Sec Form 4 Filing - NELSON CARL A JR @ Worthington Steel, Inc. - 2023-12-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person NELSON CARL A JR 2. Issuer Name and Ticker or Trading Symbol Worthington Steel, Inc. [ WS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 100 OLD WILSON BRIDGE ROAD 3. Date of Earliest Transaction (MM/DD/YY) 12/01/2023 (Street) COLUMBUS, OH43085 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares 12/01/2023( 1 ) A 7,428 ( 2 ) A 97,583 ( 3 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other NELSON CARL A JR 100 OLD WILSON BRIDGE ROAD COLUMBUS, OH43085 X Signatures /s/ Joseph Y. Heuer, as attorney-in-fact for Carl A. Nelson Jr. 12/05/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On December 1, 2023, Worthington Enterprises, Inc. (f/k/a Worthington Industries, Inc.) ("WOR") completed a pro rata spin-off distribution (the "Distribution") of all of its common shares of the Issuer to the holders of record of WOR common shares as of November 21, 2023 (the "Record Date"). In connection with the Distribution, pursuant to the terms of the Employee Matters Agreement, dated as of November 30, 2023, by and between WOR and the Issuer (the "EMA"), all outstanding equity awards with respect to WOR common shares held by the Reporting Person were equitably adjusted and converted into equity awards with respect to the Issuer's common shares, with such equitable adjustments determined based on (i) the closing price of one WOR common share on the close of trading on November 30, 2023 and (ii) the closing price of one Issuer common share on December 1, 2023. ( 2 )Represents the grant of restricted stock of WS ("WS Restricted Shares") upon the conversion of restricted stock of WOR held by the Reporting Person as of December 1, 2023 in connection with the Distribution, in accordance with the terms of the EMA. The WS Restricted Shares were granted pursuant to the Worthington Steel, Inc. 2023 Equity Incentive Plan for Non-Employee Directors in a manner intended to preserve the aggregate intrinsic value of the awards, on generally the same terms and conditions (including vesting and payment schedules) as applicable to the corresponding restricted stock of WOR. The WS Restricted Shares vest on the Issuer's annual meeting of shareholders in 2024. ( 3 )Includes 90,155 of the Issuer's common shares received in connection with the Distribution in respect of WOR common shares held as of the Record Date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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