0000899243-17-018911 4 1 20170722 20170725 20170725 Bransfield Stephen 0001644357 4 34 001-37839 17980983 C/O TPI COMPOSITES, INC. 8501 N. SCOTTSDALE ROAD, SUITE 280 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 0001644357 Bransfield Stephen 8501 NORTH SCOTTSDALE ROAD, GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 1 0 0 0 Common Stock 2017-07-22 4 M 0 6000 0.00 A 6000 D Restricted Stock Units 2017-07-22 4 M 0 6000 0.00 D Common Stock 6000 12000 D 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. /s/ Steven G. Fishbach, Attorney-in-Fact 2017-07-25