RaySearch Laboratories AB (publ) Interim Report January 1 – June 30, 2004

• Net sales totaled SEK 20.5m (18.5) between January and June 2004 • Net profit was SEK 6.5m (7.2) during the period • Earnings per share after tax reached SEK 0.62 (0.68) • Operating profit totaled SEK 9.1m (10.2) • Major initiatives in research and development • Leading radiation therapy center in Europe orders 14 systems each of RayOptimizer, RayMachine, and RayBiology • The partnership with Nucletron is making good progress; first product extremely well received during a preview at the most important industry meeting of the year • Ola Enarson was appointed as new Chief Financial Officer in August For more information, please contact: Johan Löf CEO, RaySearch Laboratories AB Phone: +46 (0)8-545 061 30 johan.lof@raysearchlabs.com