The Firm represented the underwriters in connection with a public offering by UnitedHealth Group Incorporated (“UnitedHealth Group”) of $12 billion aggregate principal amount of its notes, consisting of $500 million aggregate principal amount of Floating Rate Notes due 2026, $650 million aggregate principal amount of 4.75% Notes due 2026, $1.25 billion aggregate principal amount of 4.8% Notes due 2030, $1.5 billion aggregate principal amount of 4.95% Notes due 2032, $2 billion aggregate principal amount of 5.150% Notes due 2034, $1.5 billion aggregate principal amount of 5.5% Notes due 2044, $2.75 billion aggregate principal amount of 5.625% Notes due 2054 and $1.85 billion aggregate principal amount of 5.75% Notes due 2064. The offering closed on July 25, 2024.~~UnitedHealth Group is a diversified health care and well-being company with a mission to help people live healthier lives and help make the health system work better for everyone.~~The Simpson Thacher team included Roxane Reardon, Patrick Baron and Nate Yang (Capital Markets); Jonathan Cantor and Shareef Salfity (Tax); Vanessa Burrows and Jake Madden (Healthcare); Bobbie Burrows, Linton Mann and Christian Bond (IP and Privacy); Karen Kazmerzak (Antitrust); and Jennie Getsin (Blue Sky).