RaySearch Laboratories

Report Publication Announcement • Apr 20, 2009

PRESS RELEASE – STOCKHOLM, APRIL 20, 2009

RaySearch Laboratories 2008 Annual Report Published

As of today, RaySearch Laboratories 2008 Annual Report is available in Swedish as a pdf file on the company's website www.raysearchlabs.com. The printed version in Swedish is now under distribution to the shareholders. The English version is under production and will be finalized in conjunction with RaySearch´s Annual General Meeting on Tuesday, May 26, 2009. Printed annual reports can be ordered from the company, telephone +46 (0)8-545 061 30.

ABOUT RAYSEARCH

RaySearch Laboratories is a medical technology company that develops advanced software solutions for improved radiation therapy of cancer. RaySearch's products are sold through license agreements with leading partners such as Philips, Varian, Nucletron, IBA Dosimetry and TomoTherapy. Eight products have been released to date and RaySearch's software is used at over 1,300 clinics in more than 30 countries. In addition, existing license agreements cover more than 15 other products that are scheduled to be launched in the coming years. RaySearch was founded in 2000 as a spin-off from Karolinska Institutet in Stockholm and the company is listed in the SmallCap segment on the OMX Nordic Exchange Stockholm.

For more information about RaySearch, visit www.raysearchlabs.com.

FOR FURTHER INFORMATION, CONTACT:

Johan Löf, President and CEO, RaySearch Laboratories AB Telephone: +46 (0)8-545 061 30 johan.lof@raysearchlabs.com