X0306 4 2016-02-09 0 0001384905 RingCentral Inc RNG 0001586647 Shmunis Vladimir C/O RINGCENTRAL, INC. 20 DAVIS DRIVE BELMONT CA 94002 1 1 1 0 CEO & Chairman Class A Common Stock 2016-02-09 4 A 0 200250 0.00 A 259422 D Class A Common Stock 50000 I by ELCA Fund I, L.P. Represents Restricted Stock Units (RSU) that will vest and be settled in shares of Class A Common Stock in 16 equal quarterly installments commencing on May 20, 2016. Vladimir Shmunis and Sandra Shmunis are the managing members of ELCA, LLC. ELCA, LLC is the general partner of ELCA Fund I, L.P., ELCA Fund II, L.P., and ELCA Fund III, L.P. By virtue of this relationship, Mr. Shmunis and Mrs. Shmunis may be deemed to share voting and dispositive power with respect to the shares held by ELCA Fund I, L.P., ELCA Fund II, L.P., and ELCA Fund III, L.P. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. /s/ Bruce P. Johnson, Attorney-in-fact for Vladimir Shmunis 2016-02-11