Form 3 Filing for Karl Adam Zabiello

Karl Adam Zabiello, VP Chief Accounting Officer & Treasurer at SunCoke Energy, Inc., has filed a Form 3, reporting the acquisition of restricted stock units (RSUs). These RSUs were granted under the SunCoke Energy, Inc. Omnibus Long-Term Incentive Plan. The RSUs vest in three equal annual installments. Specifically, 1,630 RSUs granted on 02.22.2024, 4,194 RSUs granted on 02.21.2025, and 12,669 RSUs granted on 02.19.2026, all vest over three years. These transactions are considered exempt under Rule 16b-3.