Form of Proxy

ARISTA NETWORKS, INC.

Notes

BD Client Code:

Client Name:

Number of Shares Held in a BD Nominee Company:

No.	Proposition		For	Against	Abstain
1	DIRECTOR Lewis Chew
2	DIRECTOR Greg Lavender
3	DIRECTOR Mark B. Templeton
4	Approval, on an advisory basis, of the compensation of our named executive officers.
5	Ratification of the appointment of Ernst & Young LLP as our independent registered public accounting firm for our fiscal year ending December 31, 2026.