Exhibit 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including additional amendments thereto) with respect to the common stock, $0.0001 par value per share, of Great Lakes Dredge & Dock Corporation, a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
Dated: November 21, 2016
| PRIVET FUND LP |
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| By: | Privet Fund Management LLC General Partner |
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| By: | /s/ Ryan Levenson |
| | Name: | Ryan Levenson |
| | Title: | Managing Member |
| PRIVET FUND MANAGEMENT LLC |
| |
| By: | /s/ Ryan Levenson |
| | Name: | Ryan Levenson |
| | Title: | Managing Member |
| /s/ Ryan Levenson |
| Ryan Levenson |