X0306 4 2018-03-13 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 2018-03-13 4 J 0 200000 0.00 D 8098848 I See Footnote Common Stock 2880 D Represents a pro rata distribution from Element Partners II, L.P. ("EP II") and Element Partners II Intrafund, L.P. ("Intrafund") to their partners for no consideration pursuant to a Rule 10b5-1 trading plan. 7,977,373 shares of these securities are held of record by EP II and 121,475 shares of these securities are held of record by 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 Securities Exchange Act of 1943, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. The Reporting Person is contractually obligated to turn over any proceeds from the sale of these shares to 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 Exchange Act, except to the extent of his pecuniary interest therein, if any. /s/ Steven G. Fishbach, Attorney-in-Fact 2018-03-15