To sell your shares, you may either visit www.oddlotprogram.com/GXP, call 1-866-912-9308 or mark the "SELL ALL MY SHARES" box, then sign and return the Acceptance Card in the envelope provided.

To purchase enough shares to reach exactly 100 shares, you must mark the "PURCHASE ADDITIONAL SHARES" box, sign the Acceptance Card and send in a check for the purchase deposit as indicated on the card payable to: COMPUTERSHARE. The purchase deposit is equal to $25 multiplied by the shares to be purchased. The difference between the actual purchase price, including the processing fee (described below), and the purchase deposit will either be refunded or billed.

On a weekly basis, ending on a Friday, shares submitted for sale will be matched to shares requested for purchase by other participating shareholders. The balance of shares not matched will be traded in the open market throughout the respective week and a few days afterward. A weighted average price will be determined by these market trades for the repsective week and that is the price shareholders will be paid or will pay. Weighted averaging means the per share price is obtained by dividing the aggregate dollar amount of all market sales (or purchases) on behalf of such participants during the respective week by the total number of shares sold (or purchased) on behalf of such participants during the respective week. To defray the cost of the program, a processing fee of $2.25 per share sold or purchased (up to a maximum of $40 per account) will be deducted from your proceeds or refund. The actual price cannot be guaranteed in advance.

Great Plains Energy common stock is listed on the NYSE and trades under the stock symbol "GXP." The closing price on September 9, 2009 was $17.75

As Paying Agent, Computershare Trust Company, N.A. will facilitate distribution of the sales proceeds or newly purchased shares and any refund check to your broker/bank, or to a broker depository for forwarding purposes, approximately ten business days after the Friday of the week in which your request is received in good order. Please allow time for the broker/bank to credit your account with the proceeds.

The program will expire on NOVEMBER 20, 2009, unless extended. Your authorization to participate is irrevocable and must be received in good order on or before that date. Acceptance Cards received after November 20, 2009 may fall under the terms of any extension period.