Jul. 12, 2017-- Great Plains Energy Incorporated announced today that on July 13, 2017 a notice of redemption will be sent to the holders of its Depositary Shares, each representing 1/20th interest in a share of the Company’s 7.00% Series B Mandatory Convertible Preferred Stock providing for the redemption of all of the Company’s outstanding Mandatory Convertible Preferred Stock and the related Depositary Shares. The redemption price shall be the Acquisition Termination Make-whole Amount, as set forth in the Notice of Redemption. The redemption date will be August 17, 2017. Payment of the Acquisition Termination Make-whole Amount for each share of Mandatory Convertible Preferred Stock will be made only upon presentation and surrender of the Depositary Shares to Computershare Trust Company, N.A., the Company’s redemption agent, during its normal business hours at the address specified in the Notice of Redemption. Questions relating to the redemption should be directed to Computershare Trust Company, N.A., at 1-855-396-2084.

QUANTUMONLINE.COM SECURITY DESCRIPTION:  Great Plains Energy, Inc., 7.00% depositary shares each representing a 1/20th interest in a share of Series B Mandatory Convertible Preferred Stock, liquidation preference $50 per depositary share. The preferred shares are mandatorily convertible on 9/15/2019 into a variable number of Great Plains Energy, Inc. (NYSE: GXP) common shares based on the then current price of the common shares for 20 consecutive trading days immediately prior to the conversion date. The conversion settlement rate will be 1.5753 depositary shares per unit if the then current market price is equal to or greater than $31.74 and 1.8904 depositary shares per unit if the market price is equal to or less than $27.16. For market prices between those values the settlement rate will be $50 divided by the market value. The last reported sale price of the common stock on 9/27/2016 was $27.16 per share. The preferred shares are convertible any time at the holder’s option into 1.5753 depositary shares of common stock. Distributions of 7.00% per annum ($3.50 per annum or $0.875 per quarter) will be paid quarterly on 3/15, 6/15, 9/15 & 12/15 to holders of record on the record date that will be 3/1, 6/1, 9/1 & 12/1 respectively (NOTE: the ex-dividend date is at least 2 business days prior to the record date). If an Acquisition Termination Event occurs and the Acquisition is not completed on or before 5:00 p.m. EST on 11/30/2017 and if the Company, at its option, notifies holders of the acquisition termination redemption, the Company will be required to redeem the Mandatory Convertible Preferred Stock, in whole but not in part, for the Acquisition Termination Make-whole Amount (see prospectus for further information). If a Fundamental Change occurs on or before 9/15/2019, holders of the Preferred Stock will have the right to convert shares, in whole or in part, into common stock at the Fundamental Change Conversion Rate and will also receive a Fundamental Change Dividend Make-whole Amount (see prospectus for further information). Dividends paid by this preferred are eligible for a preferential income tax rate of 15% to a maximum of 20% depending on the holder's tax bracket (and under normal holding restrictions) and are also eligible for the dividends received deduction for corporate holders (see page S-74 of the prospectus for further information). This security was not rated by Moody’s or S&P at the time of its IPO. In regard to the payment of dividends and upon liquidation, the preferred shares rank junior to the company's senior debt, equally with other preferreds of the company, and senior to the common shares of the company. See the IPO prospectus for further information on the mandatory convertible preferred stock and their mandatory conversion provisions by clicking on the ‘Link to IPO Prospectus’ provided below.

Stock Exchange	Cpn Rate Ann Amt	LiqPref CallPrice	Call Date Matur Date	Moodys/S&P Dated	Conversion Shares@Price	Distribution Dates	15% Tax Rate
NYSE Chart	7.00% $3.5	$50.00 n.a.	Called for 8/17/2017 9/15/2019	NR NR 9/27/2016	1.5753@$31.74+ 1.8904@$27.16-	3/15, 6/15, 9/15 & 12/15 Click for MW ExDiv Date Click for Yahoo ExDiv Date	YES

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HOME PAGE:     http://www.greatplainsenergy.com/
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Inv Rel Email Address	calvin.girard@kcpl.com
General Email Address	ir@kcpl.com
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Address and Phone Numbers

Address:   1200 Main Street, Kansas City, MO 64106
Main Phone Number	816-556-2200
Fax Number	Not Available
Investor Relations   Calvin Girard	816-654-1777
Toll Free Phone Number	800-245-5275

CEO - Terry D. Bassham

CFO - Kevin Bryant