WDAY

SEC source: 0001327811-25-000043 · wk-form4_1741048343.xml · nonDerivative · entry 7

Chakraborty Sayan · CIK 0001967475 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 111,624

F1 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 4, 2024.

F9 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $268.30 to $269.2999, 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 set forth in this footnote of this Form 4.

F3 · balance_after: Includes 110,700 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.

SEC source: 0001327811-25-000043 · wk-form4_1741048343.xml · nonDerivative · entry 6

Chakraborty Sayan · CIK 0001967475 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 111,824

F1 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 4, 2024.

F8 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $267.19 to $268.1899, 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 set forth in this footnote of this Form 4.

F3 · balance_after: Includes 110,700 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.

SEC source: 0001327811-25-000043 · wk-form4_1741048343.xml · nonDerivative · entry 5

Chakraborty Sayan · CIK 0001967475 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,724

F1 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 4, 2024.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $266.18 to $267.1799, 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 set forth in this footnote of this Form 4.

F3 · balance_after: Includes 110,700 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.

SEC source: 0001327811-25-000043 · wk-form4_1741048343.xml · nonDerivative · entry 4

Chakraborty Sayan · CIK 0001967475 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,994

F1 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 4, 2024.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $265.03 to $266.0299, 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 set forth in this footnote of this Form 4.

F3 · balance_after: Includes 110,700 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.

SEC source: 0001327811-25-000043 · wk-form4_1741048343.xml · nonDerivative · entry 3

Chakraborty Sayan · CIK 0001967475 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,394

F1 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 4, 2024.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $263.47 to $264.4699, 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 set forth in this footnote of this Form 4.

F3 · balance_after: Includes 110,700 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.

SEC source: 0001327811-25-000043 · wk-form4_1741048343.xml · nonDerivative · entry 2

Chakraborty Sayan · CIK 0001967475 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,594

F1 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 4, 2024.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $262.35 to $263.3499, 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 set forth in this footnote of this Form 4.

F3 · balance_after: Includes 110,700 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.

SEC source: 0001327811-25-000043 · wk-form4_1741048343.xml · nonDerivative · entry 1

Chakraborty Sayan · CIK 0001967475 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 116,594

F1 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 4, 2024.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $260.53 to $261.5299, 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 set forth in this footnote of this Form 4.

F3 · balance_after: Includes 110,700 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.

SEC source: 0001327811-25-000032 · wk-form4_1738876691.xml · nonDerivative · entry 1

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 638,188

F1 · shares: Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of performance restricted stock units (PRSUs)

F2 · balance_after: Includes 245,316 restricted stock units (RSUs) and 215,926 PRSUs, 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.

SEC source: 0001327811-25-000034 · wk-form4_1738876768.xml · nonDerivative · entry 1

Chakraborty Sayan · CIK 0001967475 · President, Prod. and Tech.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,380

F1 · shares: Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

F2 · balance_after: Includes 110,700 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.

SEC source: 0001327811-25-000022 · wk-form4_1736976757.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 60,000

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $246.96 to $247.9599, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000022 · wk-form4_1736976757.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 71,738

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $245.95 to $246.9499, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000022 · wk-form4_1736976757.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 105,767

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $244.95 to $245.9499, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000024 · wk-form4_1736976820.xml · nonDerivative · entry 1

Garfield Mark S. · CIK 0001602315 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,408

F1 · kind: 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 12, 2024.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $248.24 to $249.2399, 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 set forth in this footnote of this Form 4.

F3 · balance_after: Includes 34,937 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.

SEC source: 0001327811-25-000020 · wk-form4_1736543847.xml · derivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,646,993

Underlying: Class A Common Stock · 70,090 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: 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.

F9 · derivative.exercise_price: 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.

F8 · derivative.exercise_date: 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.

F9 · derivative.exercise_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.

F8 · derivative.expiration_date: 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.

F9 · derivative.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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000020 · wk-form4_1736543847.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,997

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $256.07 to $257.0699, 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 set forth in this footnote of this Form 4.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000020 · wk-form4_1736543847.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 104,621

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $255.07 to $256.0699, 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 set forth in this footnote of this Form 4.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000020 · wk-form4_1736543847.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,806

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $254.07 to $255.0699, 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 set forth in this footnote of this Form 4.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000020 · wk-form4_1736543847.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 156,309

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $253.07 to $254.0699, 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 set forth in this footnote of this Form 4.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000020 · wk-form4_1736543847.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 170,503

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $252.04 to $253.0399, 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 set forth in this footnote of this Form 4.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000020 · wk-form4_1736543847.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 173,087

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000016 · wk-form4_1736302593.xml · nonDerivative · entry 4

Sauer Richard Harry · CIK 0001787944 · Chief Legal Officer & Secty

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,576

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated June 7, 2023.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $253.19 to $254.1899, 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 set forth in this footnote of this Form 4.

F2 · balance_after: Includes 68,842 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.

SEC source: 0001327811-25-000016 · wk-form4_1736302593.xml · nonDerivative · entry 3

Sauer Richard Harry · CIK 0001787944 · Chief Legal Officer & Secty

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,669

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated June 7, 2023.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $251.85 to $252.8499, 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 set forth in this footnote of this Form 4.

F2 · balance_after: Includes 68,842 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.

SEC source: 0001327811-25-000016 · wk-form4_1736302593.xml · nonDerivative · entry 2

Sauer Richard Harry · CIK 0001787944 · Chief Legal Officer & Secty

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 81,942

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated June 7, 2023.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $250.83 to $251.8299, 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 set forth in this footnote of this Form 4.

F2 · balance_after: Includes 68,842 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.

