On April 20, 2026 Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) reported will webcast management participation as follows:

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• BofA Securities Health Care Conference 2026 at 10:00 a.m. PT (1:00 p.m. ET) on Tuesday, May 12, 2026

• Goldman Sachs 47th Annual Global Healthcare Conference at 2:00 p.m. ET on Monday, June 8, 2026

The sessions may be accessed from the "Investors & Media" page of Regeneron’s website at View Source Replays and transcripts of the webcasts will be archived on the Company’s website for at least 30 days.

(Press release, Regeneron, APR 20, 2026, View Source [SID1234664552])