WilmerHale advised Thermo Fisher Scientific Inc. (NYSE: TMO) (“Thermo Fisher”) in connection with the offering by Thermo Fisher Scientific (Finance I) B.V. (“Thermo Fisher International”), an indirect, wholly-owned finance subsidiary of Thermo Fisher, of €1,000,000,000 aggregate principal amount of Floating Rate Senior Notes due 2027 (the “Floating Rate Notes”) and €1,100,000,000 aggregate principal amount of 3.628% Senior Notes due 2035 (the “Fixed Rate Notes” and, together with the Floating Rate Notes, the “Notes”). All of Thermo Fisher International’s obligations under the Notes are fully and unconditionally guaranteed by Thermo Fisher on a senior unsecured basis. The offering priced on November 24, 2025, and closed on December 1, 2025. The lead managers for the offering were Barclays Bank PLC, BNP PARIBAS, HSBC Continental Europe, and Morgan Stanley & Co. International plc.
The WilmerHale team advising Thermo Fisher on the offering consisted of Molly Fox, Andrew Langworthy, Rachael Joseph, and Whitley Horning (Capital Markets), with assistance from Meghan Walsh and Ben Kelsey (Tax).