Reminder: Invitation to Investor AB’s Capital Markets Day

Representatives from the financial markets and the media are invited to attend Investor’s Capital Markets Day in Stockholm, Tuesday, May 18, 2010, from 08:45 a.m. The purpose of the Capital Markets Day is to present Investor’s strategy and activities within its three business areas; Core Investments, Operating Investments and Private Equity Investments. Speakers include Investor’s management and the CEOs of the major Operating Investments (see agenda on the next page). Venue: Grand Hôtel, Stockholm Attendance: If you would like to attend Investor’s Capital Markets Day, please contact Helen Jönsson, phone: +46 8 614 2046 or 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   Agenda 08:45-09:10 Registration and coffee 09:10-09:15 Grand Hôtel’s CEO Marie-Louise Kjellström 09:15-09:40 Börje Ekholm introduces Investor and its strategy 09:40-09:55 Johan Bygge, Financials 09:55-10:10 Lennart Johansson, Head of Operating Investments 10:10-10:45 3 Scandinavia 10:45-11:20 Swedish Orphan Biovitrum 11:20-11:40 Break 11:40-12:15 Johan Forssell, Head of Core Investments 12:15-12:30 Q&A 12:30-13:30 Lunch 13:30-14:20 Stephen Campe, Head of Investor Growth Capital 14:20-14:55 Gambro 14:55-15:30 CaridianBCT 15:30-16:00 Break 16:00-16:35 Lindorff 16:35-17:10 Mölnlycke Health Care 17:10-17:25 Börje Ekholm closing remarks 17:30-19:00 Mingle Speakers: Börje Ekholm President and CEO Johan Bygge CFO Johan Forssell Head of Core Investments Lennart Johansson Head of Operating Investments Stephen Campe Head of Investor Growth Capital Peder Ramel CEO 3 Scandinavia Martin Nicklasson CEO Swedish Orphan Biovitrum Thomas Glanzmann CEO Gambro David Perez CEO CaridianBCT Endre Rangnes CEO Lindorff Pierre Guyot CEO Mölnlycke Health Care