Notice of Annual General Meeting of Shareholders, April 14, 2010

In accordance with the listing agreement with NASDAQ OMX Stockholm AB, Investor AB hereby announces, by issuing a press release, the content of the notice concerning Investor’s Annual General Meeting on April 14, 2010, and the complete proposal from the Board of Directors on guidelines for salary and other remuneration for the President and other members of the Management and on a long-term variable remuneration program for Management and other employees. The Notice of the Annual General Meeting will be published in the Official Swedish Gazette (Post- och Inrikes Tidningar), Dagens Nyheter, and Svenska Dagbladet on Friday March 12. Attachment: - Notice of Investor’s Annual General Meeting 2010 - Proposal from the Board of Directors regarding guidelines for salary and other remuneration for the President and other Members of the Management Group and on a Long-term Variable Remuneration Program For further information: Oscar Stege Unger, Head of Corporate Communications, Phone +46 8 614 2059, +46 70 624 2059 Magnus Dalhammar, Investor Relations Manager, Phone +46 8 614 2130, +46 735 24 2130