Major Shareholder Announcement

July 3, 2024

Attached is a filing with the Luxembourg Commission de Surveillance du Secteur Financier (CSSF) regarding a "notification of major holdings" in Alvotech by Aztiq Pharma Partners S.a r.l. and ATP Holdings ehf. On July 1, 2024 the shareholder acquired 2,587,089 additional ordinary shares in Alvotech by conversion of convertible bonds.