Transactions of Managers and Closely Associated Persons

Attached is a copy of a filing with the Luxembourg Commission de Surveillance du Secteur Financier (CSSF) regarding transactions of managers and closely associated persons, announcing the acquisition of 10,133,333 shares in Alvotech by Celtic Lux Holdings S.a. r.l. (formerly known as Alvogen Lux Holdings S.a. r.l.) at a price of USD 3.75 per share. The date of the transaction was June 16, 2026. ALVOTECH INVESTOR RELATIONS Benedikt Stefansson, VP [email protected] Celtic Lux Holdings Managers' Transaction Notification 2026-06-22