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

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

Stockholm, April 28, 2008

Investor AB hereby reports that the company repurchased 350,000 B shares in
Investor on April 25, 2008, at an average price of SEK 143 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 350,000 repurchased B-shares, Investor holds 1,979,400 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.