SEC source: 0001327811-25-000012 · wk-form4_1736296239.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 116,000

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $257.38 to $258.3799, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000012 · wk-form4_1736296239.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 116,100

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $256.24 to $257.2399, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000012 · wk-form4_1736296239.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 117,300

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $255.11 to $256.1099, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000012 · wk-form4_1736296239.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 121,037

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $254.11 to $255.1099, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000012 · wk-form4_1736296239.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 138,055

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $253.11 to $254.1099, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000012 · wk-form4_1736296239.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 156,880

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $252.11 to $253.1099, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-25-000018 · wk-form4_1736302757.xml · nonDerivative · entry 6

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · Eschenbach Family Trust dtd 4/15/2014, Carl Eschenbach Jr and Ana Eschenbach TTEE

Disclosed balance after: 13,972

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Eschenbach Family Trust dated October 7, 2024.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $257.51 to $258.5099, 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 set forth in this footnote of this Form 4.

F5 · ownership.nature: The trust is in the name of the Reporting Person and his spouse, who are both trustees and beneficiaries of the trust.

SEC source: 0001327811-25-000018 · wk-form4_1736302757.xml · nonDerivative · entry 5

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · Eschenbach Family Trust dtd 4/15/2014, Carl Eschenbach Jr and Ana Eschenbach TTEE

Disclosed balance after: 14,072

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Eschenbach Family Trust dated October 7, 2024.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $255.55 to $256.5499, 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 set forth in this footnote of this Form 4.

F5 · ownership.nature: The trust is in the name of the Reporting Person and his spouse, who are both trustees and beneficiaries of the trust.

SEC source: 0001327811-25-000018 · wk-form4_1736302757.xml · nonDerivative · entry 4

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · Eschenbach Family Trust dtd 4/15/2014, Carl Eschenbach Jr and Ana Eschenbach TTEE

Disclosed balance after: 14,272

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Eschenbach Family Trust dated October 7, 2024.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $254.54 to $255.5399, 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 set forth in this footnote of this Form 4.

F5 · ownership.nature: The trust is in the name of the Reporting Person and his spouse, who are both trustees and beneficiaries of the trust.

SEC source: 0001327811-25-000018 · wk-form4_1736302757.xml · nonDerivative · entry 3

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · Eschenbach Family Trust dtd 4/15/2014, Carl Eschenbach Jr and Ana Eschenbach TTEE

Disclosed balance after: 15,772

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Eschenbach Family Trust dated October 7, 2024.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $253.48 to $254.4799, 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 set forth in this footnote of this Form 4.

F5 · ownership.nature: The trust is in the name of the Reporting Person and his spouse, who are both trustees and beneficiaries of the trust.

SEC source: 0001327811-25-000018 · wk-form4_1736302757.xml · nonDerivative · entry 2

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · Eschenbach Family Trust dtd 4/15/2014, Carl Eschenbach Jr and Ana Eschenbach TTEE

Disclosed balance after: 17,708

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Eschenbach Family Trust dated October 7, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $252.44 to $253.4399, 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 set forth in this footnote of this Form 4.

F5 · ownership.nature: The trust is in the name of the Reporting Person and his spouse, who are both trustees and beneficiaries of the trust.

SEC source: 0001327811-25-000013 · wk-form4_1736296293.xml · nonDerivative · entry 1

Enslin Robert · CIK 0001928908 · President, CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,773

F1 · balance_after: Includes 141,773 restricted stock units (RSUs), each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, with a grant date of January 5, 2025, which will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0001327811-25-000017 · wk-form4_1736302636.xml · nonDerivative · entry 1

Garfield Mark S. · CIK 0001602315 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,880

F1 · shares: Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

F2 · balance_after: Includes 34,937 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.

SEC source: 0001327811-25-000014 · wk-form4_1736296350.xml · nonDerivative · entry 1

Rowe Zane · CIK 0001444158 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,860

F1 · shares: Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

F2 · balance_after: Includes 117,122 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.

SEC source: 0001327811-25-000018 · wk-form4_1736302757.xml · nonDerivative · entry 1

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 639,777

F1 · shares: Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of performance restricted stock units (PRSUs).

F2 · balance_after: Includes 245,316 RSUs and 219,300 PRSUs, 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.

SEC source: 0001327811-25-000015 · wk-form4_1736302551.xml · nonDerivative · entry 1

BHUSRI ANEEL · CIK 0001196579 · Director · Executive Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 554,687

F1 · shares: Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

F2 · balance_after: Includes 166,260 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.

SEC source: 0001327811-25-000016 · wk-form4_1736302593.xml · nonDerivative · entry 1

Sauer Richard Harry · CIK 0001787944 · Chief Legal Officer & Secty

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,253

F1 · shares: Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of restricted stock units (RSUs).

F2 · balance_after: Includes 68,842 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · derivative · entry 12

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,717,083

Underlying: Class A Common Stock · 67,822 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F12 · derivative.exercise_price: 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.

F13 · derivative.exercise_price: 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.

F12 · derivative.exercise_date: 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.

F13 · derivative.exercise_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.

F12 · derivative.expiration_date: 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.

F13 · derivative.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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 10

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,997

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F11 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $258.56 to $259.5599, 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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 9

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 103,297

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F10 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $257.30 to $258.2999, 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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 108,984

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F9 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $256.27 to $257.2699, 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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,097

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F8 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $255.23 to $256.2299, 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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,832

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $254.20 to $255.1999, 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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 116,682

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $253.19 to $254.1899, 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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 119,969

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $252.19 to $253.1899, 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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 132,114

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $251.19 to $252.1899, 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.

F1 · ownership.direct: 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.

SEC source: 0001327811-25-000004 · wk-form4_1736198976.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 155,367

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, the Cheryl D. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 4, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $250.19 to $251.1899, 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.

F1 · ownership.direct: 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.