WDAY · Workday, Inc. · Insider Trading

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 14, 2025.

Includes 57,959 restricted stock units (RSUs), each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $190.70 to $191.6999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $188.70 to $189.6999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $185.695 to $186.6949, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $189.70 to $190.6999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.70 to $187.6999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $187.70 to $188.6999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $189.18 to $190.1799, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $185.70 to $186.6999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 228,556 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Zane Rowe on March 7, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $187.89 to $188.8899, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 191,478 RSUs and 5,968 performance stock units, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Zane Rowe on March 7, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $184.77 to $185.7699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 191,478 RSUs and 5,968 performance stock units, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $189.13 to $190.1299, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 228,556 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.18 to $187.1799, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Zane Rowe on March 7, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.86 to $187.8599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 191,478 RSUs and 5,968 performance stock units, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Zane Rowe on March 7, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $188.89 to $189.8899, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 191,478 RSUs and 5,968 performance stock units, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $188.18 to $189.1799, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $188.11 to $189.1099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 228,556 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.71 to $187.7099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 228,556 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $184.47 to $185.4699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 228,556 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Zane Rowe on March 7, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $185.86 to $186.8599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 191,478 RSUs and 5,968 performance stock units, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $185.18 to $186.1799, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $187.18 to $188.1799, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $184.12 to $185.1199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

Includes 518,115 RSUs and 9,182 performance stock units (PSUs), each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

Includes 120,107 RSUs and 4,132 performance stock units (PSUs), each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 26, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $185.95 to $186.785, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 212,749 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 26, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $188.7 to $188.87, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 212,749 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

Includes 228,556 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 26, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $185.06 to $185.875, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 212,749 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

Includes 191,478 RSUs and 5,968 performance stock units, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

Includes 212,749 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 26, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $187.8 to $188.65, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 212,749 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

Includes 57,959 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 26, 2025.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.855 to $187.78, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

Includes 212,749 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $184.12 to $185.1199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $192.24 to $193.2399, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $193.56 to $194.5599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $188.13 to $189.1299, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $183.12 to $184.1199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $190.16 to $191.1599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $187.12 to $188.1199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $194.565 to $195.5649, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $191.17 to $192.1699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025

The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.12 to $187.1199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., 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(s) set forth in this footnote of this Form 4.

The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.