EXHIBIT A
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of TransAlta Corporation dated January 24, 2020 and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
Dated: January 24, 2020
| | THE MANGROVE PARTNERS MASTER FUND, LTD. |
| | | |
| | By: | MANGROVE PARTNERS, as Investment Manager |
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| | By: | |
| | | Name: | Nathaniel August |
| | | Title: | Director |
| | MANGROVE PARTNERS |
| | | |
| | By: | |
| | | Name: | Nathaniel August |
| | | Title: | Director |
