Updated Invitation for Investor AB

Invitation to the Media and Capital Markets In conjunction with the release of Investor AB's year-end report for 2001, representatives of the press and capital markets are hereby invited to a presentation with Marcus Wallenberg, President and Chief Executive Officer, Börje Ekholm, Head of New Investments and Lars Wedenborn, Chief Financial Officer. Date: Thursday, January 24, 2002 Time: 10.00 AM CET Venue: Operaterrassen in Stockholm The conference is being held in collaboration with "financialhearings.com." For those who are unable to attend, the proceedings may be followed live via teleconference by calling +44 (0)20 8240 8242, or via the Internet at www.investorab.com or www.financialhearings.com . Following the conference, an instant replay will be available for 48 hours on +44 (0)20 8288 4459, access code: 646622. The webcast will be available later the same day at www.investorab.com. If you plan to attend the conference, please e-mail Gunilla Hedqvist at the following address: gunilla.hedqvist@investorab.com The year-end report is expected to be released around 8.00 a.m. the same day. Nils Ingvar Lundin, Managing Director, Corporate Relations Fredrik Lindgren Vice President, Investor Relations ------------------------------------------------------------ This information was brought to you by Waymaker http://www.waymaker.net The following files are available for download: http://www.waymaker.net/bitonline/2002/01/18/20020118BIT00600/bit0001.doc http://www.waymaker.net/bitonline/2002/01/18/20020118BIT00600/bit0001.pdf