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                                  Elekta marks two millionth patient treated with Leksell Gamma Knife radiosurgery

                                  September 25, 2025

                                  STOCKHOLM – Elekta (EKTA-B.ST) today announces that more than two million patients worldwide have now received Leksell Gamma Knife® radiosurgery. The two millionth treatment was recently carried out at Karolinska University Hospital in Stockholm, Sweden.

                                  Since its invention by the late Professor Lars Leksell at Karolinska Hospital in the 1960s, Gamma Knife radiosurgery has provided a non-invasive, highly precise alternative to open brain surgery for patients with brain tumors, vascular malformations, and neurological disorders.

                                  Anne-Sofie Canskog was treated for a meningioma using Esprit, Elekta’s latest Gamma Knife. She said: “This was my second Gamma Knife treatment, so I knew what to expect. It was so much better than the open brain surgery I went through before. I’m grateful for this technology and the care I received – it’s given me hope for the future.”

                                  Anders Fytagoridis, Head of the Neurosurgery Department at Karolinska University Hospital added: “Karolinska has been at the heart of Gamma Knife innovation since the very beginning. Treating the two millionth patient is a proud moment for our team. For us, every patient’s story is unique – and this milestone highlights how Gamma Knife radiosurgery helps people receive precise, non-invasive care that allows them to return to daily life more quickly. Over the years, we have seen Gamma Knife radiosurgery transform outcomes for people with a wide range of brain conditions, offering hope and improved quality of life without the need for open surgery. We look forward to continuing this legacy of innovation and compassionate care.”

                                  With approximately 360 systems installed in more than 60 countries, Gamma Knife is the most clinically proven and well documented stereotactic radiosurgery device on the market, with three times more peer-reviewed journal articles published than all other technologies combined.* Every day, more than 450 people around the world receive Gamma Knife treatment for conditions ranging from brain tumors to trigeminal neuralgia.

                                  Caroline Leksell Cooke, Senior Vice President and Head of Neuro Solutions, Elekta and granddaughter of Professor Lars Leksell said: “This milestone is deeply personal for me and for everyone at Elekta. My grandfather’s vision was to give patients a gentler, more precise treatment option, and today, Gamma Knife continues to change lives for people with neurosurgical and oncological brain indications around the world. As we celebrate two million patients treated, we honor our legacy and look forward to bringing hope to millions more.”

                                  *Mitrasinovic et al. J Clin Neurosci. 2019 Jan;59:12–19 doi: 10.1016/j.jocn.2018.09.029

                                  # # #

                                  For further information, please contact:
                                  Mattias Thorsson, Vice President, Head of Corporate Communications
                                  Tel: +46 70 865 8012, e-mail: [email protected]  
                                  Time zone: CET: Central European Time

                                  Raven Canzeri, Global Director, Media Relations
                                  Tel: +1 770-670-2524, e-mail: [email protected]
                                  Time zone: ET: Eastern Time

                                  About Elekta
                                  As a leader in precision radiation therapy, Elekta is committed to ensuring every patient has access to the best cancer care possible. We openly collaborate with customers to advance sustainable, outcome-driven and cost-efficient solutions to meet evolving patient needs, improve lives and bring hope to everyone dealing with cancer. To us, it's personal, and our global team of 4,500 employees combine passion, science, and imagination to profoundly change cancer care. We don’t just build technology, we build hope. Elekta is headquartered in Stockholm, Sweden, with offices in more than 40 countries and listed on Nasdaq Stockholm. For more information, visit elekta.com.

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                                  Important Safety Information: Radiation therapy is not appropriate for all patients. Radiation treatments may cause side effects that can vary depending on the part of the body being treated. In some patients, they can be severe. Treatment sessions may vary in complexity and time. Refer to individual product labeling (instructions for use) for more complete information on product safety and effectiveness for its intended use.