21 June 2012

DEERFIELD, Ill., June 21, 2012 - Walgreen Co. (NYSE, NASDAQ: WAG) today announced it will hold an investor meeting featuring Walgreen and Alliance Boots executives from 10 a.m. to noon on Friday, June 22. The meeting will be simulcast through Walgreens investor relations website at: http://investor.walgreens.com. A replay of the meeting will be archived on the website for 12 months after the event. A podcast also will be available on the investor relations website.

For further information about attending the meeting in person, contact Lisa Meers of Walgreens investor relations at lisa.meers@walgreens.com

Statements made in the investor meeting that are not historical, including, without limitation, statements regarding the pharmacy benefit selling season, cost reduction initiatives, retained Express Scripts and/or Medco business, network participation, and the pending agreement with Alliance Boots, any of the transactions contemplated thereby and their possible effects, are forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Words such as "expect," “likely,” “outlook,” “forecast,” “would,” “could,” “should,” “can,” “will,” “project,” “intend,” “plan,” “goal,” “continue,” “sustain,” “synergy,” “on track,” “believe,” “seek,” “estimate,” “anticipate,” “may,” “possible,” “assume,” variations of such words and similar expressions are intended to identify such forward-looking statements. These forward-looking statements are not guarantees of future performance and involve risks, assumptions and uncertainties, including, but not limited to, changes in economic and market conditions, competition, risks associated with new business areas and activities, changes in vendor, payer and customer relationships, the availability and cost of real estate and construction, risks associated with acquisitions and strategic investments, including our ability to satisfy the closing conditions and consummate the proposed transactions with Alliance Boots and related financing matters on a timely basis or at all, risks relating to our ability to realize anticipated synergies and achieve anticipated financial results; risks associated with international business operations, the ability to realize anticipated results from capital expenditures and cost reduction initiatives, outcomes of legal and regulatory matters, and changes in legislation or regulations. These and other risks, assumptions and uncertainties are described in Item 1A (Risk Factors) of our most recent Annual Report on Form 10-K and Quarterly Report on Form 10-Q, each of which is incorporated herein by reference, and in other documents that we file or furnish with the Securities and Exchange Commission. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those indicated or anticipated by such forward-looking statements. Accordingly, you are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date they are made. Except to the extent required by law, Walgreens does not undertake, and expressly disclaims, any duty or obligation to update publicly any forward-looking statement after the investor meeting, whether as a result of new information, future events, changes in assumptions or otherwise.

Contact(s)

Walgreen Co.
Media Contact:
Michael Polzin, 847-315-2920
or
Investor Contacts:
Rick Hans, 847-315-2385
Lisa Meers, 847-315-2361
http://news.walgreens.com