144 0001586647 XXXXXXXX LIVE 0001384905 RingCentral, Inc. 001-36089 20 Davis Drive Belmont CA 94002 1-650-472-4100 Vladimir Shmunis Officer Class A Common Stock Goldman Sachs & Co. LLC 200 West Street New York NY 10282 73862 2015693.98 76760177 11/21/2025 NYSE Class A Common Stock 04/01/2022 Acquired as compensation -- Restricted Stock Units Issuer N 4791 04/01/2022 Compensation Class A Common Stock 05/19/2024 Acquired as compensation -- Restricted Stock Units Issuer N 11313 05/19/2024 Compensation Class A Common Stock 05/19/2023 Acquired as compensation -- Restricted Stock Units Issuer N 12796 05/19/2023 Compensation Class A Common Stock 11/20/2025 Acquired as compensation -- Restricted Stock Units Issuer N 2356 11/20/2025 Compensation Class A Common Stock 05/20/2025 Acquired as compensation -- Restricted Stock Units Issuer N 15588 05/20/2025 Compensation Class A Common Stock 05/19/2023 Acquired as compensation -- Restricted Stock Units Issuer N 15755 05/19/2023 Compensation Class A Common Stock 05/19/2024 Acquired as compensation -- Restricted Stock Units Issuer N 11263 05/19/2024 Compensation N Vladimir Shmunis 20 Davis Drive Belmont CA 94002 Class A Common Stock 08/21/2025 46932 1358789.34 Vladimir Shmunis 20 Davis Drive Belmont CA 94002 Class A Common Stock 08/22/2025 27018 825243.2 The sales of shares set forth herein are made in connection with a selling plan dated 03/13/2025 that is intended to comply with Rule 10b5-1(c). 11/21/2025 03/13/2025 Goldman Sachs & Co. LLC on behalf of Vladimir G. Shmunis