X0306 4 2014-06-11 0 0001596532 Arista Networks, Inc. ANET 0001133206 BECHTOLSHEIM ANDREAS C/O ARISTA NETWORKS, INC. 5453 GREAT AMERICA PARKWAY SANTA CLARA CA 95054 1 1 1 0 Chief Development Officer 0001605976 Bechtolsheim Family Trust C/O ARISTA NETWORKS, INC. 5453 GREAT AMERICA PARKWAY SANTA CLARA CA 95054 0 0 1 0 Common Stock 2014-06-11 2014-06-11 4 C 0 12000000 0.00 A 12312500 I By Family Trust Common Stock 2014-06-11 2014-06-11 4 C 0 350621 43.00 A 12663121 I By Family Trust Series A Preferred Stock 2014-06-11 2014-06-11 4 C 0 12000000 0.00 D Common Stock 12000000 0 I By Family Trust 6% Convertible Subordinated Promissory Note 43.00 2014-06-11 2014-06-11 4 C 0 350621 0.00 D Common Stock 350621 0 I By Family Trust These shares are beneficially owned by The Bechtolsheim Family Trust for which Mr. Bechtolsheim is a trustee. Represents the initial public offering price per share of the issuer's common stock. Each share of the issuer's Series A Preferred Stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, and has no expiration date. The outstanding principal and accrued interest on the convertible subordinated promissory notes converted into shares of the issuer's common stock at the initial public offering price upon the closing of the issuer's initial public offering. /s/ Marc Taxay, Marc Taxay Atty-in-Fact for Andreas Bechtolsheim 2014-06-11 /s/ Marc Taxay, Marc Taxay Atty-in-Fact for The Bechtolsheim Family Trust 2014-06-11