The Walgreen pharmacy chain will begin filling prescriptions from customers in the Express Scripts network again starting in September under a new multiyear contract that ends a costly impasse between the companies.

2. Walgreen to Spend $6.7B on Alliance Boots Stake - Wednesday, June 20, 2012

Walgreen Co. will pay $6.7 billion in cash and stock to buy a stake in European health and beauty retailer Alliance Boots, a deal that would give global clout to a U.S. drugstore chain struggling with slipping sales in its home market.

3. Walgreen Pushes to Keep Express Scripts Clients - Monday, January 02, 2012

INDIANAPOLIS (AP) – Walgreen CEO Greg Wasson said Friday chances are probably "slim to none" that the drugstore operator will reach an agreement with pharmacy benefits manager Express Scripts before their current contract ends Saturday.

4. Walgreen Q1 Profit Drops on Express Scripts Fight - Thursday, December 22, 2011

NEW YORK (AP) – Drugstore operator Walgreen Co.'s fiscal first-quarter earnings fell more than 4 percent due in part to a slow flu season and its decision to leave the Express Scripts Inc. pharmacy network next month.

5. Walgreen Fiscal Q2 Profit Climbs but Shares Tumble - Wednesday, March 23, 2011

INDIANAPOLIS (AP) – Walgreen Co. said Tuesday its fiscal second-quarter earnings climbed 10 percent, but company shares tumbled after results were released and analysts said they expected more from the largest U.S. drugstore operator.

6. Walgreen Q2 Profit Rises With Prescription Sales - Wednesday, March 24, 2010

NEW YORK (AP) – Walgreen Co., the largest U.S. drugstore chain, reported Tuesday that even while the flu season has tapered off dramatically in the last few months, its profit rose 4.5 percent during the fiscal second quarter on a boost in prescription drug sales.