Walgreens September Sales Decrease 7.8 Percent

October 3, 2012

DEERFIELD, Ill., Oct. 3, 2012 - Walgreens (NYSE, Nasdaq: WAG) had September sales of $5.48 billion, a decrease of 7.8 percent from $5.94 billion for the same month in fiscal 2012.

Total front-end sales decreased 0.4 percent compared with the same month in fiscal 2012, while comparable store front-end sales decreased 1.5 percent. Customer traffic in comparable stores decreased 2.3 percent while basket size increased 0.8 percent.

Prescriptions filled at comparable stores decreased by 10.3 percent in September and by a day-fall adjusted (DFA) 6.8 percent. This year's September had one additional Saturday and Sunday and one fewer Thursday and Friday compared with September 2011, negatively impacting prescriptions filled in comparable stores by 3.5 percentage points. Prescriptions filled at comparable stores also were negatively impacted by 0.4 percentage point due to fewer flu shots versus last year and were positively impacted by 0.1 percentage point due to the higher incidence of flu in this year's September.

September pharmacy sales decreased 12.3 percent, while comparable store pharmacy sales decreased 16.1 percent. Calendar day shifts negatively impacted pharmacy sales in comparable stores by 3.5 percentage points. Comparable store pharmacy sales were negatively impacted by 8.4 percentage points due to generic drug introductions in the last 12 months. Pharmacy sales accounted for 63.7 percent of total sales for the month.

Flu shots administered at pharmacies and clinics season-to-date were nearly 1.5 million versus approximately 1.8 million last year.

Sales in comparable stores decreased by 11.1 percent in September. Calendar day shifts negatively impacted total comparable sales by 2.2 percentage points, while generic drug introductions in the last 12 months negatively impacted total comparable sales by 5.3 percentage points.

Registrations for Walgreens Balanceā„¢ Rewards loyalty program, which launched on Sept. 16, totaled nearly 13 million in September.

Calendar year-to-date sales were $51.96 billion, a decrease of 3.8 percent from $53.99 billion in 2011.

Walgreens opened 15 stores during September, including two relocations.

At Sept. 30 excluding its acquisition of USA Drug, Walgreens operated 8,400 locations in all 50 states, the District of Columbia, Puerto Rico and Guam. That includes 7,944 drugstores, 167 more than a year ago. The company also operates infusion and respiratory services facilities, specialty pharmacies and mail service facilities. Its Take Care Health Systems subsidiary manages more than 700 in-store convenient care clinics and worksite health and wellness centers.

Please note: Sales numbers and the adjustments shown in the table are preliminary, unaudited and subject to revision. Comparable stores are defined as those drugstore locations open for at least 12 consecutive months without closure for seven or more consecutive days and without a major remodel or a natural disaster in the past 12 months. Acquired operating locations and relocations are not included as comparable stores for the first 12 months after the acquisition or relocation.

Cautionary Note Regarding Forward-Looking Statements: Statements in this release that are not historical 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," and 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, those described in Item 1A (Risk Factors) of our most recent Annual Report on Form 10-K and Quarterly Report on Form 10-Q, as amended, 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 date of this report, whether as a result of new information, future events, changes in assumptions or otherwise.