X0306 4 2022-12-30 0 0001437352 EVERBRIDGE, INC. EVBG 0001961022 Barney Bryan Reed 25 CORPORATE DRIVE BURLINGTON MA 01803 1 0 0 0 Common Stock 2022-12-30 4 A 0 100000 0.00 A 100000 D Represents a restricted stock unit ("RSU") award. Twenty-five percent (25%) of the total number of RSUs shall vest on December 30, 2023 and the remaining RSUs shall vest in 12 equal quarterly installments thereafter, subject to the Reporting Person remaining in the service of Issuer through each vesting date. Noah F. Webster, Attorney-in-Fact 2023-01-05