NASDAQ STOCKHOLM WELCOMES WILSON THERAPEUTICS TO THE MAIN MARKET

Stockholm, May 12, 2016 — Nasdaq (Nasdaq: NDAQ) announced that Wilson Therapeutics AB (short name: WTX), a mid cap company within the health care sector, has started trading of its shares on the main market of Nasdaq Stockholm. Wilson Therapeutics is the 26^th company to list at Nasdaq’s Nordic markets* in 2016.

Wilson Therapeutics is a biopharmaceutical company, based in Stockholm, Sweden, focused on developing novel therapies addressing unmet, medical needs in rare diseases. The company is committed to the development of its lead product, Decuprate, which is initially developed as a new treatment for Wilson Disease. Wilson Disease is a rare, genetic disease that causes serious copper poisoning, affecting approximately one in every 30 000 people worldwide. For more information, please visit www.wilsontherapeutics.com

“The listing on the Stockholm Stock Exchange is a significant milestone in the Company’s development history,” said Jonas Hansson, CEO of Wilson Therapeutics. “We are very pleased that we have secured the financing to continue to develop Decuprate all the way to the market with the goal of offering patients with Wilson Disease a novel therapy that addresses the large medical need that exists.”

“We are excited to welcome Wilson Therapeutics to the Nasdaq Stockholm main market,” said Adam Kostyál, senior vice president and head of European listings at Nasdaq. “Wilson Therapeutics joins our strong and growing health care sector, and we look forward to supporting them on their journey as a publicly traded company.”

*Main markets and Nasdaq First North at Nasdaq Copenhagen, Nasdaq Helsinki, Nasdaq Iceland and Nasdaq Stockholm.

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