DUFFIELD DAVID A

SEC source: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 10

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 1,067,000

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 $273.16 to $274.1599, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 9

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 1,067,250

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 $272.14 to $273.1399, 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: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 1,099,859

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 $271.14 to $272.1399, 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: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Dave and Cheryl Duffield Foundation

Disclosed balance after: 1,115,402

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 $270.14 to $271.1399, 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: 0001327811-24-000048 · wk-form4_1710889368.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: 1,121,688

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 $269.13 to $270.1299, 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 set forth in this footnote of this Form 4.

SEC source: 0001327811-24-000048 · wk-form4_1710889368.xml · derivative · entry 11

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,816,594

Underlying: Class A Common Stock · 64,329 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: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 5

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.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $269.81 to $270.8099, 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: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 110,814

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 $268.80 to $269.7999, 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: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 136,188

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 $267.80 to $268.7999, 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: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 163,126

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 $266.78 to $267.7799, 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: 0001327811-24-000048 · wk-form4_1710889368.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 167,326

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: 0001327811-24-000036 · wk-form4_1709676157.xml · derivative · entry 9

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,880,923

Underlying: Class A Common Stock · 59,391 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.

F9 · 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.

F10 · 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.

F9 · 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.

F10 · 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.

F9 · 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.

F10 · 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: 0001327811-24-000036 · wk-form4_1709676157.xml · nonDerivative · entry 7

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.

F8 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $295.93 to $296.9299, 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: 0001327811-24-000036 · wk-form4_1709676157.xml · nonDerivative · entry 6

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.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $293.64 to $294.6399, 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: 0001327811-24-000036 · wk-form4_1709676157.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 103,797

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 $292.42 to $293.4199, 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: 0001327811-24-000036 · wk-form4_1709676157.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 106,991

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 $291.41 to $292.4099, 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: 0001327811-24-000036 · wk-form4_1709676157.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 138,418

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 $290.41 to $291.4099, 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: 0001327811-24-000036 · wk-form4_1709676157.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 155,590

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 $289.41 to $290.4099, 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: 0001327811-24-000036 · wk-form4_1709676157.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 162,388

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: 0001327811-24-000020 · wk-form4_1705104509.xml · derivative · entry 15

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,940,314

Underlying: Class A Common Stock · 62,731 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.

F13 · 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.

F14 · 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.

F13 · 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.

F14 · 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.

F13 · 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.

F14 · 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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 12

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.

F12 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $282.89 to $283.8899, 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.

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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 11

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,504

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 $281.89 to $282.8899, 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.

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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 10

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 137,209

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 $280.89 to $281.8899, 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.

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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 9

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 143,715

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 $279.87 to $280.8699, 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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 151,618

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 $278.87 to $279.8699, 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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 159,794

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 $277.86 to $278.8599, 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.

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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 165,728

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: 0001327811-24-000020 · wk-form4_1705104509.xml · derivative · entry 14

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,003,045

Underlying: Class A Common Stock · 63,448 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.

F13 · 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.

F14 · 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.

F13 · 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.

F14 · 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.

F13 · 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.

F14 · 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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 5

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.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $277.99 to $278.9899, 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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 111,880

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 $276.99to $277.9899, 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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 138,690

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 $275.99 to $276.9899, 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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 162,086

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 $274.99 to $275.9899, 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: 0001327811-24-000020 · wk-form4_1705104509.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 166,445

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: 0001327811-24-000018 · wk-form4_1704847207.xml · derivative · entry 16

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,066,493

Underlying: Class A Common Stock · 65,839 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.

F14 · 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.

F15 · 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.

F14 · 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.

F15 · 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.

F14 · 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.

F15 · 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 13

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.

F13 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $272.66 to $273.6599, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 12

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 129,047

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.

F12 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $271.66 to $272.6599, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 11

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 159,390

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 $270.66 to $271.6599, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 10

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 166,087

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 $269.65 to $270.6499, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 9

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 167,436

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 $268.50 to $269.4999, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 167,936

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 $267.48 to $268.4799, 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.

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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 168,536

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 $265.80 to $266.7999, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 168,836

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: 0001327811-24-000018 · wk-form4_1704847207.xml · derivative · entry 15

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,132,332

Underlying: Class A Common Stock · 65,524 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.

F14 · 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.

F15 · 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.

F14 · 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.

F15 · 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.

F14 · 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.

F15 · 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 5

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.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $267.14 to $268.1399, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,297

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.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $266.10 to $267.0999, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,945

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 $265.10 to $266.0999, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 157,468

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 $264.10 to $265.0999, 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: 0001327811-24-000018 · wk-form4_1704847207.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 168,521

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: 0001327811-23-000218 · wk-form4_1702509474.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: 1,124,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-l trading plan previously adopted by the Dave & Cheryl Duffield Foundation dated March 22, 2023.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $278.88 to $279.8799, 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: 0001327811-23-000218 · wk-form4_1702509474.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: 1,124,100

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-l trading plan previously adopted by the Dave & Cheryl Duffield Foundation dated March 22, 2023.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $277.87 to $278.8699, 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.