DUFFIELD DAVID A

SEC source: 0001327811-19-000044 · wf-form4_155303651294160.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 525,500

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

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.5900 to $187.5899, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

SEC source: 0001327811-19-000044 · wf-form4_155303651294160.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 570,835

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

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $185.5900 to $186.5899, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

SEC source: 0001327811-19-000044 · wf-form4_155303651294160.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 665,964

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

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $184.5900 to $185.5899, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

SEC source: 0001327811-19-000032 · wf-form4_155191993774185.xml · derivative · entry 16

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,131,446

Underlying: Class A Common Stock · 278,758 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.

F17 · 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.

F18 · 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.

F17 · 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.

F18 · 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.

F17 · 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.

F18 · 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.

F19 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 14

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,949

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

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $190.3000 to $191.2999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,074

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

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $189.1400 to $190.1399, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,734

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

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.9400 to $187.9399, 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 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,617

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

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $185.8600 to $186.8599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,822

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

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $184.1400 to $185.1399, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,622

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

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $182.7700 to $183.7699, 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.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,913

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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $181.6700 to $182.6699, 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 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 147,389

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

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $180.6700 to $181.6699, 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 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 160,426

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

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $179.6700 to $180.6699, 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 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,874

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

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $178.6200 to $179.6199, 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.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 210,532

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

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $177.6200 to $178.6199, 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.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 323,155

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

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $176.6200 to $177.6199, 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.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 364,487

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

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $175.6200 to $176.6199, 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.

F1 · balance_after: Includes 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000032 · wf-form4_155191993774185.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 381,707

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 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000012 · wf-form4_154776201902047.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,949

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

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $164.8627 to $165.8626, 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 9,156 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000002 · wf-form4_154707099387197.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,410,204

Underlying: Class A Common Stock · 304,404 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: 0001327811-19-000002 · wf-form4_154707099387197.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,860

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

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $165.8700 to $166.8699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 12,766 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000002 · wf-form4_154707099387197.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,998

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

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $164.8100 to $165.8099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 12,766 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000002 · wf-form4_154707099387197.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,571

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

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $163.8100 to $164.8099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 12,766 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000002 · wf-form4_154707099387197.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 319,466

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

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $162.8100 to $163.8099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 12,766 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000002 · wf-form4_154707099387197.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 408,264

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 12,766 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-19-000002 · wf-form4_154707099387197.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,860

F1 · balance_after: Includes 12,766 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) 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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · derivative · entry 16

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,714,608

Underlying: Class A Common Stock · 1,500,000 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F14 · derivative.exercise_price: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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.

F13 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F14 · derivative.exercise_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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.

F13 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F14 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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.

F15 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 14

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Dave & Cheryl Duffield Foundation

Disclosed balance after: 700,000

SEC source: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,068

F1 · balance_after: Includes 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 809,068

F12 · shares: On December 10, 2018, the Reporting Person contributed 550,000 shares of WDAY Class A common stock to a charitable remainder trust of which the Reporting Person (and his wife upon his death) is a beneficiary and receives interest income, dividends and a fixed share of the principal value of the trust each year. The Reporting Person disclaims all beneficial ownership of these shares.

F1 · balance_after: Includes 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,359,068

F1 · balance_after: Includes 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,609,068

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 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · derivative · entry 15

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,214,608

Underlying: Class A Common Stock · 309,667 shares

Expires not disclosed

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

F13 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F14 · derivative.exercise_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.

F13 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F14 · derivative.exercise_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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.

F13 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F14 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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.

F15 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,068

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

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $166.1100 to $167.1099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,168

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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $165.0900 to $166.0899, 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 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,671

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

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $164.0400 to $165.0399, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,509

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

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $162.9700 to $163.9699, 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 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 171,488

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

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $161.9700 to $162.9699, 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 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,224

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

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $160.9700 to $161.9699, 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 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 283,569

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

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $159.9700 to $160.9699, 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 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 318,443

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

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $158.9600 to $159.9599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000066 · wf-form4_154456372387281.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 418,735

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 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000041 · wf-form4_153981855692197.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,068

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

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $127.6158 to $128.6157, 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 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000041 · wf-form4_153981855692197.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,301

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

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $126.5800 to $127.5799, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F3 · balance_after: Includes 12,766 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000032 · wf-form4_153921623252489.xml · derivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,524,275

Underlying: Class A Common Stock · 374,488 shares

Expires not disclosed

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

F12 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F13 · derivative.exercise_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.

F12 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F13 · derivative.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.

F12 · 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.

F13 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (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.

F14 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0001327811-18-000032 · wf-form4_153921623252489.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,502

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

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $137.6400 to $138.6399, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 16,376 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000032 · wf-form4_153921623252489.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,940

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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $136.6400 to $137.6399, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 16,376 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000032 · wf-form4_153921623252489.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 172,895

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

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $135.6400 to $136.6399, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 16,376 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000032 · wf-form4_153921623252489.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,631

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

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $134.6400 to $135.6399, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F1 · balance_after: Includes 16,376 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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: 0001327811-18-000032 · wf-form4_153921623252489.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,032

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

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $133.6300 to $134.6299, 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 16,376 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)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 and then quarterly thereafter; and ii) 2,728 RSUs with a grant date of 6/20/18 which will vest 100% on 5/15/19. 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.