X0306 4 2019-05-16 0 0001384905 RingCentral Inc RNG 0001632489 Sipes David C/O RINGCENTRAL, INC. 20 DAVIS DRIVE BELMONT CA 94002 0 1 0 0 Chief Operating Officer Class A Common Stock 2019-05-16 4 M 0 13500 15.98 A 288367 D Class A Common Stock 2019-05-16 4 S 0 13500 124.083 D 274867 D Stock Option (right to buy) 15.98 2019-05-16 4 M 0 13500 0.00 D 2023-02-09 Class A Common Stock 13500 111848 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2018. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.00 to $124.41, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The options vest and become exercisable in 48 equal monthly installments that commenced on March 9, 2016. /s/ Bruce P. Johnson, Attorney-in-fact 2019-05-17