DUFFIELD DAVID A

SEC source: 0001327811-20-000140 · wf-form4_160037323827944.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 91,170

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F5 · 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 $209.0800 to $210.0799, 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.

SEC source: 0001327811-20-000140 · wf-form4_160037323827944.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 95,170

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

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 $208.0700 to $209.0699, 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(s) set forth in this footnote of this Form 4.

SEC source: 0001327811-20-000140 · wf-form4_160037323827944.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 107,099

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F3 · 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 $207.0700 to $208.0699, 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(s) set forth in this footnote of this Form 4.

SEC source: 0001327811-20-000140 · wf-form4_160037323827944.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 138,695

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F2 · 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 $206.0700 to $207.0699, 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(s) set forth in this footnote of this Form 4.

SEC source: 0001327811-20-000136 · wf-form4_159916728606703.xml · derivative · entry 10

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,192,971

Underlying: Class A Common Stock · 207,272 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.

F11 · 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_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.

F11 · 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.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.

F11 · 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.

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 · 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: 0001327811-20-000136 · wf-form4_159916728606703.xml · nonDerivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,997

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

F10 · 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 $244.1700 to $245.1699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000136 · wf-form4_159916728606703.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,302

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $243.1700 to $244.1699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000136 · wf-form4_159916728606703.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,327

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $242.1700 to $243.1699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000136 · wf-form4_159916728606703.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 161,927

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $241.1700 to $242.1699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000136 · wf-form4_159916728606703.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,624

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $240.1700 to $241.1699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000136 · wf-form4_159916728606703.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 255,214

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

F5 · 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 $239.1600 to $240.1599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000136 · wf-form4_159916728606703.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,419

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $238.1600 to $239.1599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000136 · wf-form4_159916728606703.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 310,269

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 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000112 · wf-form4_159406688790693.xml · derivative · entry 10

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,400,243

Underlying: Class A Common Stock · 262,181 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.

F11 · 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_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.

F11 · 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.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.

F11 · 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.

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 · 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: 0001327811-20-000112 · wf-form4_159406688790693.xml · nonDerivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,997

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

F10 · 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 $192.5800 to $193.5799, 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 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000112 · wf-form4_159406688790693.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,305

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $191.5700 to $192.5699, 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 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000112 · wf-form4_159406688790693.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,398

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $190.5700 to $191.5699, 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 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000112 · wf-form4_159406688790693.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,845

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $189.5700 to $190.5699, 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 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000112 · wf-form4_159406688790693.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 323,792

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $188.5500 to $189.5499, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000112 · wf-form4_159406688790693.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 334,942

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

F5 · 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 $187.5500 to $188.5499, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000112 · wf-form4_159406688790693.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 345,372

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $186.5500 to $187.5499, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000112 · wf-form4_159406688790693.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 365,178

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 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 9

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 157,500

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F10 · 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 $178.6100 to $179.6099, 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.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 157,918

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

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 $177.5800 to $178.5799, 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.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 181,738

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

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 $176.5800 to $177.5799, 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.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 193,843

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

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 $175.5800 to $176.5799, 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.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 211,958

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

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 $174.5800 to $175.5799, 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.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 217,883

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F5 · 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 $173.5800 to $174.5799, 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.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 228,640

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

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 $172.5800 to $173.5799, 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.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 232,950

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F3 · 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 $171.5800 to $172.5799, 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.

SEC source: 0001327811-20-000108 · wf-form4_159242631120531.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 235,150

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F2 · 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 $170.5600 to $171.5599, 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.

SEC source: 0001327811-20-000105 · wf-form4_159191281854296.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,997

F1 · balance_after: Includes 2,079 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, from an original grant consisting of 2,079 RSUs with a grant date of 6/9/2020, which will vest 100% on 5/15/2021. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000075 · wf-form4_159113177669673.xml · derivative · entry 9

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,662,424

Underlying: Class A Common Stock · 278,379 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: 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.

F10 · 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 (9) 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.

F10 · 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 (9) 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.

F10 · 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 (9) 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.

