13D Filing: Walgreens Boots Alliance, Inc. Discloses Update to Amerisourcebergen Corp (ABC) Holding

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WALGREEN CO.

DIRECTORS

Unless otherwise noted, the
business address for each person listed below is c/o Walgreens Boots Alliance, Inc., 108 Wilmot Road, Deerfield, Illinois 60015. To the knowledge of WBA, all directors listed below are United States citizens except for Alexander Gourlay, who is a
citizen of the United Kingdom.

Richard Ashworth

Present Principal Occupation: President, Pharmacy and Retail Operations, Walgreen Co.

Alexander Gourlay

Present Principal Occupation:
Executive Vice President, Walgreens Boots Alliance, Inc. and President of Walgreen Co.

Mark A. Wagner

Present Principal Occupation: President, Business Operations, Walgreen Co.

OFFICERS

Unless otherwise noted, the
business address for each person listed below is c/o Walgreens Boots Alliance, Inc., 108 Wilmot Road, Deerfield, Illinois 60015. To the knowledge of WBA, all officers listed below are United States citizens, except for Alexander Gourlay, who is a
citizen of the United Kingdom.

Alexander Gourlay, President and Chief Executive Officer

Present Principal Occupation: Executive Vice President of Walgreens Boots Alliance, Inc. and President of Walgreen Co.

Richard Ashworth, President

Present Principal
Occupation: President, Pharmacy and Retail Operations, Walgreen Co.

Linda Filler, President

Present Principal Occupation: President, Retail Products and Chief Merchandising and Marketing Officer, Walgreen Co.

Mark A. Wagner, President

Present Principal Occupation:
President, Business Operations, Walgreen Co.

Abhi Dhar, Senior Vice President

Present Principal Occupation: Senior Vice President, Chief Information and Digital Officer, Walgreen Co.

Bradley M. Fluegel, Senior Vice President

Present
Principal Occupation: Senior Vice President, Chief Healthcare Commercial Market Development Officer, Walgreen Co.

Alan Nielsen, Senior Vice President

Present Principal Occupation: Senior Vice President, Chief Financial Officer and Treasurer, Walgreen Co.

Jan Stern Reed, Senior Vice President

Present Principal
Occupation: Senior Vice President, General Counsel and Secretary, Walgreens Boots Alliance, Inc.

Stevens J. Sainte-Rose, Senior Vice President

Principal Present Occupation: Senior Vice President and Chief Human Resources Officer, Walgreen Co.

Reuben E. Slone, Senior Vice President

Present Principal
Occupation: Senior Vice President, Supply Chain, Retail and Pharmacy Renewal, Walgreen Co.

Jason Dubinsky, Assistant Treasurer

Present Principal Occupation: Senior Vice President, CFO Planning and Central Operations, Walgreens Boots Alliance, Inc.

Amelia Legutki, Assistant Secretary

Present Principal
Occupation: Director/Tax Counsel and Assistant Secretary, Walgreen Co.

Collin Smyser, Assistant Secretary

Present Principal Occupation: Vice President and Assistant Corporate Secretary, Walgreens Boots Alliance, Inc.