Change in number of shares in Wilson Therapeutics

The number of shares and votes in Wilson Therapeutics AB (publ) has changed as a
result of the new issue of shares that was made based on the over-allotment
option granted in connection with the listing of the company’s shares on Nasdaq
Stockholm. Today, the last trading day of the month, there are in total
25,720,248 shares and votes in Wilson Therapeutics.

About Wilson Therapeutics
Wilson Therapeutics is a biopharmaceutical company, based in Stockholm, Sweden,
that develops novel therapies for patients with rare diseases. Wilson
Therapeutics’ lead product, Decuprate®, is initially being developed as a novel
treatment for Wilson Disease and is currently being evaluated in a Phase II
clinical study. Wilson Therapeutics is listed in the Mid Cap segment on Nasdaq
Stockholm with the stock ticker WTX.

Visit www.wilsontherapeutics.com for more information.

For further information contact:
Anders Martin-Löf, CFO, Wilson Therapeutics AB
Telephone: +46 8 796 00 00
Email: anders.martin-lof@wilsontx.eu

Wilson Therapeutics AB (publ)
Org nr 556893-0357
Västra Trädgårdsgatan 15
SE-111 53 Stockholm

The information in the press release is such that Wilson Therapeutics is
required to disclose publicly in accordance with the Swedish Financial
Instruments Trading Act. The information was submitted for publication on June
30, 2016 at 8.00 a.m.