JOINT FILING AGREEMENT
Exhibit 99.1
The undersigned hereby agree that the statement on Schedule 13D with respect to the Shares of Astria Therapeutics Inc. dated as of October 24, 2025 is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the previsions of Rule13d-1(k) under the Securities Exchange Act of 1934, as amended.
| Date: October 24, 2025 | magnetar financial llc |
| By: Magnetar Capital Partners LP, its Sole Member | ||
| By: | /s/ ▇▇▇▇▇▇ ▇▇▇▇▇ | |
| Name: | ▇▇▇▇▇▇ ▇▇▇▇▇ | |
| Title: | Attorney-in-fact for ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇, Administrative Manager of Supernova Management LLC, GP of Magnetar Capital Partners LP, its Sole Member | |
| Date: October 24, 2025 | magnetar capital partners LP |
| By: Supernova Management LLC, its General Partner | ||
| By: | /s/ ▇▇▇▇▇▇ ▇▇▇▇▇ | |
| Name: | ▇▇▇▇▇▇ ▇▇▇▇▇ | |
| Title: | Attorney-in-fact for ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇, Administrative Manager of Supernova Management LLC, its General Partner | |
| Date: October 24, 2025 | supernova management llc |
| By: | /s/ ▇▇▇▇▇▇ ▇▇▇▇▇ | |
| Name: | ▇▇▇▇▇▇ ▇▇▇▇▇ | |
| Title: | Attorney-in-fact for ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇, Administrative Manager of Supernova Management LLC |
| Date: October 24, 2025 | ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇ |
| By: | /s/ ▇▇▇▇▇▇ ▇▇▇▇▇ | |
| Name: | ▇▇▇▇▇▇ ▇▇▇▇▇ | |
| Title: | Attorney-in-fact for ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇ |