0001562180-23-002786 4 1 20230311 20230314 20230314 Marram Lance Morell 0001899350 4 34 001-37839 23732512 C/O TPI COMPOSITES, INC. 8501 N. SCOTTSDALE ROAD, SUITE 100 SCOTTSDALE AZ 85253 TPI COMPOSITES, INC 0001455684 3510 201590775 1231 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 primarydocument.xml PRIMARY DOCUMENT X0306 4 2023-03-11 false 0001455684 TPI COMPOSITES, INC TPIC 0001899350 Marram Lance Morell 8501 N SCOTTSDALE ROAD, SUITE 100 SCOTTSDALE AZ 85253 false true false false Chief Commercial Officer-Wind Common Stock 2023-03-11 4 M false 2217.00 0.00 A 14503.00 D Common Stock 2023-03-13 4 F false 767.00 12.90 D 13736.00 D Restricted Stock Units 2023-03-11 4 M false 2217.00 0.00 D Common Stock 2217.00 0.00 D Represents the shares required to satisfy tax withholding obligations in connection with the vesting of 2,217 restricted stock units("RSUs"). 100% RSUs vested in full on the third anniversary of the grant date; provided that the Reporting Person continues to provide service to the Issuer through the vesting date. The RSUs do not have an expiration date. Each RSU represents a contingent right to receive one share of the common stock. All unvested RSUs will automatically expire upon Reporting Person's termination of service from Issuer. /s/ Steven G. Fishbach, Attorney-in-Fact 2023-03-14