X0306 4 2018-09-06 0 0001477425 SendGrid, Inc. SEND 0001721790 Dholakia Sameer C/O SENDGRID, INC. 1801 CALIFORNIA STREET, SUITE 500 DENVER CO 80202 1 1 0 0 President and CEO Common Stock 2018-09-06 4 S 0 16666 35.6418 D 292648 D The shares of Common Stock were sold pursuant to a 10b5-1 plan. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.23 to $36.07, inclusive. The reporting person undertakes to provide to the issuer, any security holder of issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in this footnote to this Form 4. Includes 12,864 RSUs previously reported as holdings of the Reporting Person. The RSUs will vest and the 12,864 shares will be delivered to the Reporting Person on September 29, 2018, provided that the Reporting Person's continuous service to the Issuer has not been terminated as defined in or as determined under the Issuer's 2012 Equity Incentive Plan. /s/ Matthew P. Dubofsky, Attorney-in-Fact 2018-09-10