AdARo ENERgy 2014 ANNuAl REPoRT sTRENGThENiNG ThE cORE fOR
busiNEss susTAiNAbiliTY www.AdARo.CoM
71
Reported according to JORC Code 2012 Edition
As at Dec. 31, 2013 Calculated changes to the quality of coal resources 2014 vs. 2013
Total moisture
Ash Volatile
matter Total sulphur
Caloriic value Kcalkg
Total moisture
Ash Volatile
matter Total
sulphur Calorific value
Kcalkg
27.5 2.1
36.1 0.13
4,886 0.4
0.2 -0.3
-0.01 -40
29.3 3.2
33.5 0.22
4,737 -0.6
-0.2 0.4
0.01 71
30.8 2.9
32.7 0.21
4,651 -
- -
- 39.0
3.1 30.5
0.24 3,975
-0.5 0.5
-0.1 0.07
-4 43.6
3.1 28.9
0.23 3,657
- -
- -
32.1 2.6
33.8 0.17
4,524 0.1
0.3 -0.2
0.02 -24
32.6 2.2
34 0.08
4,370 -0.2
-0.1 -0.1
-0.01 24
32.1 1.7
33.6 0.06
4,400 -1.1
1.8 0.3
0.02 -41
31.3 1.8
34.8 0.08
4,490 -0.4
-0.1 -
- 31
32.1 2.5
33.8 0.17
4,521 -
0.2 -0.1
0.01 -27
47.3 3.6
25.4 0.1
3,272 -
- -
- -
46.3 2.9
26.2 0.09
3,415 -
- -
- -
46 3.3
26.2 0.09
3,423 -
- -
- -
47 3.5
25.7 0.1
3,329 -
- -
- -
47.8 2.8
25.5 0.1
3,297 -
- -
- -
45.2 2.9
27.2 0.11
3,497 -
- -
- -
42.7 2.8
29.4 0.1
3,606 -
- -
- -
46.9 3.1
25.9 0.1
3,354 -
- -
- -
46.9 3.1
25.9 0.1
3,354 -
- -
- -
34.1 5.1
31.2 0.46
4,342 0.3
-0.5 0.2
-0.01 -12
No resources estimated in 2013 No resources estimated in 201314
34.1 5.1
31.2 0.46
4,342 0.3
-0.5 0.2
-0.01 -12
32.2 2.7
33.6 0.19
4,512 0.1
0.2 -0.1
0.01 -22
46.9 3.1
25.9 0.1
3,354 -
- -
- -
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.
Notes
72
OuR busiNEss REviEw Of miNiNG sERvicEs
Quality of Adaro Metallurgical Coal Resources Air Dried Basis
Operating company Locality
Coal quality estimated as at June 30, 2014 Ash
Volatile matter Total sulphur
IndoMet Coal
4
Haju metallurgicalthermal 4.7
39.2 0.98
lampunut metallurgical 4.2
28.5 0.55
lampunut thermal No quality quoted
luon metallurgicalthermal 3.6
18.7 0.72
luon metallurgical
5
3.4 18.8
0.56 Bumbun metallurgicalthermal
3.5 17.7
0.76 Juloi Northwest metallurgicalthermal
4.2 26.9
0.50
Coal Resources by Quality
Quality of Adaro’s Coal Resources Air Dried Basis
Operating company Locality
Estimated as at Dec. 31, 2014 Inherent
moisture Ash
Volatile matter
Total sulphur
Caloriic value Kcalkg
PT Adaro Indonesia
1
Tutupan 19.3
2.7 40.2
0.14 5,417
North Paringin 19.9
3.4 38.1
0.26 5,398
South Paringin 18.9
3.5 38.3
0.25 5,439
wara I 22.6
4.6 38.3
0.39 4,995
wara II 18.8
4.4 41.6
0.33 5,262
Total Adaro Indonesia thermal 20.2
3.4 39.5
