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 Amendment No. 6 to the Schedule 13D originally filed on March 14, 2012 (including additional amendments thereto) with respect to the shares of Common Stock, no par value, of Sigma Designs, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such statement.
| Dated: August 13, 2012 | POTOMAC CAPITAL PARTNERS III, L.P. |
| | |
| | By: | Potomac Capital Management III, L.L.C. |
| | | General Partner |
| | |
| | By: | /s/ Paul J. Solit |
| | Name: | Paul J. Solit |
| | Title: | Co-Managing Member |
| | POTOMAC CAPITAL MANAGEMENT III, L.L.C. |
| | |
| | By: | /s/ Paul J. Solit |
| | Name: | Paul J. Solit |
| | Title: | Co-Managing Member |
| | POTOMAC CAPITAL PARTNERS L.P. |
| | |
| | By: | Potomac Capital Management, L.L.C. |
| | | General Partner |
| | |
| | By: | /s/ Paul J. Solit |
| | Name: | Paul J. Solit |
| | Title: | Managing Member |
| | POTOMAC CAPITAL MANAGEMENT, L.L.C. |
| | |
| | By: | /s/ Paul J. Solit |
| | Name: | Paul J. Solit |
| | Title: | Managing Member |
| | /s/ Paul J. Solit |
| | PAUL J. SOLIT |
| | /s/ Eric Singer |
| | ERIC SINGER |
