JOINT FILING AGREEMENT
Exhibit 99.3
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 a Statement on Schedule 13D (including amendments thereto) with respect to the common stock, par value $0.01 per share, of Summit Therapeutics Inc., a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
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/s/ ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ | |
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| ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ REVOCABLE TRUST | |||
| ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ IRREVOCABLE TRUST | |||
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| Name: | ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ | ||
| Title: | Trustee | ||