Form of Proxy

GRAIL, INC.

BD Client Code:

Client Name:

Number of Shares Held in a BD Nominee Company:

No.	Proposition		For	Against	Abstain
1	DIRECTOR Sarah Krevans
2	DIRECTOR Steven Mizell
3	The ratification of the appointment of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026.