X0609 4 2026-06-01 0001968487 Worthington Steel, Inc. WS 0001776278 KLINGLER JEFFREY R false 100 OLD WILSON BRIDGE ROAD COLUMBUS OH 43085 false true false false Chief Operating Officer true Common Shares 2026-06-01 4 M false 200 21.51 A 93412 D Common Shares 2026-06-01 4 S false 200 43.00 D 93212 D Common Shares 2026-06-02 4 M false 3442 18.64 A 96654 D Common Shares 2026-06-02 4 M false 6259 21.51 A 102913 D Common Shares 2026-06-02 4 M false 10335 14.37 A 113248 D Common Shares 2026-06-02 4 S false 14008 43.5217 D 99240 D Common Shares 2026-06-02 4 S false 6028 44.5283 D 93212 D Commons Shares 4600 I By IRA Common Shares 1.22 I By 401K Non-Qualifed Stock Options (Right to Buy) 21.51 2026-06-01 4 M false 200 0 D 2024-06-30 2033-06-30 Common Shares 200 9489 D Non-Qualifed Stock Options (Right to Buy) 21.51 2026-06-02 4 M false 6259 0 D 2024-06-30 2033-06-30 Common Shares 6259 3230 D Non-Qualifed Stock Options (Right to Buy) 18.64 2026-06-02 4 M false 3442 0 D 2024-06-25 2031-06-25 Common Shares 3442 0 D Non-Qualifed Stock Options (Right to Buy) 14.37 2026-06-02 4 M false 10335 0 D 2025-06-24 2032-06-24 Common Shares 10335 0 D The price reported is a weighted average price. These common shares were sold in multiple transactions at prices ranging from $43.00 to $43.96, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common shares sold at each separate price within the ranges set forth. The price reported is a weighted average price. These common shares were sold in multiple transactions at prices ranging from $44.02 to $44.87, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common shares sold at each separate price within the ranges set forth. This non-qualified stock option was granted pursuant to the Worthington Steel, Inc. 2023 Long Term Incentive Plan. The date listed is the first day any portion of the option will vest. Additional portions of 33.33% of the option vested on 6/30/2025 and will vest on 6/30/2026. This non-qualified stock option was granted pursuant to the Worthington Steel, Inc. 2023 Long Term Incentive Plan. The date listed is the date upon which this non-qualifed stock option became fully exercisable. This non-qualified stock option was granted pursuant to the Worthington Steel, Inc. 2023 Long Term Incentive Plan. The date listed is the date upon which this non-qualifed stock option became fully exercisable. /s/Joseph Y. Heuer, as attorney-in-fact for Jeffrey R. Klingler 2026-06-03