DUFFIELD DAVID A

SEC source: 0001209191-17-039019 · doc4.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,541,891

Underlying: Class A Common · 109,861 shares

Expires not disclosed

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

F8 · derivative.exercise_price: 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_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.

F8 · 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.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.

F8 · 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.

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 (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.

F10 · 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: 0001209191-17-039019 · doc4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,979

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 ranging from $102.3300 to $103.3299, 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 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-039019 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,740

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 ranging from $101.3300 to $102.3299, 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 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-039019 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 234,840

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 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-039019 · doc4.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,651,752

Underlying: Class A Common · 232,570 shares

Expires not disclosed

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

F8 · derivative.exercise_price: 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_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.

F8 · 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.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.

F8 · 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.

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 (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.

F10 · 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: 0001209191-17-039019 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,979

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 ranging from $102.4800 to $103.4799, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-039019 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,306

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 ranging from $101.4800 to $102.4799, 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(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-039019 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 357,549

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 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-033425 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,979

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on 1/11/2016 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 plan to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades 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 ranging from $94.5100 to $95.5099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F3 · balance_after: Includes 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-033425 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,189

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on 1/11/2016 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 plan to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades 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 ranging from $93.4800 to $94.4799, 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(s) set forth in this footnote of this Form 4.

F3 · balance_after: Includes 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-033425 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,789

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on 1/11/2016 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 plan to require the satisfaction of tax withholding obligations 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 ranging from $92.0300 to $93.0299, 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.

F3 · balance_after: Includes 62,397 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-027599 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,989

F5 · kind: The sale reported in this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plan to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade 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 ranging from $83.6200 to $84.6199, 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 69,850 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-027599 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,172

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on 1/11/2016 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 plan to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F3 · balance_after: Includes 69,850 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-027599 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,272

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on 1/11/2016 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 plan to require the satisfaction of tax withholding obligations 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 ranging from $82.6900 to $83.6899, 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 69,850 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-026615 · doc4.xml · derivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,884,322

Underlying: Class A Common · 210,865 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.exercise_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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.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.

F7 · 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.

F8 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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 · 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: 0001209191-17-026615 · doc4.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,851

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on December 13, 2016.

F1 · balance_after: Includes 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-026615 · doc4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,051

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on December 13, 2016.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.8300 to $81.8299, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-026615 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 343,716

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 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-026615 · doc4.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,095,187

Underlying: Class A Common · 123,000 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.exercise_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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.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.

F7 · 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.

F8 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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 · 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: 0001209191-17-026615 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,851

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on December 13, 2016.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.7400 to $82.7399, 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 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-026615 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 255,851

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 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-026615 · doc4.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,218,187

Underlying: Class A Common Stock · 94,624 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.exercise_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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.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.

F7 · 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.

F8 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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 · 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: 0001209191-17-026615 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,851

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on December 13, 2016.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.3200 to $83.3199, 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 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-026615 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 227,475

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 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-017947 · doc4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,312,811

Underlying: Class A Common Stock · 419,661 shares

Expires not disclosed

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

F8 · derivative.exercise_price: 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_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.

F8 · 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.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.

F8 · 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.

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 (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.

F10 · 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: 0001209191-17-017947 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,851

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on December 13, 2016.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.6100 to $85.6099, 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.

F1 · balance_after: Includes 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-017947 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,456

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on December 13, 2016.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.6100 to $84.6099, 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.

F1 · balance_after: Includes 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-017947 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 296,564

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on December 13, 2016.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.6100 to $83.6099, 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.

F1 · balance_after: Includes 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-017947 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 450,347

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on December 13, 2016.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.6100 to $82.6099, 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.

F1 · balance_after: Includes 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-017947 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 552,512

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 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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: 0001209191-17-012380 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,851

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 11, 2016 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 plan to require the satisfaction of tax withholding obligations 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 ranging from $85.4100 to $86.4099, 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(s) set forth in this footnote of this Form 4.

F3 · balance_after: Includes 81,385 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with Workday 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 reported in Footnote 3.

SEC source: 0001209191-17-004647 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,492

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 11, 2016 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 plan to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades 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 ranging from $80.7700 to $81.7699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F3 · balance_after: Includes 88,839 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday 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 reported in Footnote 3.

SEC source: 0001209191-17-004647 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,890

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 11, 2016 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 plan to require the satisfaction of tax withholding obligations 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 ranging from $79.6900 to $80.6899, 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 88,839 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday 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 reported in Footnote 3.

