26 Nov 2025

Pfizer Completes $6 Billion Notes Offering

"Simpson Thacher represented the underwriters led by Citigroup, Deutsche Bank, J.P. Morgan and Mizuho in connection with Pfizer Inc.'s registered offering of $6 billion in Notes issued in seven series maturing 2027–2065. Proceeds are for general corporate purposes, including the acquisition of Metsera and refinancing existing indebtedness."

Simpson Thacher LLP represented the underwriters, led by Citigroup Global Markets Inc., Deutsche Bank Securities Inc., J.P. Morgan Securities LLC and Mizuho Securities USA LLC, in connection with Pfizer Inc.'s registered offering of securities; Pfizer acted as the issuer. Pfizer completed a registered offering of $6 billion in Notes issued in seven series with maturities ranging from 2027 to 2065. The proceeds of the offering are intended for general corporate purposes, including the acquisition of Metsera and the refinancing of existing indebtedness. Pfizer applies science and its global resources to discover, develop, manufacture, market, sell and distribute biopharmaceutical products worldwide to bring therapies to people that extend and significantly improve their lives. Simpson Thacher LLP represented the underwriters led by Citigroup Global Markets Inc., Deutsche Bank Securities Inc., J.P. Morgan Securities LLC and Mizuho Securities USA LLC with a team composed by: Joseph Kaufman (Capital Markets), Jonathan Ozner (Capital Markets), Joseph Hahn (Capital Markets), Shuhan Zhang (Capital Markets), Russell Light (Tax), Michael Mann (Tax), Corina Holland (IP), Isabella Gonzalez (IP), Toby Chun (Environmental), Shefain Islam (Environmental) and Jennie Getsin (Blue Sky).
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