0000899243-17-018896 4 1 20170722 20170725 20170725 Weiss Daniel G 0001679525 4 34 001-37839 17980913 8501 N. SCOTTSDALE ROAD GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 TPI COMPOSITES, INC 0001455684 3510 201590775 8501 N SCOTTSDALE ROAD GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 480-305-8910 8501 N SCOTTSDALE ROAD GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 TPI COMPOSITES INC 20090206 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2017-07-22 0 0001455684 TPI COMPOSITES, INC TPIC 0001679525 Weiss Daniel G 2029 CENTURY PARK EAST, SUITE 2980 LOS ANGELES CA 90067 1 0 1 0 Common Stock 2017-07-22 4 M 0 2880 0.00 A 2880 D Common Stock 3939237 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 Angeleno Investors II, L.P ("AI II LP") and/or certain entities affiliated with AI II LP. 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. These securities are held of record by AI II LP and the Reporting Person is the co-founder and member of Angeleno Group, 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