Transgene — Report Publication Announcement 2017

Sep 13, 2017

Strasbourg, France, September 13, 2017

Availability of the half-year financial report as of June 30, 2017

The Company announces that it has made available to the public and filed with the Autorité des marchés financiers its half-year financial report as of June 30, 2017. This report comprises the following documents:

• 1. 2017 interim financial statements
• 1. Financial highlights and management discussion and analysis
• 1. Statutory Auditors' report on the 2017 interim financial statements
• 1. Declaration by the person responsible for this interim financial report

The report can be consulted on the company's website at www.transgene.fr under the heading "Investors - Financial information".