F11 · 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: 0001327811-20-000075 · wf-form4_159113177669673.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,918

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

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 $181.8900 to $182.8899, 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: 0001327811-20-000075 · wf-form4_159113177669673.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,618

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

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 $180.7950 to $181.7949, 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: 0001327811-20-000075 · wf-form4_159113177669673.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,343

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

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 $179.7900 to $180.7899, 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: 0001327811-20-000075 · wf-form4_159113177669673.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 251,076

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F5 · 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 $178.7900 to $179.7899, 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: 0001327811-20-000075 · wf-form4_159113177669673.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 336,252

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

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 $177.4500 to $178.4499, 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: 0001327811-20-000075 · wf-form4_159113177669673.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 358,113

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F3 · 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 $176.4500 to $177.4499, 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: 0001327811-20-000075 · wf-form4_159113177669673.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 379,297

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: 0001327811-20-000056 · wf-form4_158716163638892.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,918

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person and represent shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs). These sales are mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F2 · 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 $145.1900 to $146.1899, 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.

F3 · balance_after: Includes 1,698 RSUs that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, from an original grant consisting of 1,698 RSUs with a grant date of 6/18/2019, which will vest 100% on 5/15/2020. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F4 · 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, other than the shares underlying the RSUs described in Footnote 3.

SEC source: 0001327811-20-000040 · wf-form4_158595679480646.xml · derivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,940,803

Underlying: Class A Common Stock · 407,442 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: 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.

F10 · 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 (9) 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.

F10 · 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 (9) 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.

F10 · 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 (9) 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.

F11 · 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: 0001327811-20-000040 · wf-form4_158595679480646.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,095

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $125.1500 to $126.1499, 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 · balance_after: Includes 2,403 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from original grants consisting of i) 11,268 RSUs with a grant date of 4/15/2016, which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter; and ii) 1,698 RSUs with a grant date of 6/18/2019, which will vest 100% on 5/15/2020. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000040 · wf-form4_158595679480646.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,496

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $124.0300 to $125.0299, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,403 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from original grants consisting of i) 11,268 RSUs with a grant date of 4/15/2016, which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter; and ii) 1,698 RSUs with a grant date of 6/18/2019, which will vest 100% on 5/15/2020. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000040 · wf-form4_158595679480646.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 159,345

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $123.0300 to $124.0299, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,403 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from original grants consisting of i) 11,268 RSUs with a grant date of 4/15/2016, which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter; and ii) 1,698 RSUs with a grant date of 6/18/2019, which will vest 100% on 5/15/2020. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000040 · wf-form4_158595679480646.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 233,603

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

F5 · 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 $122.0300 to $123.0299, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,403 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from original grants consisting of i) 11,268 RSUs with a grant date of 4/15/2016, which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter; and ii) 1,698 RSUs with a grant date of 6/18/2019, which will vest 100% on 5/15/2020. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000040 · wf-form4_158595679480646.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 417,030

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust.

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 $121.0300 to $122.0299, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 2,403 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from original grants consisting of i) 11,268 RSUs with a grant date of 4/15/2016, which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter; and ii) 1,698 RSUs with a grant date of 6/18/2019, which will vest 100% on 5/15/2020. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000040 · wf-form4_158595679480646.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 508,537

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 · balance_after: Includes 2,403 restricted stock units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from original grants consisting of i) 11,268 RSUs with a grant date of 4/15/2016, which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter; and ii) 1,698 RSUs with a grant date of 6/18/2019, which will vest 100% on 5/15/2020. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F2 · 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, other than the shares underlying the RSUs described in Footnote 1.

SEC source: 0001327811-20-000034 · wf-form4_158456353660872.xml · nonDerivative · entry 14

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 236,250

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F15 · 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 $129.5900 to $130.5899, 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.

SEC source: 0001327811-20-000034 · wf-form4_158456353660872.xml · nonDerivative · entry 13

DUFFIELD DAVID A · CIK 0000938071 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 238,434

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Dave & Cheryl Duffield Foundation.

F14 · 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 $128.5800 to $129.5799, 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.