EX-21.1 3 exhibit21112312016.htm EXHIBIT 21.1 Exhibit
QuickLinks -- Click here to rapidly navigate through this document

Exhibit 21.1 
Significant Subsidiaries of PTC Therapeutics, Inc. 
 
 
Jurisdiction of Incorporation or Organization
PTC Therapeutics Holdings (Bermuda) Corp. Limited
 
Bermuda
PTC Therapeutics International Limited
 
Ireland