Exhibit 99.01

Mississippi Power
Kemper County IGCC Project Table of Contents MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

Mississippi Power
Kemper County IGCC Project Project Costs and Summary Total Project⁽¹⁾ MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

1 of 8

Mississippi Power
Kemper County IGCC Project Key Contracts over $10M MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

2 of 8

Mississippi Power
Kemper County IGCC Project Project Updates⁽¹⁾ MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

3 of 8

Mississippi Power
Kemper County IGCC Project Total Project Mississippi Economic Impact MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

4 of 8

Mississippi Power
Kemper County IGCC Project Total Project Mississippi Economic Impact MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

5 of 8

Mississippi Power
Kemper County IGCC Project Total Project Mississippi Economic Impact MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

6 of 8

Mississippi Power
Kemper County IGCC Project Total Project Mississippi Economic Impact MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

7 of 8

Mississippi Power
Kemper County IGCC Project Liberty Mine Summary MPSC Docket No. 2009-UA-0014
Monthly Status Report
Through May 2017

8 of 8