EXHIBIT A
AGREEMENT
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need to be filed with respect to the ownership by each of the undersigned of shares of Common Stock of Imago BioSciences, Inc.
| Date: July 21, 2021 | FRAZIER HEALTHCARE VII, L.P. | |||||
| By FHM VII, L.P., its general partner | ||||||
| By FHM VII, L.L.C., its general partner | ||||||
| By: | /s/ Steve R. Bailey | |||||
| Steve R. Bailey, Chief Financial Officer | ||||||
| Date: July 21, 2021 | FRAZIER HEALTHCARE VII-A, L.P. | |||||
| By FHM VII, L.P., its general partner | ||||||
| By FHM VII, L.L.C., its general partner | ||||||
| By: | /s/ Steve R. Bailey | |||||
| Steve R. Bailey, Chief Financial Officer | ||||||
| Date: July 21, 2021 | FHM VII, L.P. | |||||
| By FHM VII, L.L.C., its general partner | ||||||
| By: | /s/ Steve R. Bailey | |||||
| Steve R. Bailey, Chief Financial Officer | ||||||
| Date: July 21, 2021 | FHM VII, L.L.C. | |||||
| By: | /s/ Steve R. Bailey | |||||
| Steve R. Bailey, Chief Financial Officer | ||||||
| Date: July 21, 2021 | By: | * | ||||
| James N. Topper | ||||||
| Date: July 21, 2021 | By: | * | ||||
| Patrick J. Heron | ||||||
| Date: July 21, 2021 | By: | * | ||||
| Alan Frazier | ||||||
| Date: July 21, 2021 | By: | * | ||||
| Nader Naini | ||||||
| Date: July 21, 2021 | By: | * | ||||
| Nathan Every | ||||||
| Date: July 21, 2021 | By: | * | ||||
| Brian Morfitt | ||||||
| Date: July 21, 2021 | *By: | /s/ Steve R. Bailey | ||||
| Steve R. Bailey, as Attorney-in-Fact | ||||||
This Agreement was executed by Steve R. Bailey on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which was filed with the SEC on March 29, 2016.
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