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

The Annual General Meeting 2012 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 May 8, 2012, up to and including November 8, 2012 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, the day of
the announcement included.

Investor currently owns 6,669,158 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:

Magnus Dalhammar, Acting Head of Corporate Communications, Phone 46 8 614 2130,
46 73 524 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 cash flow allows us to support
strategic initiatives in our companies, capture investment opportunities and
provide our shareholders with a dividend. Our Core Investments include listed
holdings Atlas Copco, ABB, SEB, Ericsson and the operating subsidiary Mölnlycke
Health Care.