Light Company (KCP&L) and KCP&L Greater Missouri Operations Company, two of the leading regulated providers of electricity in the Midwest. KCP&L and KCP&L Greater Missouri Operations Company 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.

Forward-Looking Statements:

Statements made in this communication that are not based on historical facts are forward-looking within the meaning of the Private Securities Litigation Reform Act of 1995, may involve risks and uncertainties, and are intended to be as of the date when made. The forward-looking statements contained herein include, but are not limited to, information regarding Great Plains Energy’s dividend program and future payment obligations.

The list of factors that could cause actual results to differ materially from the forward-looking statements made by Great Plains Energy include those items discussed in Great Plains Energy’s 2016 Annual Report on Form 10-K and other factors discussed in filings with the Securities and Exchange Commission (“SEC”) by Great Plains Energy. Readers are cautioned not to place undue reliance on these forward-looking statements, which apply only as of the date of this press release. Great Plains Energy undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.