Merck Warns Shareholders Against Unsolicited Mini-Tender Offer from Tutanota LLC.

Merck & Co. has urged shareholders to reject an unsolicited mini-tender offer from Tutanota LLC to purchase up to 1 million shares at $65.00, which is 24.66% below the closing price of $86.28 on November 7, 2025. The offer is subject to several conditions and is priced significantly below the current market value of Merck's stock. Merck emphasizes that it is not associated with Tutanota or its mini-tender offer and advises shareholders to refrain from tendering their shares.