X0306 4 2018-05-29 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 2018-05-29 4 C 0 12500 0.00 A 155119 D Class A Common Stock 2018-05-29 4 S 0 12500 74.26 D 142619 D Stock Options (right to buy) 0.99 2018-05-29 4 M 0 12500 0.00 D 2019-02-13 Class B Common Stock 12500 32289 D Class B Common Stock 2018-05-29 4 M 0 12500 0.99 A Class A Common Stock 12500 350834 D Class B Common Stock 2018-05-29 4 C 0 12500 0.00 D Class A Common Stock 12500 338334 D Class B Common Stock Class A Common Stock 12500 12500 I By Trust Class B Common Stock Class A Common Stock 12500 12500 I By Trust Each Share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 14, 2017. Reflects weighted average sale price. Actual sale prices ranged from $73.63 to $74.55 on May 29, 2018. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Options are fully vested and exercisable. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock held by a shareholder will convert automatically into one share of Class A Common Stock upon (i) any transfer of such share (subject to certain exceptions), or (ii) the occurrence of certain other specific instances, including the vote of the holders of the Class B Common Stock, as set forth in the issuer's Amended and Restated Certificate of Incorporation. Shares held in a trust for the benefit of the Reports Person's children. The Reporting Person and his spouse are co-trustees of this trust. /s/ Bruce Johnson as Attorney-in-fact for John Marlow 2018-05-30