Twilio Inc. Watch

from 10-K 4 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from 8-K 95 pages Twilio Inc. and U.S. Bank National Association Trustee 3.625% Senior Notes Due 2029 3.875% Senior Notes Due 2031 First Supplemental Indenture Dated as of March 9, 2021 to Indenture Dated as of March 9, 2021 Contents

from 8-K 42 pages Twilio Inc., Issuer and U.S. Bank National Association, Trustee Indenture Dated as of March 9, 2021 Senior Debt Securities

from 10-K 4 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from 10-K 4 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from S-3ASR 52 pages Twilio Inc., Issuer and Trustee Indenture Dated as of , 20 Senior Debt Securities

from S-8 28 pages Sendgrid, Inc. 2017 Equity Incentive Plan

from S-8 24 pages Sendgrid, Inc. 2012 Equity Incentive Plan Adopted by the Board of Directors: March 5, 2012 Approved by the Stockholders: December 10, 2012 Amended by the Board of Directors: September 11, 2012 Amended by the Stockholders: December 10, 2012 Amended by the Board of Directors: December 16, 2013 Amended by the Stockholders: December 16, 2013 Amended by the Board of Directors: October 13, 2014 Amended by the Stockholders: October 13, 2014 Amended by the Board of Directors: October 14, 2015 Amended by the Stockholders: October 19, 2015 Termination Date: March 4, 2022

from S-8 24 pages Sendgrid, Inc. Amended and Restated 2009 Equity Incentive Plan Effective Date: April 19, 2010 Approved by the Board of Directors on April 19, 2010 Approved by the Stockholders on April 19, 2010

from 8-K 115 pages Twilio Inc. and Wilmington Trust, National Association, as Trustee Indenture Dated as of May 17, 2018 0.25% Convertible Senior Notes Due 2023

from S-1 43 pages Twilio Inc. Amended and Restated Investors’ Rights Agreement April 24, 2015

from S-1 1 page Indenture or similar

from DRS 43 pages Twilio Inc. Amended and Restated Investors’ Rights Agreement April 24, 2015