RaySearch Laboratories

Report Publication Announcement • Mar 27, 2013

PRESS RELEASE STOCKHOLM, MARCH 27, 2013

RAYSEARCH'S 2012 ANNUAL REPORT PUBLISHED

As of today, the 2012 Annual Report of RaySearch Laboratories AB (publ) 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 Wednesday, May 22, 2013. 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 mainly sold through license agreements with leading partners such as Philips, Nucletron, IBA Dosimetry, Varian and Accuray. To date, 15 products have been launched through partners and RaySearch's software is used at over 2,000 clinics in more than 30 countries. In addition, RaySearch offers the proprietary treatment planning system RayStation® directly to clinics. RaySearch was founded in 2000 as a spin-off from Karolinska Institutet in Stockholm and the company is listed in the Small Cap segment on NASDAQ OMX Stockholm.

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

For further information, please contact: Anders Martin-Löf, CFO, RaySearch Laboratories AB Telephone: +46 (0)8-545 061 30 anders.martin-lof@raysearchlabs.com