Utilization of authorization within Investor AB to repurchase own shares to hedge the company's long-term share-based remuneration program

Utilization of authorization within Investor AB to repurchase own shares to
hedge the company's long-term share-based remuneration program

The 2007 Annual General Meeting of Investor AB (“Investor”) approved the
proposal to authorize the Board of Directors to purchase the company's own
shares for the purpose of hedging Investor's long-term share-based remuneration
program for 2007. Investor hereby announces that the company's board has decided
to utilize the authorization for this purpose.
The shares will be purchased on the Stockholm Stock Exchange (Stockholmsbörsen)
at a price within the registered share price interval on each occasion.

Purchases can be made as of April 18, 2007 until next year's annual general
meeting. No acquisitions are intended to be made during a 30-day period prior to
the announcement of quarterly results, the day of announcement included.

Investor currently holds 700,000 own shares. The total number of outstanding
shares in Investor is 767,175,030 and the maximum number of shares intended to
be repurchased is 700,000.


INVESTOR AB

For further information:

Oscar Stege Unger, Acting Head of Corporate Communications and 
Head of Investor Relations, +46 8 614 20 59, +46 70 624 20 59 



Our press releases can be accessed at www.investorab.com on the Internet.

Investor is the largest industrial holding company in the Nordic region. For
almost a century, our business concept has been generate attractive long-term
returns by investing in companies with solid potential for value creation and
applying our experience, knowledge and network to make them best-in-class.
Investor is a leading shareholder in a number of multinational companies,
including SEB, Ericsson and Atlas Copco. Investor also conducts private equity
activities in the United States, Northern Europe and Asia.