Investor AB

Share Issue/Capital Change • Apr 24, 2013

Press release

Stockholm, April 24, 2013

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

The Annual General Meeting 2013 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 the authorization.

The transfer of own shares may take place on NASDAQ OMX Stockholm during the period from April 24, 2013, up to and including October 24, 2013 at a price within the from time to time registered price interval. Transfers will not be made during the thirtyday periods prior to ordinary quarterly reports, the day of the announcement included.

Investor currently owns 5,661,562 of its own B-shares and the maximum number of shares that may be transferred amounts to 1,500,000 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 is the leading owner of Nordic-based international companies, founded by the Wallenberg family a hundred years ago. We own significant minority or majority interests in high quality companies. Through our participation on the boards of directors, we work for continuous improvement of the performance of the companies. With our industrial experience, network and financial strength we strive to make our companies best-in-class. Our Core Investments include listed holdings Atlas Copco, SEB, ABB, Ericsson and the operating subsidiary Mölnlycke Health Care.