X0306 4 2019-07-29 0 0001636422 Health Catalyst, Inc. HCAT 0001089744 HAQUE PROMOD 525 UNIVERSITY AVENUE SUITE 800 PALO ALTO CA 94301 1 0 1 0 Common Stock 2019-07-29 4 C 0 2952091 A 2952091 I By Limited Partnership Common Stock 2019-07-29 4 C 0 2952090 A 2952090 I By Limited Partnership Series B Convertible Preferred Stock 2019-07-29 4 C 0 1442727 0.00 D Common Stock 1442727 0 I By Limited Partnership Series C Convertible Preferred Stock 2019-07-29 4 C 0 577045 0.00 D Common Stock 577045 0 I By Limited Partnership Series D Convertible Preferred Stock 2019-07-29 4 C 0 471832 0.00 D Common Stock 471832 0 I By Limited Partnership Series E Convertible Preferred Stock 2019-07-29 4 C 0 424568 0.00 D Common Stock 424568 0 I By Limited Partnership Series F Convertible Preferred Stock 2019-07-29 4 C 0 35919 0.00 D Common Stock 35919 0 I By Limited Partnership Series B Convertible Preferred Stock 2019-07-29 4 C 0 1442727 0.00 D Common Stock 1442727 0 I By Limited Partnership Series C Convertible Preferred Stock 2019-07-29 4 C 0 577045 0.00 D Common Stock 577045 0 I By Limited Partnership Series D Convertible Preferred Stock 2019-07-29 4 C 0 471831 0.00 D Common Stock 471831 0 I By Limited Partnership Series E Convertible Preferred Stock 2019-07-29 4 C 0 424568 0.00 D Common Stock 424568 0 I By Limited Partnership Series F Convertible Preferred Stock 2019-07-29 4 C 0 35919 0.00 D Common Stock 35919 0 I By Limited Partnership The Series B Convertible Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date. The Series C Convertible Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date. The Series D Convertible Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date. The Series E Convertible Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date. The Series F Convertible Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date. The securities shown on Line 1 of Table I and Lines 1 through 5 of Table II represent securities held of record by Norwest Venture Partners XI, LP ("NVP XI"). By virtue of his position as a Co-Chief Executive Officer of NVP Associates, LLC ("NVP Associates"), the managing member of the general partner of NVP XI, Promod Haque may be deemed to share voting and dispositive power with respect to such securities. Mr. Haque disclaims beneficial ownership of all such securities, except to the extent of any pecuniary interests therein. The securities shown on Line 2 of Table I and Lines 6 through 10 of Table II represent securities held of record by Norwest Venture Partners XII, LP ("NVP XII"). By virtue of his position as a Co-Chief Executive Officer of NVP Associates, LLC ("NVP Associates"), the managing member of the general partner of NVP XII, Promod Haque may be deemed to share voting and dispositive power with respect to such securities. Mr. Haque disclaims beneficial ownership of all such securities, except to the extent of any pecuniary interests therein. /s/ Matthew De Dominicis, as Attorney-in-fact 2019-07-29