PEEK MARK S

Row 1 · 2007-02-15 · Sale · Disposed 3,500 · Balance 36,500

F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2: Represents the weighted average sale price. The highest price at which shares were sold was $40.17 and the lowest price at which shares were sold was $39.87.

Row 2 · Balance 307.108

Row 1 · 2026-09-01 · Grant · Acquired 20,172 · Balance 70,172

F1: Represents a special grant of restricted stock units ("RSUs") made to the Reporting Person in connection with the Issuer's spin-off from S&P Global Inc. on July 1, 2026, pursuant to the Issuer's 2026 Long Term Incentive Plan (the "2026 Plan"). These RSUs will vest in full on the third anniversary of the date of grant, subject to the terms and conditions of the award agreement.

Row 2 · 2026-09-01 · Grant · Acquired 11,095 · Balance 81,267

F2: Represents an annual grant of RSUs made to the Reporting Person in respect of his service on the Issuer's board of directors pursuant to the 2026 Plan. These RSUs will vest on July 1, 2027, subject to the terms and conditions of the award agreement.

Row 1 · 2026-06-25 · Grant · Acquired 4,746 · Balance 48,247

F1: Represents an award of deferred restricted stock units (DSUs) granted on June 25, 2026, which shall vest on a time-based vesting schedule but for which settlement has been deferred pursuant to the Reporting Person's election under the Program (defined below). Each DSU represents a contingent right to receive one share of the Issuer's Class A Common Stock, subject to satisfaction of the time-based vesting conditions. The DSUs shall time-vest as to 25% of the total shares on each of September 15, December 15, and March 15, and with the final quarterly installment vesting on the earliest of (i) the date of the next annual meeting of the Issuer's stockholders, (ii) the date immediately prior to the next annual meeting of the Issuer's stockholders if the applicable non-employee director's service as a director ends at such meeting due to the Reporting Person's failure to be re-elected or the Reporting Person not standing for re-election, and

F2: [cont'd from Footnote 1] (iii) June 15, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date, and with deferred settlement occurring subject to the terms of the Program.

F3: Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.

Row 2 · 2026-06-25 · Grant · Acquired 14,238 · Balance 62,485

F4: Represents an award of restricted stock units. The entire award shall vest and settle for shares of the Issuer's Class A Common Stock on the earliest of (a) June 25, 2027, (b) the date of the next annual meeting of the Issuer's stockholders (or the date immediately prior to such, if the Reporting Person's service as a director ends at such meeting due to his/her failure to be re-elected or not standing for re-election), (c) the Reporting Person's death, (d) the date on which the Reporting Person becomes disabled, or (e) the occurrence of a change in control as defined in the Issuer's Non-Employee Director Compensation Program (the "Program"), in each case subject to the Reporting Person's continued service to the Issuer on each vesting date.

F3: Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.

Row 3 · Balance 120,000

Row 4 · Balance 5,527

F5: The reported securities are directly held by an irrevocable trust with a third-party trustee, which was settled by the reporting person and for which a child of the reporting person is the beneficiary.

Row 5 · Balance 5,527

F5: The reported securities are directly held by an irrevocable trust with a third-party trustee, which was settled by the reporting person and for which a child of the reporting person is the beneficiary.

Row 6 · Balance 5,527

F5: The reported securities are directly held by an irrevocable trust with a third-party trustee, which was settled by the reporting person and for which a child of the reporting person is the beneficiary.

Row 7 · Balance 5,527

F5: The reported securities are directly held by an irrevocable trust with a third-party trustee, which was settled by the reporting person and for which a child of the reporting person is the beneficiary.

Row 1 · 2025-09-11 · Gift · Disposed 87,589 · Balance 0

F1: Transfer to a trust, with Mark S Peek as beneficiary

Row 2 · 2025-09-11 · Gift · Acquired 87,589 · Balance 87,589

F1: Transfer to a trust, with Mark S Peek as beneficiary

Row 3 · Balance 4,928

Row 1 · 2026-06-01 · Grant · Acquired 4,070 · Balance 6,070

F1: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan.

Row 1 · 2018-01-16 · Sale · Disposed 1,511 · Balance 186,122

F1: The sale of these shares was 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 tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.9900 to $109.9899, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F3: Includes 155,791 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) 69,738 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and ii) 69,738 RSUs with a grant date of 4/15/2015, 25,000 RSUs with a grant date of 6/15/2015, 77,465 RSUs with a grant date of 4/15/2016, and 72,329 RSUs with a grant date of 4/14/2017, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F4: The reported shares, other than the shares underlying the RSUs described in Footnote 3, are held by the OMEGA Living Trust, UTA 8/6/15, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

Row 2 · 2018-01-16 · Sale · Disposed 2,660 · Balance 183,462

F1: The sale of these shares was 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 tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $109.9900 to $110.9899, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F3: Includes 155,791 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) 69,738 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and ii) 69,738 RSUs with a grant date of 4/15/2015, 25,000 RSUs with a grant date of 6/15/2015, 77,465 RSUs with a grant date of 4/15/2016, and 72,329 RSUs with a grant date of 4/14/2017, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F4: The reported shares, other than the shares underlying the RSUs described in Footnote 3, are held by the OMEGA Living Trust, UTA 8/6/15, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

Row 3 · 2018-01-16 · Sale · Disposed 2,272 · Balance 181,190

F1: The sale of these shares was 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 tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $111.1100 to $112.1099, 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.

F3: Includes 155,791 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) 69,738 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and ii) 69,738 RSUs with a grant date of 4/15/2015, 25,000 RSUs with a grant date of 6/15/2015, 77,465 RSUs with a grant date of 4/15/2016, and 72,329 RSUs with a grant date of 4/14/2017, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F4: The reported shares, other than the shares underlying the RSUs described in Footnote 3, are held by the OMEGA Living Trust, UTA 8/6/15, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

Row 4 · 2018-01-16 · Sale · Disposed 1,817 · Balance 179,373

F1: The sale of these shares was 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 tax withholding obligations to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.

F7: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $112.1100 to $113.1099, 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.

F3: Includes 155,791 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) 69,738 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and ii) 69,738 RSUs with a grant date of 4/15/2015, 25,000 RSUs with a grant date of 6/15/2015, 77,465 RSUs with a grant date of 4/15/2016, and 72,329 RSUs with a grant date of 4/14/2017, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F4: The reported shares, other than the shares underlying the RSUs described in Footnote 3, are held by the OMEGA Living Trust, UTA 8/6/15, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

Row 5 · 2018-01-17 · Sale · Disposed 9,656 · Balance 169,717

F8: The sale of these shares was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the OMEGA Living Trust, UTA 8/6/15.

F3: Includes 155,791 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) 69,738 RSUs with a grant date of 4/15/2014 which vested or will vest in eight (8) quarterly installments beginning 7/15/2016, and ii) 69,738 RSUs with a grant date of 4/15/2015, 25,000 RSUs with a grant date of 6/15/2015, 77,465 RSUs with a grant date of 4/15/2016, and 72,329 RSUs with a grant date of 4/14/2017, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting date.

F4: The reported shares, other than the shares underlying the RSUs described in Footnote 3, are held by the OMEGA Living Trust, UTA 8/6/15, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

Row 6 · Balance 309,543

F9: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F10: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine (9) months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F11: Held by the OMEGA Living Trust, UTA 8/6/15, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.