Invitation to Investor’s Annual General Meeting and release of first quarter results

Investor AB’s Annual General Meeting will be held Wednesday, April 14, 2010, at 3:00 pm at the City Conference Centre, Barnhusgatan 12-14, in Stockholm. Registration for the meeting will commence at 1:30 p.m. Representatives of the news media and analysts are welcome to attend the meeting. There will be opportunities for interviews immediately after the meeting ends. Please sign up for interviews at the press counter when you arrive. Please note that Investor’s interim report for the first quarter will be released for publication on the same day, Wednesday, April 14, 2010 at 12:00 noon. There will not be a separate press conference in connection with the first quarter report. If you would like to attend Investor AB’s Annual General Meeting, please call Helen Jönsson at +46 8 614 2046 or e-mail to the following address: helen.jonsson@investorab.com. 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