X0206 3 2015-06-24 0 0001192448 GLAUKOS Corp GKOS 0001398927 InterWest Management Partners IX, LLC C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001398928 InterWest Partners IX, LP C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001207831 GIANOS PHILIP T C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001293923 Holmes W Stephen C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001207833 ORONSKY ARNOLD L C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001333063 CLEVELAND BRUCE A C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001381980 Kjellson Nina S C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001276600 NASR KHALED C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001381839 Pepper Douglas A C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, SUITE 200 MENLO PARK CA 94025 0 0 1 0 Series C Convertible Preferred Stock Common Stock 1523809 I Through InterWest Partners IX, L.P. Series D Convertible Preferred Stock Common Stock 674510 I Through InterWest Partners IX, L.P. Series E Convertible Preferred Stock Common Stock 151653 I Through InterWest Partners IX, L.P. Series F Convertible Preferred Stock Common Stock 253390 I Through InterWest Partners IX, L.P. The shares of Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock and Series F Convertible Preferred Stock shall automatically convert into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering and have no expiration date. Shares held by InterWest Partners IX, L.P., a California limited partnership ("IWP-9"). InterWest Management Partners IX, LLC, a California limited liability company ("IMP-9") serves as the sole general partner of IWP-9 and owns no shares directly. Philip T. Gianos, W. Stephen Holmes, Gilbert H. Kliman, M.D. and Arnold L. Oronsky are the managing directors of IMP-9. Bruce A. Cleveland, Nina Kjellson, Khaled A. Nasr and Douglas A. Pepper are the venture members of IMP9. These individuals share voting and dispositive power over the shares held by IWP-9; however, they disclaim beneficial ownership of the shares held by such entities except to the extent of their pecuniary interests therein. Gilbert H. Kliman, M.D. is a director of the Issuer and, accordingly, files separate Section 16 reports. /s/ Katie A. Passalacqua, Attorney-in-Fact for InterWest Management Partners IX, LLC 2015-06-24 /s/ Katie A. Passalacqua, Attorney-in-Fact for InterWest Partners IX, L.P. 2015-06-24 /s/ Katie A. Passalacqua, Attorney-in-Fact for Philip T. Gianos 2015-06-24 /s/ Katie A. Passalacqua, Attorney-in-Fact for W. Stephen Holmes 2015-06-24 /s/ Katie A. Passalacqua, Attorney-in-Fact for Arnold L. Oronsky 2015-06-24 /s/ Katie A. Passalacqua, Attorney-in-Fact for Bruce A. Cleveland 2015-06-24 /s/ Katie A. Passalacqua, Attorney-in-Fact for Nina Kjellson 2015-06-24 /s/ Katie A. Passalacqua, Attorney-in-Fact for Khaled A. Nasr 2015-06-24 /s/ Katie A. Passalacqua, Attorney-in-Fact for Douglas A. Pepper 2015-06-24