X0306 4 2017-05-17 0 0001455684 TPI COMPOSITES, INC TPIC 0001064487 LANDMARK EQUITY ADVISORS LLC /ADV 10 MILL POND LANE SIMSBURY CT 06070 0 0 1 0 0001257979 LANDMARK GROWTH CAPITAL PARTNERS LP 10 MILL POND LANE SIMSBURY CT 06070 0 0 1 0 0001257823 LANDMARK IAM GROWTH CAPITAL LP 10 MILL POND LANE SIMSBURY CT 06070 0 0 1 0 0001679456 Landmark Growth Capital Partners, LLC 10 MILL POND LANE SIMSBURY CT 06070 0 0 1 0 Common Stock 2017-05-17 4 S 0 1245348 16.35 D 4778491 I See Footnote These securities are held of record by Landmark Growth Capital Partners, L.P. ("LGCP") and Landmark IAM Growth Capital, L.P. ("Landmark IAM"). Landmark Growth Capital Partners, LLC ("LGCP LLC") is the general partner of both Landmark LGCP and Landmark IAM, and Landmark Equity Advisors, LLC ("LEA LLC") is the managing member of LGCP LLC. This report on Form 4 is jointly filed by LGCP, Landmark IAM, LGCP LLC and LEA LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose. /s/ Steven G. Fishbach, Attorney-in-Fact for Landmark Equity Advisors, LLC 2017-05-18 /s/ Steven G. Fishbach, Attorney-in-Fact for Landmark Growth Capital Partners, L.P. 2017-05-18 /s/ Steven G. Fishbach, Attorney-in-Fact for Landmark IAM Growth Capital, L.P. 2017-05-18 /s/ Steven G. Fishbach, Attorney-in-Fact for Landmark Growth Capital Partners, LLC 2017-05-18