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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
104207	Walgreen Co	WAG	Retail-Drug Stores And Proprietary Stores (5912)	361924025

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1188827	D Gregory Wasson	108 Wilmot Road Deerfield IL 60015	President And Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Walgreen Co. Common Stock	Acquisiton	2012-08-15	16,402	$34.75	319,755	No	4	M	Direct
Walgreen Co. Common Stock	Disposition	2012-08-15	16,402	$35.51	303,353	No	4	S	Direct
Walgreen Co. Common Stock	Disposition	2012-08-15	468	$35.56	0	No	4	I	Indirect	By spouse 401k

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct
No	4	I	Indirect	By spouse 401k

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2012-08-15	16,402	$0.00	16,402	$34.75

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2005-09-01	2012-09-01	No	4	M	Direct

Footnotes

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in October 2011.
The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.35 to $35.64, inclusive. The reporting person undertakes to provide to the SEC staff, the issuer, or any securityholder of the issuer, upon request, information regarding the number of shares sold at each price within the range indicated.
Includes shares received upon reinvestment of dividends and shares underlying Restricted Stock Units issued in lieu of dividends (through July 12, 2012) on outstanding Restricted Stock Units.