X0306 4 2016-12-27 0 0001384905 RingCentral Inc RNG 0001230185 HOSEIN CLYDE C/O RINGCENTRAL, INC. 20 DAVIS DRIVE BELMONT CA 94002 0 1 0 0 EVP and CFO Class A Common Stock 2016-12-27 5 G 0 E 1400 0.00 D 88081 D Class A Common Stock 2016-12-27 5 G 0 E 1400 0.00 A 1400 I By daughters This transaction involved a gift of securities by the Reporting Person to his two daughters, who share the Reporting Person's household. The Reporting Person disclaims beneficial ownership of the shares held by his daughters, and this report should not be deemed an admission that the Reporting Person is the beneficial owner of his daughters' shares for purposes of Section 16 or for any other purpose. /s/ Bruce P. Johnson, Attorney-in-fact for Clyde Hosein 2017-01-09