Walgreens Infusion Services Named a Limited Network Home Infusion Provider for New Continuous Intravenous Infusion Therapy BLINCYTOâ„¢ (blinatumomab) Immunotherapy

PRESS RELEASE

DEERFIELD, Ill., January 15, 2015 - Walgreens today announced that, effective immediately, Walgreens Infusion Services will serve as a limited network home infusion provider for BLINCYTO

™

(blinatumomab), a therapy for the treatment of patients with Philadelphia chromosome-negative (Ph-) relapsed or refractory B-cell precursor acute lymphoblastic leukemia (ALL). BLINCYTO™ can now be obtained through and administered by Walgreens Infusion Services.

“Through our nationwide, community-based infusion services, we deliver comprehensive and collaborative patient care for those with complex conditions and we’re pleased to be able to provide home infusion services to appropriate patients requiring immunotherapy to treat this rare form of ALL,” said Paul Mastrapa, president, Walgreens Infusion Services.

Walgreens Infusion Services specially trained infusion nurses and pharmacists treat patients with a wide range of acute, chronic and rare conditions. As the nation’s largest provider of home and alternate treatment site infusion services, Walgreens Infusion Services has more than 90 infusion pharmacies and 110 alternate treatment sites across the country.

For more information about Walgreens Infusion Services, visit www.walgreens.com/pharmacy/infusion_services.

BLINCYTO™ carries a Boxed Warning. For full Prescribing Information on BLINCYTO™, visit

http://pi.amgen.com/united_states/blincyto/blincyto_pi_hcp_english.pdf.

About Walgreens

Walgreens (www.walgreens.com), the nation's largest drugstore chain, constitutes the Retail Pharmacy USA Division of Walgreens Boots Alliance, Inc. (Nasdaq: WBA), the first global pharmacy-led, health and wellbeing enterprise. More than 8 million customers interact with Walgreens each day in communities across America, using the most convenient, multichannel access to consumer goods and services and trusted, cost-effective pharmacy, health and wellness services and advice. Walgreens operates 8,229 drugstores with a presence in all 50 states, the District of Columbia, Puerto Rico and the U.S. Virgin Islands. Walgreens digital business includes Walgreens.com, drugstore.com, Beauty.com, SkinStore.com and VisionDirect.com. Walgreens also manages more than 400 Healthcare Clinic and provider practice locations around the country.