CUSIP No. 22053A107
EXHIBIT 99.1
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G to which this Agreement is annexed as Exhibit 99.1, and any amendments thereto, is and will be filed on behalf of each of them in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
Dated: March 25, 2021
PFIZER INC. | ||||||||
By: | /s/ Susan Grant | |||||||
Name: | Susan Grant | |||||||
Title: | Assistant Secretary | |||||||
PFIZER STRATEGIC INVESTMENT HOLDINGS LLC | ||||||||
By: | /s/ Susan Grant | |||||||
Name: | Susan Grant | |||||||
Title: | Secretary | |||||||
PFIZER VENTURES (US) LLC | ||||||||
By: | /s/ Susan Grant | |||||||
Name: | Susan Grant | |||||||
Title: | Secretary |
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