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, par value $0.02 per share, of National Holdings Corporation, a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
Dated: September 17, 2020
| Sphinx Trading, LP | |||
| By: | Oakmont Investments, LLC, its general partner | ||
| By: | /s/ Daniel Asher | ||
| Name: | Daniel Asher | ||
| Title: | President | ||
| Oakmont Investments, LLC | |||
| By: | /s/ Daniel Asher | ||
| Name: | Daniel Asher | ||
| Title: | President | ||
| Equitec Proprietary Markets, LLC | |||
| By: | /s/ Daniel Asher | ||
| Name: | Daniel Asher | ||
| Title: | Authorized Signatory | ||
/s/ Daniel Asher | |
| Daniel Asher |
