The Firm is representing McKesson Corporation (NYSE: MCK) in its announced acquisition of all outstanding shares of PSS World Medical, Inc. (NASDAQ: PSSI) for $29.00 per share in cash.  The transaction, including the assumption of PSS World Medical's outstanding debt, is valued at approximately $2.1 billion.  The transaction is subject to customary closing conditions, including regulatory clearances and approval of PSS World Medical's shareholders.~~~~McKesson, a top Fortune 500 company, is a healthcare services and information technology company dedicated to making the business of healthcare run better.  PSS World Medical, based in Jacksonville, Florida, markets and distributes medical products and services to front-line caregivers throughout the United States.~~~~The Simpson Thacher team includes Rob Spatt, Eric Swedenburg, Ravi Agarwal and Christopher Jackson (M&A); Joseph Kaufman (Capital Markets); Joyce Xu, Chris Vena and Solomon Bashi (Derivatives); David Rubinsky and Jennifer Pepin (Executive Compensation & Employee Benefits); Nancy Mehlman and Jodi Sackel (Tax); Peter Thomas, Conor Reidy and Bashiri Wilson (Regulatory); Krista McManus (Real Estate); Genevieve Dorment (IP); Julie Levy (Labor); and Adeeb Fadil (Environmental).