Analyst Coverage

Guggenheim SecuritiesTony Butler
H.C. WainwrightAndrew Fein
Leerink PartnersJoseph Schwartz
RBC Capital MarketsMichael Yee
Robert W. BairdBrian Skorney

Please note that any opinions, estimates or forecasts regarding Proteostasis Therapeutics, Inc.’s performance made by these analysts are theirs alone and do not represent opinions, forecasts or predictions of Proteostasis Therapeutics, Inc. or its management. Proteostasis Therapeutics, Inc. does not by its reference above or distribution imply its endorsement of or concurrence with such information, conclusions or recommendations.