Item 4. Mine Safety Disclosures

Not applicable.

Executive Officers of the Registrant

The following is a list of our executive officers as of July 31, 2014:

The business experience summaries provided below for our executive officers describe positions held during the last five years (unless otherwise indicated).

Mr. Barrett has served as Chairman and Chief Executive Officer since August 2009. From January 2008 to August 2009, he served as Vice Chairman of Cardinal Health and Chief Executive Officer, Healthcare Supply Chain Services.

Mr. Henderson has served as Chief Financial Officer since May 2005. In June 2014, we announced that Mr. Henderson has decided to retire from the company. To ensure an orderly transition, he will remain with the company until August 2015 and will step down as Chief Financial Officer when we name a successor to that role.

Mr. Kaufmann has served as Chief Executive Officer, Pharmaceutical segment, since August 2009. From April 2008 until August 2009, he served as our Group President, Pharmaceutical Supply Chain.

Mr. Casey has served as Chief Executive Officer, Medical segment, since April 2012. Before joining us, he served as Chief Executive Officer of the Gary and Mary West Wireless Health Institute, a non-profit research organization focused on lowering the cost of healthcare through novel technology solutions, from March 2010 to March 2012. Prior to that, he served as World Wide Franchise Chairman, Comprehensive Care at Johnson & Johnson, a developer and manufacturer of health care products, from 2007 to 2009.

Mr. Morford has served as Chief Legal and Compliance Officer since May 2009.

Ms. Watkins has served as Chief Human Resources Officer since 2000.

Mr. Blake has served as Executive Vice President, Strategy and Corporate Development since October 2009. From August 2006 until October 2009, he held various business development positions with Medco Health Solutions, Inc., a pharmacy benefits management services company, including Vice President, Business Development and Senior Director, Business Development.

Mr. Falk has served as Executive Vice President, General Counsel and Corporate Secretary since May 2009.

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