Ad hoc Releases

Disclosure of Shareholdings

Zurich, Switzerland, July 24, 2018 – Gurit (SIX Swiss Exchange: GUR) today announced that according to a notification received on July 23, 2018, Martin Bisang, 8700 Küsnacht, Switzerland, has increased his stake in Gurit and now holds since a purchase on July 23, 2018 through Whale Holding AG and Whale Ventures AG, Zug, a total of 66,000 shares equaling 10% of the voting rights in Gurit Holding AG.

About Gurit:

The companies of Gurit Holding AG, Wattwil/Switzerland, (SIX Swiss Exchange: GUR) are specialized on the development and manufacture of advanced composite materials, related technologies and select finished parts and components. The comprehensive product range comprises fibre reinforced prepregs, structural core products, gel coats, adhesives, resins and consumables. Gurit supplies global growth markets with composite materials on the one hand and composite tooling equipment, structural engineering and select finished parts on the other. The global Group has production sites and offices in Switzerland, Germany, Hungary, Italy, Spain, the Netherlands, the U.K., Poland, Canada, the U.S.A., Ecuador, New Zealand, India and China. For more information, please visit www.gurit.com

Gurit Group Communications

Tanja Moehler

T +41 44 316 15 55

tanja.moehler@gurit.com

www.gurit.com

All trademarks used or mentioned in this release are protected by law.

Forward-looking statements:

To the extent that this announcement contains forward-looking statements, such statements are based on assumptions, planning and forecasts at the time of publication of this announcement. Forward-looking statements always involve uncertainties. Business and economic risks and developments, the conduct of competitors, political decisions and other factors may cause the actual results to be materially different from the assumptions, planning and forecasts at the time of publication of this announcement. Therefore, Gurit Holding AG does not assume any responsibility relating to forward-looking statements contained in this announcement.