Type	Name	Date
Underwriting agreement	Underwriting Agreement, by and among PTC Therapeutics, Inc. and Credit Suisse Securities (USA) LLC and Citigroup Global Markets Inc., as representatives of the several Underwriters	04/03/2018
Underwriting agreement	Underwriting Agreement, by and among PTC Therapeutics, Inc. and Credit Suisse Securities (USA) LLC and Citibank Global Markets Inc., as representatives of the several Underwriters	10/10/2014