USIBELLI COAL MINE, INC.

INCREMENTALLY ADDING FY25 FUNDING FOR COAL PURCHASE FOR THE MONTHS OF JULY, AUGUST AND SEPTEMBER 2025.

INCREMENTALLY FUND COAL PURCHASE FOR THE MONTH OF JUNE 2025.

SUB-BITUMINOUS COAL OPTION PERIOD1 FY25

THE DELIVERY OF AN ADDITIONAL 65,000 TONS OF COAL TO EIELSON AFB.

SUB-BITUMINOUS COAL OPTION PERIOD1 FY25

SUB-BITUMINOUS COAL BASE PERIOD FY24

SUB-BITUMINOUS COAL OPTION PERIOD1 FY25

SUB-BITUMINOUS COAL OPTION PERIOD1 FY25

THE DELIVERY OF AN ADDITIONAL 60,000 TONS OF COAL TO EIELSON AFB.

SUB-BITUMINOUS COAL OPTION PERIOD1 FY25

COAL OY1 60,000 TONS ORDER

SUB-BITUMINOUS COAL OPTION PERIOD1 FY25

SUB-BITUMINOUS COAL BASE PERIOD FY24

SUB-BITUMINOUS COAL BASE PERIOD FY24

SUB-BITUMINOUS COAL BASE PERIOD FY24

FY23 COAL PURCHASES

SUB-BITUMINOUS COAL BASE PERIOD FY24

COAL ORDER FOR EIELSON ADB IDIQ FOR CHPP.

SUB-BITUMINOUS COAL BASE PERIOD FY24

SUB-BITUMINOUS COAL BASE PERIOD FY24

ADDITIONAL FUNDING FOR COAL

SUB-BITUMINOUS COAL BASE PERIOD FY24

ADDITIONAL 40,000 TONS OF COAL

SUB-BITUMINOUS COAL BASE PERIOD FY24

SUB-BITUMINOUS COAL BASE PERIOD FY24

COAL ORE FOR POWER PLANT

FY23 COAL PURCHASES

COAL OPTION 2

COAL

BASE COAL

SUB-BITUMINOUS COAL )1ST YEAR BASE PERIO

FY23 COAL PURCHASES

FY23 COAL PURCHASES

EIELSON AFB IDIQ COAL FOR CHPP.

FY23 COAL PURCHASES

ADDING CLIN 0002 FOR 20,000 TONS OF COAL FOR THE CHPP

COAL PURCHASES FY23

EIELSON AFB IDIQ COAL FOR CHPP.

EIELSON AFB COAL FOR CHPP.

COAL PURCHASES

EIELSON AFB COAL FOR CHPP

COAL PURCHASES