Copenhagen, Denmark; April 28, 2008 - Genmab A/S (OMX: GEN) announces under reference to Section 29 of the Danish Securities Trading Act that The Goldman Sachs Group, Inc. has informed us that their ownership in Genmab A/S as of April 23, 2008 consists of 697,903 shares, which is 1.57% of the total shares in the Company.