WEC ENERGY GROUP, INC. — Director's Dealing 2012

May 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WISCONSIN ENERGY CORP (WEC)
CIK: 0000783325
Period of Report: 2012-05-10

Reporting Person: DICKSON STEPHEN P (Vice President and Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-10	Common Stock	M	32050	$23.8775	Acquired	101822	Direct
2012-05-10	Common Stock	S	32050	$36.7844	Disposed	69772	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-10	Stock Option (right to buy)	$23.8775	M	32050	Disposed	2017-01-03	Common Stock (32050)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5278.461	Indirect

Footnotes

F1: This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.77 to $36.81, inclusive. The reporting person undertakes to provide to Wisconsin Energy Corporation ("WEC"), any security holder of WEC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2: Includes shares acquired under WEC's Employee Retirement Savings Plan ("ERSP") in transactions exempt from Section 16(b) pursuant to Rule 16b-3(c) and exempt from reporting pursuant to Rule 16a-3(f)(1)(i)(B). The number of shares in the ERSP attributable to any one participant varies with the price of the Common Stock. The information in this report is based on a plan statement dated as of April 30, 2012.

F3: This option was previously reported as covering 16,025 shares at an exercise price of $47.755 per share, but was adjusted to reflect the 2-for-1 stock split that occurred on March 1, 2011.