X0306 4 2023-02-15 0 0001384905 RingCentral, Inc. RNG 0001586695 Marlow John H C/O RINGCENTRAL, INC. 20 DAVIS DRIVE BELMONT CA 94002 0 1 0 0 SVP, CAO & General Counsel Class A Common Stock 2023-02-15 4 A 0 2015 0.00 A 195676 D Class A Common Stock 2023-02-15 4 A 0 2144 0.00 A 197820 D Class A Common Stock 2023-02-15 4 F 0 1565 48.41 D 196255 D Class A Common Stock 12080 I By Trust Class A Common Stock 12550 I By Trusts Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent awards received in lieu of cash salary. Represents RSUs that were fully vested as of the grant date. These RSUs were granted pursuant to the Issuer's Key Employee Equity Bonus Plan, in lieu of a cash bonus earned for the fourth quarter of 2022. In an exempt disposition to the Issuer under Rule 16b-3(e), the Reporting Person remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs. Shares held in The M&M Family 2020 Irrevocable Trust. The Reporting Person and his spouse are co-trustees of this trust. Shares held in trusts for the benefit of the Reporting Person's children. The Reporting Person and his spouse are co-trustees of these trusts. /s/ Paul Porter, Attorney-in-Fact 2023-02-17