0000950142-21-004235 3 1 20211222 20211230 20211230 Jonna Peter Joseph 0001735316 3 34 001-37839 211530624 11611 SAN VICENTE BLVD SUITE 700 LOS ANGELES CA 90049 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 3 1 es210213797_3-jonna.xml OWNERSHIP DOCUMENT X0206 3 2021-12-22 1 0001455684 TPI COMPOSITES, INC TPIC 0001735316 Jonna Peter Joseph C/O OAKTREE CAPITAL MANAGEMENT, L.P. 333 S. GRAND AVE., 28TH FL. LOS ANGELES CA 90071 1 0 0 0 The reporting person is a Managing Director of Oaktree Capital Management, L.P. ("Oaktree"), a registered investment adviser under the Investment Advisers Act of 1940, as amended. The shares reported herein do not include warrants exercisable for common stock of the Issuer beneficially owned by Opps TPIC Holdings, LLC ("Opps"), Oaktree Power Opportunities Fund V (Delaware) Holdings, L.P. ("Power V") and Oaktree Phoenix Investment Fund, L.P. ("Phoenix"), affiliates of Oaktree. The reporting person hereby disclaims beneficial ownership of any such shares beneficially owned by Opps, Power V and Phoenix, except to the extent of any pecuniary interest therein. /s/ Peter Jonna 2021-12-30