Investor AB

Report Publication Announcement • Jan 13, 2010

Stockholm, January 13, 2010

Invitation to the Media and Capital Market in conjunction with the release of Investor AB's Year-End Report 2009

Press and Analyst Meeting

The meeting will be held in Stockholm on Thursday, January 21, 2010, at 10:30 a.m. CET at Arsenalsgatan 8C. President and CEO Börje Ekholm and CFO Johan Bygge will present the Year-End Report for 2009.

The press conference will be in English and webcasted through our website www.investorab.com where you also can ask questions. If you prefer to listen to the presentation, please call +44 203 043 24 36, +1 866 458 40 87 or +46 8 505 598 53.

The presentation material will be published on our website after the meeting, where you can also view and listen to the proceedings of the conference afterwards on-demand.

To participate in the press and analyst meeting, please e-mail Helen Jönsson at helen.jonsson@investorab.com or call +46 8 614 2046.

The report is expected to be released around 8:15 a.m. CET the same day.

Welcome!

Oscar Stege Unger, Head of Corporate Communications: +46 8 614 2059, Mobile: +46 70 624 2059

Magnus Dalhammar, Investor Relations Manager: +46 8 614 2130, Mobile: +46 73 524 2130

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

Investor AB is the largest industrial holding company in Northern Europe. For almost a century, Investor's business concept has been to generate solid long-term returns by investing in companies with attractive potential for value creation. We are an active owner who applies our experience, knowledge and network to develop both listed and unlisted holdings and make them best-in-class. Investor conducts investment activities from Northern Europe, the United States and Asia.