Investor AB

Remuneration Information • Aug 27, 2009

Press Release

Stockholm, August 27, 2009

Utilization of transfer authorization in Investor AB to secure costs for the Company's long-term variable remuneration program

The Annual General Meeting 2009 in Investor decided to authorize the Board to decide on the transfer of the Company's own shares in order to secure costs for Investor's long-term variable remuneration program. Investor hereby announces that the Company's Board has decided to utilize this authorization.

The transfer of previously repurchased shares may take place on the Stockholm Stock Exchange during the period from August 28, 2009 up until and including the Annual General Meeting 2010 at a price within the from time to time registered price interval. Transfers will not be made during the thirty day-periods prior to ordinary quarterly reports and the year-end report respectively, the day of the announcement included.

Investor currently owns 4,683,800 of its own B-shares and the maximum number of shares that may be transferred amounts to 762,000 B-shares.

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

Our press releases can be accessed at www.investorab.com

Investor AB is a Nordic-based industrial holding company founded almost one hundred years ago by the Wallenberg family. Today we have investment activities in Europe, the United States and Asia. The business concept is to generate attractive long-term returns for our shareholders by owning and developing companies with solid potential for value creation. We are an engaged owner and apply experience, knowledge and a unique network to develop listed and unlisted companies to make them best-in-class.