SEC source: 0001209191-16-156193 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 0

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by The Dave & Cheryl Duffield Foundation on January 11, 2016.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.5600 to $69.5599, 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: 0001209191-16-155527 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 12,056

F4 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by The Dave & Cheryl Duffield Foundation on January 11, 2016.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.5700 to $70.5699, 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.

SEC source: 0001209191-16-155527 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 113,011

F4 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by The Dave & Cheryl Duffield Foundation on January 11, 2016.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.5700 to $69.5699, 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.

SEC source: 0001209191-16-156026 · doc4a.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 112,056

F4 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by The Dave & Cheryl Duffield Foundation on January 11, 2016.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.5700 to $70.5699, 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.

F6 · balance_after: This form 4 is being amended to correct a typographical error which resulted in incorrectly reporting the amount of securities beneficially owned following the reported transaction. The original Form 4 reported 12,056 shares.

SEC source: 0001209191-16-155527 · doc4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,732,472

Underlying: Class A Common Stock · 150,000 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.exercise_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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.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.

F7 · 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.

F8 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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.

F3 · 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: 0001209191-16-155527 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,182

F1 · balance_after: Includes 97,556 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F3 · 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: 0001209191-16-155527 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 289,182

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 97,556 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F2 · ownership.direct: 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 97,556 RSUs described in Footnote 1.

SEC source: 0001209191-16-156026 · doc4a.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,182

F1 · balance_after: Includes 97,556 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8)quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F2 · ownership.direct: 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 97,556 RSUs described in Footnote 1.

F3 · ownership.direct: This form 4 is being amended to correct a typographical error which resulted in footnote 3 of the original Form 4 failing to exclude from the shares held by the David A Duffield Trust dated July 14, 1988 the 97,556 RSUs reported in Footnote 1.

SEC source: 0001209191-16-153998 · doc4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,882,472

Underlying: Class A Common Stock · 400,000 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.exercise_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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.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.

F7 · 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.

F8 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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 · 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: 0001209191-16-153998 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,182

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on January 11, 2016.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.4900 to $74.4899, 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 97,556 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F2 · ownership.direct: 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 97,556 RSUs described in Footnote 1.

SEC source: 0001209191-16-153998 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 315,391

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on January 11, 2016.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.4900 to $73.4899, 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 97,556 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F2 · ownership.direct: 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 97,556 RSUs described in Footnote 1.

SEC source: 0001209191-16-153998 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 476,104

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David A. Duffield Trust on January 11, 2016.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.4500 to $72.4499, 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 · balance_after: Includes 97,556 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F2 · ownership.direct: 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 97,556 RSUs described in Footnote 1.

SEC source: 0001209191-16-153998 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 539,182

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 97,556 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) 59,628 RSUs with a grant date of 8/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, iii) 46,492 RSUs with a grant date of 4/15/2015 and 11,268 RSUs with a grant date of 4/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F2 · ownership.direct: 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 97,556 RSUs described in Footnote 1.

SEC source: 0001209191-16-151031 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,182

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 11, 2016 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 plan to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades 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 ranging from $81.5700 to $82.5699, 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.

F3 · balance_after: Includes 97,556 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) 59,628 RSUs with a grant date of 08/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 04/15/2014 which vested or will vest in eight (8) quarterly installments beginning 07/15/2016, iii) 46,492 RSUs with a grant date of 04/15/2015 and 11,268 RSUs with a grant date of 04/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F4 · ownership.direct: 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: 0001209191-16-151031 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,982

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 11, 2016 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 plan to require the satisfaction of tax withholding obligations 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 ranging from $80.3900 to $81.3899, 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 97,556 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) 59,628 RSUs with a grant date of 08/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 04/15/2014 which vested or will vest in eight (8) quarterly installments beginning 07/15/2016, iii) 46,492 RSUs with a grant date of 04/15/2015 and 11,268 RSUs with a grant date of 04/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F4 · ownership.direct: 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: 0001209191-16-146400 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,287

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 11, 2016 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 plan to require the satisfaction of tax withholding obligations 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 ranging from $86.0100 to $87.0099, 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 105,009 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) 59,628 RSUs with a grant date of 08/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 04/15/2014 which vested or will vest in eight (8) quarterly installments beginning 07/15/2016, iii) 46,492 RSUs with a grant date of 04/15/2015 and 11,268 RSUs with a grant date of 04/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.

F4 · ownership.direct: 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: 0001209191-16-142078 · doc4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 351,750

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Dave & Cheryl Duffield Foundation on January 11, 2016.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.9900 to $89.9899, 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.