Reminder: Invitation to Investor AB’s Capital Markets Day

Regulatory News:

Investor AB (STO:INVEA)(STO:INVEB) (LSE:INU):

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

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

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

Investor AB is a Nordic-based industrial holding company founded almost one hundred years ago by the Wallenberg family. Today we have investment activities in Europe, the United States and Asia. The business concept is to generate attractive long-term returns for our shareholders by owning and developing companies with solid potential for value creation. We are an engaged owner and apply experience, knowledge and a unique network to develop listed and unlisted companies to make them best-in-class.

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