AGREEMENT
EXHIBIT 1
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 be filed with respect to the ownership by each of the undersigned of shares of stock of Arcellx, Inc.
EXECUTED this 12th day of May, 2025.
NEW ENTERPRISE ASSOCIATES 15, L.P.
| By: | NEA PARTNERS 15, L.P. General Partner |
| By: | NEA 15 GP, LLC General Partner |
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Managing Partner and Co-Chief Executive Officer
By: *
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Managing Partner and Co-Chief Executive Officer
NEA PARTNERS 15, L.P.
| By: | NEA
15 GP, LLC General Partner |
By: *
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Managing Partner and Co-Chief Executive Officer
By: *
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Managing Partner and Co-Chief Executive Officer
NEA 15 GP, LLC
By: *
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Managing Partner and Co-Chief Executive Officer
By: *
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Managing Partner and Co-Chief Executive Officer
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As attorney-in-fact
This Agreement relating to Schedule 13D was executed by ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which is attached hereto as Exhibit 2.