X0306 4 2017-07-22 0 0001455684 TPI COMPOSITES, INC TPIC 0001678422 Monie Wayne G 8501 NORTH SCOTTSDALE ROAD GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 0 1 0 0 See Remarks Common Stock 2017-07-22 4 M 0 34200 0.00 A 128949 D Common Stock 2017-07-24 4 F 0 10278 18.37 D 118671 D Restricted Stock Units 2017-07-22 4 M 0 34200 0.00 D Common Stock 34200 68400 D Represents the shares required to satisfy tax withholding obligations in connection with the vesting of 34,200 restricted stock units. One-third of the restricted stock units vest on each of the first, second and third anniversaries 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 each applicable vesting date. The restricted stock units do not have an expiration date. Each restricted stock unit represents a contingent right to receive one share of the common stock. All unvested restricted stock units will automatically expire upon Reporting Person's termination of service from Issuer. Chief Manufacturing Technology Officer /s/ Steven G. Fishbach, Attorney-in-Fact 2017-07-25