Arista Networks, Inc. — Director's Dealing 2016

May 17, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2016-05-13

Reporting Person: 2010 David R Cheriton Irrevocable Trust dtd July 27, 2010 (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-13	Common Stock	S	128459	$67.6656	Disposed	8052981	Direct
2016-05-16	Common Stock	S	290000	$68.108	Disposed	7762981	Direct

Footnotes

F1: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.50 to $67.965, inclusive. The reporting person undertakes to provide Arista Networks,Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.00 to $68.375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.