EXHIBIT 99.1
Published on December 2, 2016
Exhibit 99.1
JOINT FILING AGREEMENT
Each of the undersigned hereby agrees that this Amendment No. 6 to Schedule 13D is being filed with the U.S. Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule 13d-1(k) under the U.S. Securities Exchange Act of 1934, as amended.
Date: December 1, 2016
| Mayne Pharma Ventures Pty Ltd | |
| /s/ Mark Cansdale | |
| Mark Cansdale, Company Secretary | |
| Mayne Pharma International Pty Ltd | |
| /s/ Mark Cansdale | |
| Mark Cansdale, Company Secretary | |
| Mayne Pharma Group Limited | |
| /s/ Mark Cansdale | |
| Mark Cansdale, Company Secretary |