Form of Proxy

BLACK DIAMOND THERAPEUTICS, INC.

Notes

BD Client Code:

Client Name:

Number of Shares Held in a BD Nominee Company:

No.	Proposition		For	Against	Abstain
1	Election of Class II Director: Ali Behbahani
2	Election of Class II Director: Garry Menzel
3	Election of Class II Director: Samarth Kulkarni
4	To ratify the appointment of PricewaterhouseCoopers LLP as Black Diamond Therapeutics, Inc.s independent registered public accounting firm for the fiscal year ending December 31, 2025.