Investor AB

Remuneration Information • Apr 29, 2008

Press Release

Stockholm, April 29, 2008

Hedging of long-term share-based remuneration program for employees, and synthetic shares as part of board remuneration, through repurchase of own shares in Investor AB

Investor AB hereby reports that the company repurchased 154,400 B-shares in Investor on April 28, 2008, at an average price of SEK 145 per share, in order to hedge the company's long-term share-based remuneration program for 2008, and synthetic shares as part of board remuneration, as approved by the 2008 Annual General Meeting.

In addition to the 154,400 repurchased B-shares, Investor holds 2,329,400 of its own B-shares that were repurchased earlier to hedge the 2006, 2007 and 2008 programs.

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:

Fredrik Lindgren, Vice President, Corporate Communications, Phone +46 8 614 20 31, +46 735 24 2031

Oscar Stege Unger, Vice President, Investor Relations, Phone +46 8 614 20 59, +46 70 624 2059

Our press releases can be accessed at www.investorab.com on the Internet.

Investor AB is the largest industrial holding company in the Nordic region. For almost a century, Investor's business concept has been to generate solid long-term returns by investing in companies with attractive potential for value creation. We are an active owner who applies our experience, knowledge and network to develop both listed and unlisted holdings and make them best-in-class. Investor conducts investment activities from Northern Europe, the United States and Asia.