3.1 3.1 5.0 0.16 5.0 0.16 6.1 0.55 AR14 English for Web
AdARo ENERgy 2014 ANNuAl REPoRT sTRENGThENiNG ThE cORE fOR
busiNEss susTAiNAbiliTY www.AdARo.CoM
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Coal quality estimated as at December 31, 2013 Calculated changes to the quality of coal resources 2014 vs. 2013
Ash Volatile matter
Total sulphur Ash
Volatile matter Total sulphur
4.7 39.2
0.98 -
- -
4.2 28.5
0.55 -
- -
No quality quoted No quality quoted
3.6 18.7
0.72 -
- -
3.4 18.8
0.56 -
- -
4.5 17.4
0.8 -
- -
4.5 27.7
0.49 -
- -
1 PT Adaro Indonesia’s coal quality samples have been analysed to ASTM standards.
2 Balangan Coal is an informal collective name for the separate IuPs PT Semesta Centramas, PT Paramitha Cipta
Sarana and PT laskar Semesta Alam. Coal quality samples from each have been analysed to ASTM standards.
3 PT Mustika Indah Permai’s coal quality samples have been analysed to ISo standards. Elevated levels of sodium in ash
averaging 3 were noted in the 2014 JoRC coal reserves 4 Based on BHP Billiton’s 2014 Annual Report with the
permission of BHP Billiton. 5 Considered an underground mining resource.
Notes
Reported according to JORC Code 2012 Edition
As at Dec. 31, 2013 Calculated changes to the quality of coal resources 2014 vs. 2013
Inherent moisture
Ash Volatile
matter Total sulphur
Caloriic value Kcalkg
Inherent moisture
Ash Volatile
matter Total
sulphur Calorific value
Kcalkg
19.0 2.4
40.4 0.14
5,453 0.2