Invitation to press conference and teleconference in connection with Investor AB's and EQT's public tender offer to Gambro shareholders

Press conference
Today, Monday, April 3 at 4.00 p.m. CET, Investor and EQT will present their public tender offer to Gambro's shareholders. The press conference will take place in the Kammarsalen room at Berns (Berzelii Park, Stockholm) and will be held in Swedish. Investor will be represented by Börje Ekholm and Lennart Johansson. EQT will be represented by Conni Jonsson and Thomas von Koch.

Presentation material will be made available at www.investorab.com and www.eqt.com after the conclusion of the press conference.

You can also call in and listen to the press conference. To register for the conference, you should preferable use the following link: http://eventreg2.conferencing.com/inv/reg.html?Acc=364466&Conf=169889, or you can also call directly to +46 8 505 201 14 well in advance of the starting time of press conference.

Webcast teleconference
The presentation of the public tender offer to Gambro shareholders will be presented in English on Monday, April 3 at 6.00 p.m. CET, in a webcast teleconference. Investor will be represented by Börje Ekholm and Lennart Johansson. EQT will be represented by Conni Jonsson and Thomas von Koch.

To participate and listen to the webcast teleconference on your computer, go to the following link: http://eventreg2.conferencing.com/inv/reg.html?Acc=364466&Conf=169872. You can also participate by calling the following phone numbers at least 15 minutes before the start of the teleconference:
Sweden: +46 (0) 8 505 201 14
United States: +1 334 323 6203
United Kingdom: +44 207 162 0125

To listen to the teleconference on the Web, go to the following link:
http://events.webeventservices.com/tbc/2006/04/03/

You can also listen to a recording of the webcast teleconference afterwards at www.investorab.com and www.eqt.se.

For questions about the press conference or teleconference, please contact: Helen Jönsson, helen.jonsson@investorab.com, +46 (0) 8 614 2046