EXPLANATORY NOTE
The Omnibus Long-Term Incentive Plan
On
February 24, 2022, the Board of Directors of SunCoke Energy, Inc. (the Registrant) adopted the SunCoke Energy, Inc. Omnibus Long-Term Incentive Plan (the Omnibus Plan), subject to stockholder
approval. On May 12, 2022 (the Effective Date), at the Registrants 2022 Annual Meeting of Stockholders, the Omnibus Plan was approved by the Registrants stockholders by the affirmative vote of a majority of
the votes cast in person or by proxy. As of the Effective Date, no additional awards will be granted under the SunCoke Energy, Inc. Retainer Stock Plan for Outside Directors (the Retainer Stock Plan) or the SunCoke Energy,
Inc. Long-Term Performance Enhancement Plan (the LTPEP) (each a Prior Plan and, collectively, the Prior Plans).
Prior Registration Statements
On
August 19, 2011, the Registrant filed a Registration Statement on Form S-8 (File No. 333-176403) with the Securities and Exchange Commission (the
Commission) for the purpose of registering: (i) 6,000,000 shares of the Registrants common stock, par value $0.01 per share (the Common Stock) issuable to participants under the LTPEP; and
(ii) 500,000 shares of Common Stock issuable to participants under the Retainer Stock Plan.
On February 29, 2012, the Registrant
filed a Registration Statement on Form S-8 (File No. 333-179804) with the Commission for the purpose of registering an additional 1,600,000 shares of Common Stock
issuable to participants under the LTPEP.
On May 8, 2018, the Registrant filed a Registration Statement on Form S-8 (File No. 333-224733) with the Commission for the purpose of registering an additional 1,500,000 shares of Common Stock issuable to participants under the LTPEP, as
amended.
Shares Authorized for Issuance
The total number of shares of Common Stock authorized for issuance under the Omnibus Plan consists of 2,700,000 new shares (registered
concurrently on a new registration statement on Form S-8) and up to 2,434,445 shares of Common Stock, comprised of: (i) 2,395,335 shares reserved for issuance under the LTPEP that remained available for grant
as of the Effective Date; and (ii) up to 39,110 shares reserved for issuance under the Retainer Stock Plan that remained available for grant as of the Effective Date, plus (iii) any shares of Common Stock subject to awards granted under
the Prior Plans that were outstanding on the Effective Date and that, on or after such date are not issued or delivered to a participant due to lapse, forfeiture, expiration, termination, cancellation, cashout or tax withholding (the shares
described in clauses (i), (ii) and (iii) being the Prior Plans Shares). As of the Effective Date, no new awards may be granted under either of the Prior Plans.
Post-Effective Amendments
Pursuant to
the undertaking in Item 512(a)(l)(iii) of Regulation S-K that the Registrant disclose a material change in the plan of distribution as originally disclosed in the previously filed Registration Statements on
Forms S-8 (File No. 333-176403, File No. 333-179804 and File
No. 333-224703) (collectively, the Prior Registration Statements), and in accordance with Securities and Exchange Commission (Commission) Compliance and
Disclosure Interpretation No. 126.43, the Registrant is filing this Post-Effective Amendment No. 1 to Registration Statement No. 333-176403, Post-Effective Amendment No. 1 to Registration
Statement No. 333-179804 and Post-Effective Amendment No. 1 to Registration Statement No. 333-224733 (collectively, the Post-Effective
Amendments) to reflect the registration of the issuance of the Prior Plans Shares pursuant to the Omnibus Plan, and to file as an exhibit hereto a copy of the Omnibus Plan and a new opinion as to the validity of the Prior
Plans Shares that may be issued under the Omnibus Plan. All other items of the Prior Registration Statements are incorporated herein by reference without change.