ZS · Zscaler, Inc.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.18 to $174.94, 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.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.33 to $176.12, 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.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.10 to $174.05, 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.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.10 to $173.09, 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.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $147.2600 to $148.2200, 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 (6) to this Form 4.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $148.3000 to $149.2500, 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 (6) to this Form 4.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.2500 to $146.2100, 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 (6) to this Form 4.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $146.2500 to $147.2400, 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 (6) to this Form 4.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.0500 to $145.0400, 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 (6) to this Form 4.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on July 03, 2025.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.5300 to $125.5200 , 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.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.4900 to $123.4600 , 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.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.5700 to $126.2200 , 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.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.5100 to $124.4700 , 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.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 20, 2026.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on October 3, 2025.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Includes 122 shares acquired under the Issuer's FY2018 Employee Stock Purchase Plan on June 15, 2026.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Includes 135 shares acquired under the Issuer's FY2018 Employee Stock Purchase Plan on June 15, 2026.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Includes 122 shares acquired under the Issuer's FY2018 Employee Stock Purchase Plan on June 15, 2026.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Includes 108 shares acquired under the Issuer's FY2018 Employee Stock Purchase Plan on June 15, 2026.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2025

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on October 3, 2025.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

The reported shares are represented by restricted stock units, which vest in four equal quarterly installments beginning on March 15, 2026.

The reported shares are represented by restricted stock units, which vest in four equal quarterly installments beginning on March 15, 2026.

The reported shares are represented by restricted stock units, which vest in four equal quarterly installments beginning on March 15, 2026.

The reported shares are represented by restricted stock units, which vest in four equal quarterly installments beginning on March 15, 2026.

The reported shares are represented by restricted stock units, which vest in four equal quarterly installments beginning on March 15, 2026.

The reported shares are represented by restricted stock units, which vest in four equal quarterly installments beginning on March 15, 2026.

The reported shares are represented by restricted stock units, which vest in four equal quarterly installments beginning on March 15, 2026.

The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on October 3, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2025.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on July 3, 2025.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Includes 81 shares acquired under the Issuer's Fiscal Year 2018 Employee Stock Purchase Plan on December 15, 2025.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Includes 45 shares acquired under the Issuer's Fiscal Year 2018 Employee Stock Purchase Plan on December 15, 2025.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on July 3, 2025.

The reported shares are represented by restricted stock units, which vest in 16 equal quarterly installments beginning on December 15, 2025.