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November 21, 2025

Willkie advised the underwriters in a registered public offering of $600,000,000 4.750% Senior Notes due 2031 of AptarGroup, Inc. (NYSE: ATR), a global leader in the design and manufacturing of drug and consumer product dosing, dispensing and protection technologies. 

The transaction was led by partner Eddie Best with associates Katelyn Merick and Qingqing (Chelsea) Zheng. Partners Christopher Peters and Isaac Silverstein and associate Alexandra Haver provided tax advice.