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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1143068	Great Plains Energy Inc	GXP	Electric Services (4911)	431916803

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1192316	J Michael Chesser	C/O Great Plains Energy Incorporated 1200 Main Street Kansas City MO 64105		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2012-12-27	685	$0.00	197,606	No	4	A	Direct
Common Stock	Disposition	2012-12-27	3,100	$20.04	194,506	No	4	S	Direct
Common Stock	Disposition	2012-12-28	3,100	$20.13	191,406	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	A	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	3,050	Indirect	401(k)

Footnotes

Director Shares acquired under the Long-Term Incentive Plan.
Amount includes 6 shares acquired between September 26, 2012, and December 27, 2012, through participation in the Company's Dividend Reinvestment and Direct Stock Purchase Plan.
The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 Sales Plan adopted by the reporting person on September 4, 2012.
Amount includes 32 shares acquired between September 26, 2012, and December 28, 2012, from automatic payroll deduction/investment and participation in the Company's 401(k) Plan.