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 shares of Common Stock, $0.001 par value, of GSI Technology, Inc., a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
Dated: January 14, 2015
| VERTEX OPPORTUNITIES FUND, LP |
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| By: | Vertex GP, LLC, General Partner |
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| By: | /s/ Eric Singer |
| | Name: | Eric Singer |
| | Title: | Managing Member |
| VERTEX GP, LLC |
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| By: | /s/ Eric Singer |
| | Name: | Eric Singer |
| | Title: | Manager Member |
| VERTEX SPECIAL OPPORTUNITIES FUND IV, LLC |
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| By: | /s/ Eric Singer |
| | Name: | Eric Singer |
| | Title: | Manager |
| VERTEX CAPITAL ADVISORS, LLC |
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| By: | /s/ Eric Singer |
| | Name: | Eric Singer |
| | Title: | Managing Member |
| /s/ Eric Singer |
| ERIC SINGER |