Exhibit 1
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of TPI Composites, Inc. is, and any amendment thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of13d-1(k) under the Securities Exchange Act of 1934, as amended.
| Date: February 10, 2017 | ||
| NGP Energy Technology Partners, L.P. | ||
| By: NGP ETP, L.L.C. | ||
| Its: General Partner | ||
| By: | /s/ Philip J. Deutch | |
| Name: | Philip J. Deutch | |
| Title: | Authorized Member | |
| NGP ETP, L.L.C. | ||
| By: | /s/ Philip J. Deutch | |
| Name: | Philip J. Deutch | |
| Title: | Authorized Member | |
| Energy Technology Partners, L.L.C. | ||
| By: | /s/ Philip J. Deutch | |
| Name: | Philip J. Deutch | |
| Title: | Sole Member and Manager | |
/s/ Philip J. Deutch | ||
| Philip J. Deutch | ||