144 0000938071 XXXXXXXX LIVE 0001327811 WORKDAY, INC. 001-35680 6110 Stoneridge Mall Road Pleasanton CA 94588 9259519000 The Dave & Cheryl Duffield Foundation C/O Chris Watts 10% Stockholder Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

15000 3350850.00 217000000 09/15/2025 NASDAQ Common 04/22/2025 Founders Shares Issuer N 15000 04/22/2025 N/A N 10b5-1 Sales for THE DAVID A DUFFIELD TRUST U/T/A 7/14/88

6110 Stoneridge Mall Road Pleasanton CA 94588

Common 09/02/2025 75817 17298270.25 10b5-1 Sales for THE DAVID A DUFFIELD TRUST U/T/A 7/14/88

6110 Stoneridge Mall Road Pleasanton CA 94588

Common 07/08/2025 72551 17384111.98 10b5-1 Sales for THE DAVID A DUFFIELD TRUST U/T/A 7/14/88

6110 Stoneridge Mall Road Pleasanton CA 94588

Common 07/01/2025 72917 17424173.40 10b5-1 Sales for THE DAVID A DUFFIELD TRUST U/T/A 7/14/88

6110 Stoneridge Mall Road Pleasanton CA 94588

Common 06/24/2025 73971 17654074.20 10b5-1 Sales for THE DAVID A DUFFIELD TRUST U/T/A 7/14/88

6110 Stoneridge Mall Road Pleasanton CA 94588

Common 06/17/2025 71240 17404480.55 10b5-1 Sales for The Dave & Cheryl Duffield Foundation

6110 Stoneridge Mall Road Pleasanton CA 94588

Common 06/16/2025 15000 3679932.00 09/15/2025 12/03/2024 /s/ Chris Watts