Company Announcement COPENHAGEN, Denmark; May 21, 2024 – Genmab A/S (Nasdaq: GMAB). On March 15, 2024, Genmab announced the initiation of a share buy-back program to repurchase up to DKK 3.5 billion worth of shares. The share buy-back program is expected to be completed no later than December 16, 2024. The following transactions were executed under the program from May 13, 2024 to May 17, 2024: Trading PlatformNo. of sharesAverage price (DKK)Total value (DKK)Accumulated through last announcement