Copenhagen, Denmark; November 21, 2007 – Genmab A/S (OMX: GEN) has decided to increase its share capital by 13,611 shares as a consequence of the exercise of employee warrants.

The increase is effected without any preemption rights for the existing shareholders of the company or others. The shares are subscribed in cash at the following prices per share of nominally DKK 1: 1,000 shares at DKK 37.00, 1,200 shares at DKK 86.00, 2,850 shares at DKK 89.50, 3,687 shares at DKK 101.00, 1,125 shares at DKK 114.00, 1,000 shares at DKK 173.00 and 2,749 shares at DKK 224.00. Proceeds to the company are approx. DKK 1.7 million (approx. TUSD 335). The increase corresponds to approx. 0.03 % of the company’s share capital.

The new shares are ordinary shares without any special rights and are freely transferable negotiable instruments. The new shares shall give rights to dividends and other rights in relation to the company as of subscription, i.e. inter alia full rights to dividends for the financial year 2007. The new shares will be listed on the OMX Nordic Exchange Copenhagen A/S after registration with the Danish Commerce and Companies Agency. Genmab A/S’ current share capital amounts to DKK 44,506,216 and will after the capital increase be DKK 44,519,827. The capital increase is expected to be finalized shortly.