X0206 3 2014-02-12 0 0001294133 Inogen Inc INGN 0001354727 Versant Ventures II LLC 3000 SAND HILL ROAD, BLDG. 4, SUITE 210 MENLO PARK CA 94025 0 0 1 0 0001354131 Versant Venture Capital II, LP 3000 SAND HILL ROAD, BLDG. 4, SUITE 210 MENLO PARK CA 94025 0 0 1 0 0001354307 Versant Side Fund II, LP 3000 SAND HILL ROAD, BLDG. 4, SUITE 210 MENLO PARK CA 94025 0 0 1 0 0001354132 Versant Affiliates Fund II-A, LP 3000 SAND HILL ROAD, BLDG. 4, SUITE 210 MENLO PARK CA 94025 0 0 1 0 Common Stock 911 I See footnote Common Stock 427 I See footnote Common Stock 48098 I See footnote Series B Preferred Stock 0.00 Common Stock 6216 I See footnote Series C Preferred Stock 0.00 Common Stock 3271 I See footnote Series D Preferred Stock 0.00 Common Stock 10395 I See footnote Series E Preferred Stock 0.00 Common Stock 12998 I See footnote Series B Preferred Stock 0.00 Common Stock 2927 I See footnote Series C Preferred Stock 0.00 Common Stock 1539 I See footnote Series D Preferred Stock 0.00 Common Stock 4895 I See footnote Series E Preferred Stock 0.00 Common Stock 6120 I See footnote Series B Preferred Stock 0.00 Common Stock 327556 I See footnote Series C Preferred Stock 0.00 Common Stock 172421 I See footnote Series D Preferred Stock 0.00 Common Stock 547941 I See footnote Series E Preferred Stock 0.00 Common Stock 684970 I See footnote Shares held by Versant Affiliates Fund II-A, L.P. ("VAF II-A"). Versant Ventures II, LLC ("VVC II") serves as the sole general partner of VAF II-A. Brian G. Atwood, Samuel D. Colella, Ross A. Jaffe, William J. Link, Ph.D., Donald B. Milder, Rebecca B. Robertson, Bradley J. Bolzon, Charles M. Warden, and Barbara N. Lubash are directors and/or members of VVC II and share voting and dispositive power over the shares held by VAF II-A, however, each disclaim beneficial ownership of these shares, except to the extent of their pecuniary interest in such shares. William J. Link, Ph.D. is a director of the Issuer and, accordingly, files separate Section 16 reports. Shares held by Versant Side Fund II, L.P. ("VSF II"). VVC II serves as the sole general partner of VSF II. Brian G. Atwood, Samuel D. Colella, Ross A. Jaffe, William J. Link, Ph.D., Donald B. Milder, Rebecca B. Robertson, Bradley J. Bolzon, Charles M. Warden, and Barbara N. Lubash are directors and/or members of VVC II and share voting and dispositive power over the shares held by VAF II-A, however, each disclaim beneficial ownership of these shares, except to the extent of their pecuniary interest in such shares. William J. Link, Ph.D. is a director of the Issuer and, accordingly, files separate Section 16 reports. Shares held by Versant Venture Capital II, L.P. ("VV II"). VVC II serves as the sole general partner of VV II. Brian G. Atwood, Samuel D. Colella, Ross A. Jaffe, William J. Link, Ph.D., Donald B. Milder, Rebecca B. Robertson, Bradley J. Bolzon, Charles M. Warden, and Barbara N. Lubash are directors and/or members of VVC II and share voting and dispositive power over the shares held by VAF II-A, however, each disclaim beneficial ownership of these shares, except to the extent of their pecuniary interest in such shares. William J. Link, Ph.D. is a director of the Issuer and, accordingly, files separate Section 16 reports. Each share of (i) Series B Preferred Stock will automatically convert into 1.451080982 shares of the Issuer's Common Stock, (ii) Series C Preferred Stock will automatically convert into 1.730144671 shares of the Issuer's Common Stock, (iii) Series D Preferred Stock will automatically convert into 1.879505664 shares of the Issuer's Common Stock, and (iv) Series E Preferred Stock will automatically convert into 2.692436975 shares of the Issuer's Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. The shares have no expiration date. /s/ Robin Preager, CFO 2014-02-12