X0306 4 2019-07-25 0 0001636422 Health Catalyst, Inc. HCAT 0001607841 SC US (TTGP), LTD. 2800 SAND HILL ROAD SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001552459 SCGF V Management, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001447940 SCGF IV MANAGEMENT LP 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001528109 SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001528063 SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001552461 SC US GF V Holdings, Ltd. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001444121 SEQUOIA CAPITAL US GROWTH FUND IV LP 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001460980 SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 Common Stock 2019-07-25 4 C 0 183638 0.00 A 183638 I Sequoia Capital USGF Principals Fund IV, L.P. Common Stock 2019-07-25 4 C 0 4431513 0.00 A 4431513 I Sequoia Capital U.S. Growth Fund IV, L.P. Common Stock 2019-07-25 4 C 0 1474068 0.00 A 1474068 I SC US GF V Holdings, Ltd. Common Stock 2019-07-25 4 C 0 89162 0.00 A 89162 I Sequoia Capital U.S. Growth Fund V, L.P. Series A Preferred Stock 2019-07-25 4 C 0 3436107 0.00 D Common Stock 3436107 0 I Sequoia Capital U.S. Growth Fund IV, L.P. Series A Preferred Stock 2019-07-25 4 C 0 151392 0.00 D Common Stock 151392 0 I Sequoia Capital USGF Principals Fund IV, L.P. Series B Preferred Stock 2019-07-25 4 C 0 731890 0.00 D Common Stock 731890 0 I Sequoia Capital U.S. Growth Fund IV, L.P. Series B Preferred Stock 2019-07-25 4 C 0 32246 0.00 D Common Stock 32246 0 I Sequoia Capital USGF Principals Fund IV, L.P. Series C Preferred Stock 2019-07-25 4 C 0 1474068 0.00 D Common Stock 1474068 0 I SC US GF V Holdings, Ltd. Series D Preferred Stock 2019-07-25 4 C 0 176222 0.00 D Common Stock 176222 0 I Sequoia Capital U.S. Growth Fund IV, L.P. Series D Preferred Stock 2019-07-25 4 C 0 59693 0.00 D Common Stock 59693 0 I Sequoia Capital U.S. Growth Fund V, L.P. Series E Preferred Stock 2019-07-25 4 C 0 60463 0.00 D Common Stock 60463 0 I Sequoia Capital U.S. Growth Fund IV, L.P. Series E Preferred Stock 2019-07-25 4 C 0 20381 0.00 D Common Stock 20381 0 I Sequoia Capital U.S. Growth Fund V, L.P. Series F Preferred Stock 2019-07-25 4 C 0 26831 0.00 D Common Stock 26831 0 I Sequoia Capital U.S. Growth Fund IV, L.P. Series F Preferred Stock 2019-07-25 4 C 0 9088 0.00 D Common Stock 9088 0 I Sequoia Capital U.S. Growth Fund V, L.P. Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, LP and Sequoia Capital USGF Principals Fund IV, LP (collectively, the "SC USGF IV Funds"). As a result, SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF IV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF IV Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date. Each share of Series C Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.. SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date. Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date. Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date. /s/ Jung Yeon Son, by Power of Attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., General Partner of SCGF V Management, L.P., General Partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P., which together own 100% of SC US GF V Holdings, Ltd. /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd. 2019-07-29 /s/ Jung Yeon Son, by Power of Attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., General Partner of SCGF V Management, L.P. 2019-07-29 /s/ Jung Yeon Son, by Power of Attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., General Partner of SCGF IV Management, L.P. 2019-07-29 /s/ Jung Yeon Son, by Power of Attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., General Partner of SCGF V Management, L.P., General Partner of each of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. 2019-07-29 See Remarks 2019-07-29 /s/ Jung Yeon Son, by Power of Attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., General Partner of SCGF IV Management, L.P., General Partner of Sequoia Capital U.S. Growth Fund IV, LP. and Sequoia Capital USGF Principals Fund IV, LP. 2019-07-29