Walgreens Boots Alliance Exercises Warrants to Purchase AmerisourceBergen Shares

DEERFIELD, Ill.–(BUSINESS WIRE)–Walgreens Boots Alliance, Inc. (Nasdaq: WBA) today announced that it has
exercised warrants to purchase 22,696,912 shares of AmerisourceBergen
Corporation (NYSE: ABC) common stock for an aggregate payment of
approximately $1.17 billion. The transaction was funded using existing
cash on hand.

After today’s exercise of these warrants, Walgreens Boots Alliance now
owns 34,157,955 shares of AmerisourceBergen common stock, or 14.97
percent of AmerisourceBergen’s outstanding equity (based on shares
outstanding as of 31 January 2016, adjusted to give effect to the
exercise of these warrants). Walgreens Boots Alliance also continues to
hold warrants to purchase an additional 22,696,912 shares of
AmerisourceBergen common stock, which Walgreens Boots Alliance has the
right to exercise beginning in March 2017.

Following today’s exercise of these warrants, Walgreens Boots Alliance
intends to account for its investment in AmerisourceBergen using the
equity method of accounting, subject to a two-month lag, with the net
earnings attributable to its investment being classified within the
operating income of the company’s Pharmaceutical Wholesale segment.

Notes to Editors:

About Walgreens Boots Alliance

Walgreens Boots Alliance (Nasdaq: WBA) is the first global pharmacy-led,
health and wellbeing enterprise.

The company was created through the combination of Walgreens and
Alliance Boots in December 2014, bringing together two leading companies
with iconic brands, complementary geographic footprints, shared values
and a heritage of trusted health care services through pharmaceutical
wholesaling and community pharmacy care, dating back more than 100 years.

The company employs over 370,000* people and has a presence in more than
25* countries; it is the largest retail pharmacy, health and daily
living destination in the USA and Europe. Including its equity method
investments, Walgreens Boots Alliance is a global leader in
pharmacy-led, health and wellbeing retail with over 13,100* stores in
11* countries. The company includes one of the largest global
pharmaceutical wholesale and distribution networks with over 350*
distribution centers delivering to more than 200,000** pharmacies,
doctors, health centers and hospitals each year in 19* countries. In
addition, Walgreens Boots Alliance is one of the world’s largest
purchasers of prescription drugs and many other health and wellbeing
products.

Its portfolio of retail and business brands includes Walgreens, Duane
Reade, Boots and Alliance Healthcare, as well as increasingly global
health and beauty product brands, such as No7, Botanics, Liz Earle and
Soap & Glory. More company information is available at www.walgreensbootsalliance.com.

* As at 31 August 2015 including equity method investments

** For 12 months ended 31 August 2015 including equity method
investments

(WBA-GEN)

Cautionary Note Regarding Forward-Looking Statements: All
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. These forward-looking
statements are not guarantees of future performance and involve risks,
assumptions and uncertainties, including those described in Item 1A
(Risk Factors) of our Form 10-K for the fiscal year ending 31 August
2015, 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. These forward-looking statements speak only as of the date
they are made. Except to the extent required by law, we do not
undertake, and expressly disclaim, any duty or obligation to update
publicly any forward-looking statement after the date of this release,
whether as a result of new information, future events, changes in
assumptions or otherwise.

Contacts

Walgreens Boots Alliance, Inc.
Media Relations
USA /
Jim Cohn
+1 847 315 2950
or
International / Laura Vergani
+44
(0)207 980 8585
or
Investor Relations
Gerald
Gradwell and Ashish Kohli
+1 847 315 2922