X0306 4 2013-05-22 0 0001490660 Marketo, Inc. MKTO 0001576746 NAHM TAE HEA C/O STORM VENTURES 2440 SAND HILL ROAD, SUITE 301 MENLO PARK CA 94025 1 0 1 0 Common Stock 2013-05-22 4 C 0 4687359 A 4687359 I See footnote Common Stock 2013-05-22 4 C 0 256389 A 256389 I See footnote Common Stock 2013-05-22 4 C 0 145208 A 145208 I See footnote Series B Convertible Preferred Stock 2013-05-22 4 C 0 3769213 0 D Common Stock 3769213 0 I See footnote Series D Convertible Preferred Stock 2013-05-22 4 C 0 251587 0 D Common Stock 251587 0 I See footnote Series E Convertible Preferred Stock 2013-05-22 4 C 0 173921 0 D Common Stock 173921 0 I See footnote Series F Convertible Preferred Stock 2013-05-22 4 C 0 300920 0 D Common Stock 300920 0 I See footnote Series G Convertible Preferred Stock 2013-05-22 4 C 0 191718 0 D Common Stock 191718 0 I See footnote Series B Convertible Preferred Stock 2013-05-22 4 C 0 206169 0 D Common Stock 206169 0 I See footnote Series D Convertible Preferred Stock 2013-05-22 4 C 0 13761 0 D Common Stock 13761 0 I See footnote Series E Convertible Preferred Stock 2013-05-22 4 C 0 9513 0 D Common Stock 9513 0 I See footnote Series F Convertible Preferred Stock 2013-05-22 4 C 0 16460 0 D Common Stock 16460 0 I See footnote Series G Convertible Preferred Stock 2013-05-22 4 C 0 10486 0 D Common Stock 10486 0 I See footnote Series B Convertible Preferred Stock 2013-05-22 4 C 0 116766 0 D Common Stock 116766 0 I See footnote Series D Convertible Preferred Stock 2013-05-22 4 C 0 7794 0 D Common Stock 7794 0 I See footnote Series E Convertible Preferred Stock 2013-05-22 4 C 0 5388 0 D Common Stock 5388 0 I See footnote Series F Convertible Preferred Stock 2013-05-22 4 C 0 9322 0 D Common Stock 9322 0 I See footnote Series G Convertible Preferred Stock 2013-05-22 4 C 0 5938 0 D Common Stock 5938 0 I See footnote The Series B Convertible Preferred Stock automatically converted into Common Stock on a one for one basis immediately prior to the completion of the Issuer's initial public offering of common stock and had no expiration date. The Series D Convertible Preferred Stock automatically converted into Common Stock on a one for one basis immediately prior to the completion of the Issuer's initial public offering of common stock and had no expiration date. The Series E Convertible Preferred Stock automatically converted into Common Stock on a one for one basis immediately prior to the completion of the Issuer's initial public offering of common stock and had no expiration date. The Series F Convertible Preferred Stock automatically converted into Common Stock on a one for one basis immediately prior to the completion of the Issuer's initial public offering of common stock and had no expiration date. The Series G Convertible Preferred Stock automatically converted into Common Stock on a one for one basis immediately prior to the completion of the Issuer's initial public offering of common stock and had no expiration date. The shares are held directly by Storm Ventures Fund III, L.P. ("SV III"). The shares are held directly by Storm Ventures Affiliates Fund III, L.P. ("SVA III"). The shares are held directly by Storm Ventures Principals Fund III, L.L.C. (SVP III). Storm Venture Associates III, L.L.C. (SVA LLC) is the general partner of SV III and SVA III and the managing member of SVP III. The Reporting Person, as a managing member of SVA LLC, may be deemed to share voting and investment power with respect to the shares held by SV III, SVA III and SVP III and disclaims beneficial ownership of the shares reported herein, except to the extent of his respective pecuniary interest therein. /s/ Tae Hea Nahm 2013-05-22