Hedging of long-term share-based remuneration program for 2007 through repurchase of own shares in Investor AB

Investor AB (”Investor”) hereby reports that the company has purchased 700,000 B-shares in Investor today, April 18, 2007, within a price range of SEK 175.50 to SEK 177.00 per share in order to hedge the long-term share-based remuneration program approved by the Annual General Meeting for 2007.

In addition to the 700,000 repurchased B-shares, Investor holds 700,000 of its own shares that were purchased last year to hedge the 2006 long-term share-based remuneration program.

With today’s repurchased shares, Investor’s long-term share-based remuneration program for 2007 is now completely hedged.

The total number of shares in Investor amount to 767,175,030, of which 311,690,844 are class A shares and 455,484,186 class B shares.

INVESTOR AB

For further information:

Oscar Stege Unger, Acting Head of Corporate Communications and Investor Relations Manager, +46 8 614 20 59, +46 70 624 20 59