| Explanation of Responses: |
| (1) | Conversion rate is 1 for 1. |
| (2) | Shares withheld by Registrant to satisfy minimum statutory withholding requirements on vesting of RSUs. |
| (3) | Grant of restricted share units awarded pursuant to the SunCoke Energy, Inc. Long-Term Performance Enhancement Plan in a transaction exempt under Rule 16b-3. The restricted share units vest in three equal installments on the first, second and third anniversary of the grant date. |
