Mainstay Medical Announces Board Change

Regulatory News:

Mainstay Medical International plc (“Mainstay” or the “Company”, Euronext Paris: MSTY.PA and Euronext Dublin: MSTY.IE), a medical device company focused on commercializing ReActiv8, an implantable restorative neurostimulation system designed to treat an underlying cause of disabling Chronic Low Back Pain, today announces that Dr Manus Rogan has decided to step down as a Non-Executive Director of the Company with immediate effect in order to concentrate on other commitments.

Dr Rogan has been a Board member of the Company since its IPO on Euronext Paris and Euronext Dublin in 2014. In 2012, Dr Rogan (as Managing Partner of Fountain Healthcare Partners) led the $20M Series B financing into Mainstay Medical Ltd. and the relocation of the Company’s head office from Minneapolis to Dublin. He also joined the board of Mainstay Medical Ltd. at that time.

Dr Oern Stuge, Chairman of the Board of Mainstay, said: “During his time as a director, Manus has seen Mainstay’s technology and business mature significantly to the point where we now have the ReActiv8-B study nearing completion and our commercialization strategy in Europe gaining traction. We thank him for his significant contribution to that journey and wish him every success in the future.”

Dr Rogan said: “I am proud of the progress Mainstay has made and believe the Company has a bright future. With a strong team in place and a clear roadmap for the commercialization of ReActiv8 internationally, now is a good time for me to step down to focus on earlier stage investments. I am fully supportive of Mainstay’s strategy and look forward to its continued success.”

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About Mainstay

Mainstay is a medical device company focused on commercializing an innovative implantable restorative neurostimulation system, ReActiv8, for people with disabling Chronic Low Back Pain (CLBP). The Company is headquartered in Dublin, Ireland. It has subsidiaries operating in Ireland, the United States, Australia, Germany and the Netherlands, and is listed on the regulated market of Euronext Paris (MSTY.PA) and the ESM of Euronext Dublin (MSTY.IE).

About Chronic Low Back Pain

One of the recognized root causes of CLBP is impaired control by the nervous system of the muscles that dynamically stabilize the spine in the low back, and an unstable spine can lead to back pain. ReActiv8 is designed to electrically stimulate the nerves responsible for contracting these muscles and thereby help to restore muscle control and improve dynamic spine stability, allowing the body to recover from CLBP.