RNG · RingCentral, Inc.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 22, 2025.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2025.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 13, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.39 to $38.385, inclusive.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 13, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.395 to $39.27, inclusive.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 13, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.115 to $39.10, 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 ranges set forth in footnotes (2) through (5) to this Form 4.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 13, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.14 to $39.505, inclusive.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.20 to $39.17, 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 (2) to this Form 4.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

Represents RSUs that were fully vested as of the grant date. These RSUs were granted pursuant to the Issuer's Key Employee Equity Bonus Plan, in lieu of a cash bonus earned for the first quarter of 2026.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

Represents Restricted Stock Units ("RSUs") that will vest in equal quarterly installments over a two year period commencing on June 1, 2026.

Represents Restricted Stock Units ("RSUs") that will vest in equal quarterly installments over a two year period commencing on June 1, 2026.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.86 to $42.83, 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 ranges set forth in footnotes (2) and (3) to this Form 4.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.88 to $43.75, inclusive.

Represents Restricted Stock Units ("RSUs") that will vest in equal quarterly installments over a two year period commencing on June 1, 2026.

Represents Restricted Stock Units ("RSUs") that will vest in equal quarterly installments over a two year period commencing on June 1, 2026.

Represents Restricted Stock Units ("RSUs") that will vest in equal quarterly installments over a two year period commencing on June 1, 2026.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.82 to $43.145, inclusive.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.82 to $42.81, 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 ranges set forth in footnotes (2) and (3) to this Form 4.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

In an exempt disposition to the Issuer under Rule 16b-3(e), the Reporting Person remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of Restricted Stock Units.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of Restricted Stock Units.

Represents restricted stock units ("RSUs") that were fully vested as of the grant date. These RSUs were granted pursuant to the Issuer's Key Employee Equity Bonus Plan, in lieu of a cash bonus earned for the first quarter of 2026.

Includes 923 shares acquired under the Issuer's Employee Stock Purchase Plan on May 12, 2026.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of Restricted Stock Units.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

Represents restricted stock units ("RSUs") that were fully vested as of the grant date. These RSUs were granted pursuant to the Issuer's Key Employee Equity Bonus Plan, in lieu of a cash bonus earned for the first quarter of 2026.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

Represents restricted stock units ("RSUs") that were fully vested as of the grant date. These RSUs were granted pursuant to the Issuer's Key Employee Equity Bonus Plan, in lieu of a cash bonus earned for the first quarter of 2026.

Includes 923 shares acquired under the Issuer's Employee Stock Purchase Plan on May 12, 2026.

In an exempt disposition to the issuer under Rule 16b-3(e), the Reporting Person remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of RSUs.

Represents restricted stock units ("RSUs") that were fully vested as of the grant date. These RSUs were granted pursuant to the Issuer's Key Employee Equity Bonus Plan, in lieu of a cash bonus earned for the first quarter of 2026.

Includes 923 shares acquired under the Issuer's Employee Stock Purchase Plan on May 12, 2026.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.58 to $40.47, 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 (2) to this Form 4.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 22, 2025.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.51 to $38.22, 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 (2) to this Form 4.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 22, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.53 to $38.27, 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 (2) to this Form 4.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.01 to $36.68, inclusive.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.00 to $35.98, inclusive.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.175 to $36.38, inclusive.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.17 to $36.16, 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 ranges set forth in footnotes (2) through (5) to this Form 4.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.13 to $41.04, 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 (2) to this Form 4.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.95 to $36.90, inclusive.

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.94 to $35.92, 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 ranges set forth in footnotes (3) and (4) to this Form 4.