X0306 4 2017-11-17 0 0001477425 SendGrid, Inc. SEND 0001722462 Highway 12 Capital Partners II, LLC HOFF BUILDING 802 WEST BANNOCK, 7TH FLOOR BOISE ID 83702 0 0 1 0 0001383260 HIGHWAY 12 VENTURE FUND II LP HOFF BUILDING 802 WEST BANNOCK, 7TH FLOOR BOISE ID 83702 0 0 1 0 0001722449 Highway 12 Venture Fund II-B, L.P. HOFF BUILDING 802 WEST BANNOCK, 7TH FLOOR BOISE ID 83702 0 0 1 0 0001722444 Solon Mark HOFF BUILDING 802 WEST BANNOCK, 7TH FLOOR BOISE ID 83702 0 0 1 0 0001722460 Highway 12 Ventures II, Inc. HOFF BUILDING 802 WEST BANNOCK, 7TH FLOOR BOISE ID 83702 0 0 1 0 Common Stock 2017-11-17 4 C 0 1027690 A 1027690 I By: Highway 12 Venture Fund II, L.P. Common Stock 2017-11-17 4 C 0 904127 A 904127 I By: Highway 12 Venture Fund II-B, L.P. Common Stock 2017-11-17 4 C 0 797235 A 1824925 I By: Highway 12 Venture Fund II, L.P. Common Stock 2017-11-17 4 C 0 701382 A 1605509 I By: Highway 12 Venture Fund II-B, L.P Common Stock 2017-11-17 4 C 0 577045 A 2401970 I By: Highway 12 Venture Fund II, L.P. Common Stock 2017-11-17 4 C 0 507665 A 2113174 I By: Highway 12 Venture Fund II-B, L.P Series A Preferred Stock 2017-11-17 4 C 0 1027690 0.00 D Common Stock 1027690 0 I By: Highway 12 Venture Fund II, L.P. Series A Preferred Stock 2017-11-17 4 C 0 904127 0.00 D Common Stock 904127 0 I By: Highway 12 Venture Fund II-B, L.P. Series A-1 Preferred Stock 2017-11-17 4 C 0 797235 0.00 D Common Stock 797235 0 I By: Highway 12 Venture Fund II, L.P. Series A-1 Preferred Stock 2017-11-17 4 C 0 701382 0.00 D Common Stock 701382 0 I By: Highway 12 Venture Fund II-B, L.P Series B Preferred Stock 2017-11-17 4 C 0 577045 0.00 D Common Stock 577045 0 I By: Highway 12 Venture Fund II, L.P Series B Preferred Stock 2017-11-17 4 C 0 507665 0.00 D Common Stock 507665 0 I By: Highway 12 Venture Fund II-B, L.P Each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series B Preferred Stock converted into shares of the Issuer's common stock upon the closing of the Issuer's initial public offering, on a one-for-one basis and had no expiration date. The shares are held by Highway 12 Venture Fund II, L.P. ("Fund II"). The general partner of Fund II is Highway 12 Capital Partners II, LLC ("Partners II"). Highway 12 Ventures II, Inc. ("Ventures II") is the managerof Partners II. Mark Solon, a former member of the Issuer's board of directors, is the managing partner of Ventures II and a managing partner of Techstars Ventures. The shares are held by Highway 12 Venture Fund II-B, L.P. ("Fund II-B") The general partner of Fund II-B is Partners II. Ventures II is the manager of Partners II. Mark Solon, a former member of the Issuer's board of directors, is the managing partner of Ventures II and a managing partner of Techstars Ventures. /s/ Matthew P. Dubofsky, Attorney-in-Fact 2017-11-17 /s/ Matthew P. Dubofsky, Attorney-in-Fact 2017-11-17 /s/ Matthew P. Dubofsky, Attorney-in-Fact 2017-11-17 /s/ Matthew P. Dubofsky, Attorney-in-Fact 2017-11-17 /s/ Matthew P. Dubofsky, Attorney-in-Fact 2017-11-17