Exhibit 99.1
JOINT FILING AGREEMENT
Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree that the Statement on Schedule 13G to which this exhibit is attached is filed on behalf of each of them.
| January 14, 2021 | |
| (Date) |
| Electrum Strategic Opportunities Fund II L.P. | ||
| By: | Electrum Strategic Opportunities Fund II GP L.P., its general partner | |
| By: | ESOF II GP Ltd., its general partner | |
| By: | /s/ Michael H. Williams | |
| Name: | Michael H. Williams | |
| Title: | Authorized Person | |
| Electrum Strategic Opportunities Fund II GP L.P. | ||
| By: | ESOF II GP Ltd., its general partner | |
| By: | /s/ Michael H. Williams | |
| Name: | Michael H. Williams | |
| Title: | Authorized Person | |
| ESOF II GP Ltd. | ||
| By: | /s/ Michael H. Williams | |
| Name: | Michael H. Williams | |
| Title: | Authorized Person | |
| The Electrum Group LLC | ||
| By: | /s/ Michael H. Williams | |
| Name: | Michael H. Williams | |
| Title: | Authorized Person | |
