Exhibit 99.2
AGREEMENT FOR JOINT FILING PURSUANT TO RULE
13d-1(k)(1) UNDER THE SECURITIES EXCHANGE ACT OF 1934
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned, by their respective signatures affixed hereto, do hereby agree in writing that this Schedule 13G/A be and is filed on behalf of each of them. The undersigned further recognize that each of them is responsible for the timely filing of this Schedule 13G/A and any amendments hereto, and for the completeness and accuracy of any information concerning them contained therein.
| Technip USA, Inc. | ||
| By: | /s/ JOHN M. FREEMAN | |
| Name: | John M. Freeman | |
| Title: | Secretary | |
| Date: | June 4, 2013 | |
| Technip USA Holdings, Inc. | ||
| By: | /s/ JOHN M. FREEMAN | |
| Name: | John M. Freeman | |
| Title: | Secretary | |
| Date: | June 4, 2013 | |