X0306 4 2017-07-22 0 0001455684 TPI COMPOSITES, INC TPIC 0001309058 DeRosa Michael Lawrence 565 E SWEDESFORD ROAD, SUITE 207 WAYNE PA 19087 1 0 1 0 Common Stock 2017-07-22 4 M 0 2880 0.00 A 2880 D Common Stock 8298848 I See footnote Restricted Stock Units 2017-07-22 4 M 0 2880 0.00 D Common Stock 2880 0 D The Reporting Person is contractually obligated to turn over any proceeds from the sale of these shares to Element II G.P., LLC ("GP LLC") and/or certain entities affiliated with GP LLC. The Reporting Person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. 8,174,373 shares of these securities are held of record by Element Partners II, L.P. ("EP II") and 124,475 shares of these securities are held of record by Element Partners II Intrafund, L.P. ("Intrafund"). Element Partners II G.P., L.P. ("GP LP") is the general partner of both EP II and Intrafund, and GP LLC is the general partner of GP LP. The Reporting Person is a managing member of GP LLC. The Reporting Person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Exchange Act, except to the extent of his pecuniary interest therein, if any. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Common Stock. All of the RSUs vest on the first anniversary of the effective date of the initial public offering of the Issuer; provided, that the Reporting Person continues to provide service to the Issuer through the vesting date. The RSUs do not have an expiration date. /s/ Steven G. Fishbach, Attorney-in-Fact 2017-07-25