0001562180-23-003079 4 1 20230321 20230323 20230323 Siwek William E 0001645109 4 34 001-37839 23756887 C/O TPI COMPISITES, INC. 8501 N. SCOTTSDALE RD, SUITE 280 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 X0407 4 2023-03-21 false 0001455684 TPI COMPOSITES, INC TPIC 0001645109 Siwek William E 8501 NORTH SCOTTSDALE ROAD, GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 false true false false President and CEO false Restricted Stock Units 2023-03-21 4 A false 48136.00 0.00 A Common Stock 48136.00 48136.00 D Each restricted stock unit ("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. The RSUs will vest in three tranches: 25% vests on the first anniversary of the grant date, 25% vests on the second anniversary of the grant date and 50% vests on the third anniversary of the grant date; provided, that the Reporting Person continues to provide services to the Issuer through the vesting period. /s/ Steven G. Fishbach, Attorney-in-Fact 2023-03-23