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 the Schedule 13D (including any amendments thereto) with respect to the shares of common stock, no par value, of Cyclerion Therapeutics, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
Dated: October 21, 2022
| SLATE PATH MASTER FUND LP | |||
| By: | Slate Path Capital LP, its investment manager | ||
| By: | Jades GP, LLC, its general partner | ||
| By: | /s/ John Metzner | ||
| Name: | John Metzner | ||
| Title: | Chief Operating Officer | ||
| SLATE PATH CAPITAL LP | |||
| By: | Jades GP, LLC, its general partner | ||
| By: | /s/ John Metzner | ||
| Name: | John Metzner | ||
| Title: | Chief Operating Officer | ||
| JADES GP, LLC | |||
| By: | /s/ John Metzner | ||
| Name: | John Metzner | ||
| Title: | Chief Operating Officer | ||
/s/ James P. Feeney | |
JAMES P. FEENEY As attorney-in-fact for David Greenspan |
