Genmab, listing of new shares 30 November 2007


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|                                      |          Copenhagen, 28 November 2007 |
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Genmab A/S - issue as a consequence of utilization of warrants                  

The share capital of Genmab will be increased by 13,611 new shares each bearing 
a face value of DKK 1. The listing will take effect on 30 November 2007.        

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| ISIN                      | Name                                             |
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| DK0010272202              | Genmab                                           |
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The capital increase has been registered with the Danish Commerce and Companies 
Agency.                                                                         

For further information, please see announcements from Genmab, e.g. announcement
of 21 November 2007.                                                            

For yderligere information kontakt: Asta Jepsen, Surveillance, tlf. 33 93 33 66 
ISIN: DK0010272202 (VP: 1027220)                                                

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| Name:                          | Genmab                                      |
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| Volume of shares before issue: | 44,506,216 shares (DKK 44,506,216)          |
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| Change:                        | 13,611 shares (DKK 13,611)                  |
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| Volume of shares after change: | 44,519,827 shares (DKK44,519,827)           |
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| Dividend:                      | Full for 2007                               |
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| Exercise price:                | 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                  |
|                                | 2,749 shares at DKK 224.00                  |
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| Face value:                    | DKK 1.00                                    |
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| Short name:                    | GEN                                         |
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| Share type:                    | AKTIE                                       |
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GENERAL INFORMATION                                                             

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| Name/bearer:                   | Bearer                                      |
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| Voting rights on listed        | Full                                        |
| shares:                        |                                             |
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| Financial year:                | 1 January - 31 December                     |
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| Unlisted capital:              | DKK 0                                       |
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| Capital increase registered:   | Yes                                         |
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| Issuing bank:                  | Danske Bank A/S                             |
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| Trading lot:                   | 50                                          |
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| CBR no.:                       | 21 02 38 84                                 |
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| GICS:                          | 35 20 10 10                                 |
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| Type:                          | 15                                          |
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Attachments

genmab - udnyt war 4 - uk.pdf