PRESS RELEASE Stockholm, October 19, 2005 The Japanese Ministry for Health, Labor and Welfare, MHLW, has given approval of Leksell Gamma Knife® 4C, the latest generation of Elekta’s world leading technology for non-invasive intracranial radiosurgery.

Leksell Gamma Knife holds a strong position on the Japanese market. Following the regulatory approval from the Japanese authorities, Gamma Knife centers in Japan will be able to upgrade to the most advanced modality for treatment of brain tumors, vascular malformations and functional disorders. “This approval is of great benefit to our customers in Japan, since many have been waiting to incorporate PET and MEG images into their treatments for some time now. Only Elekta can offer this type of seamless integration,” said Motohiko Kimura, Elekta Marketing Manager in Japan. Leksell Gamma Knife 4C The new features in Leksell Gamma Knife 4C are designed to improve workflow, increase accuracy and provide integrated imaging capabilities. The integrated imaging, powered by Leksell GammaPlan® 4C with MultiView™, offers users an unprecedented ability to integrate images from multiple sources to achieve the most accurate treatment capability ever. Using Leksell Gamma Knife 4C, physicians can visualize and analyze the target in three dimensions and real time. The 4C version is already approved and sold in Europe and in the U.S. Gamma Knife® surgery Gamma Knife surgery is a non-invasive method for treating brain disorders, delivering a single, high dose of radiation to a small and critically located intracranial volume through the intact skull. After Gamma Knife® surgery, the patient normally leaves the hospital the same or the following day, making it a very cost effective alternative to open surgery. Since its introduction, Leksell Gamma Knife has revolutionized the treatment of brain disorders. Today, this treatment is offered by hundreds of leading hospitals and clinics around the world. Over 40,000 patients undergo Gamma Knife® surgery every year, and this unique procedure has earned an outstanding scientific track record with thousands of peer reviewed articles on treatment efficacy, improved quality of life for patients and cost efficiency. ******

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Elekta is proud to be the leading innovator of equipment and software used to improve, prolong and save the lives of people with cancer and brain disorders. Our advanced, effective solutions are created in collaboration with customers, and more than 6,000 hospitals worldwide rely on Elekta technology. Our treatment solutions and oncology informatics portfolios are designed to enhance the delivery of radiation therapy, radiosurgery and brachytherapy, and to drive cost efficiency in clinical workflows. Elekta employs 3,600 people around the world. Headquartered in Stockholm, Sweden, Elekta is listed on NASDAQ Stockholm. www.elekta.com


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