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ADAro EnErgy 2013 AnnuAl rEporT
85
Coal quality estimated as at June 30, 2012 Calculated changes to the quality of coal resources 2013 vs. 2012
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 -1
0.3 -0.04
4.5 27.7
0.49 -0.3
-0.8 0.01
As at Dec. 31, 2012 Calculated changes to the quality of coal resources 2013 vs. 2012
Total moisture
Ash Volatile
matter Total
sulphur Calorific value
Kcalkg Total
moisture Ash
Volatile matter
Total sulphur
Calorific value Kcalkg
28.0 2.0
36.0 0.11
4,843 -0.5
0.1 0.1
0.02 43
28.7 3.0
33.8 0.28
4,799 0.6
0.2 -0.3
-0.06 -62
30.8 2.9
32.7 0.21
4,651 -
- -
0.00 -
38.9 2.9
30.5 0.22
3,997 0.1
0.2 -0.0
0.02 -22
43.6 3.1
28.9 0.23
3,657 -
- -
0.00 -
32.3 2.4
33.7 0.16
4,510 0.2
0.1 0.1
0.01 14
not Acquired till 2013 not Acquired till 2013
32.3 2.4
33.7 0.16
4,510 0.2
0.1 0.1
0.01 11
47.3 3.6
25.4 0.10
3,272 -
- -
- -
46.3 2.9
26.2 0.09
3,415 -
- -
- -
46.0 3.3
26.2 0.09
3,423 -
- -
- -
47.0 3.5
25.7 0.10
3,329 -
- -
- -
47.8 2.8
25.5 0.10
3,297 -
- -
- -
45.2 2.9
27.2 0.11
3,497 -
- -
- -
42.7 2.8
29.4 0.10
3,606 -
- -
- -
46.9 3.1
25.9 0.10
3,354 -
- -
- -
46.9 3.1
25.9 0.10
3,354 -
- -
- -
33.9 5.5
31.1 0.42
4,345 0.3
-0.5 0.2
-0.01 -12
no resources estimated in 2012 no resources estimated in 201213
33.9 5.5
31.1 0.42
4,345 0.3
-0.5 0.2
-0.01 -12
32.4 2.5
33.6 0.17
4,506 -0.2
0.2 -
- 6
46.9 3.1
25.9 0.10
3,354 -
- -
- -
As at Dec. 31, 2012 Calculated changes to the quality of coal resources 2013 vs. 2012
Inherent moisture
Ash Volatile
matter Total
sulphur Calorific value
Kcalkg Inherent
moisture Ash
Volatile matter
Total sulphur
Calorific value Kcalkg
19.1 2.2
40.5 0.12
5,436 -0.1
0.2 -0.1
0.02 17
19.1 3.4
38.4 0.32
5,443 1.1
0.3 -0.6
-0.07 -103
18.9 3.5
38.3 0.25
5,439 -
- -
0.00 -
21.6 3.8
39.1 0.29
5,113 1.4
0.2 -0.7
0.01 -109
18.8 4.4
41.6 0.33
5,262 -
- -
- -
19.8 2.9
40.0 0.20
5,336 0.4
0.2 -0.3
0.01 -30
not acquired until 2013 not acquired until 2013
19.8 2.9
40.0 0.20
5,336 0.5
0.2 -0.3
0.01 -39
14.3 5.9
41.4 0.17
5,328 -
- -
- -
14.0 4.6
41.9 0.15
5,474 -
- -
- -
13.5 5.3
41.9 0.15
5,488 -
- -
- -
13.4 5.6
41.9 0.16
5,436 -
- -
- -
14.2 4.6
41.8 0.16
5,418 -
- -
- -
13.5 4.6
42.9 0.17
5,517 -
- -
- -
13.6 4.2
44.4 0.16
5,441 -
- -
- -
13.6 5.0
42.1 0.16
5,457 -
- -
- -
13.6 5.0
42.1 0.16
5,457 -
- -
- -
21.5 6.0
37.4 0.49
5,167 0.2
0.1 -0.1
0.06 19
no resources estimated in 2012 no resources estimated in 201213
21.5 6.0
37.4 0.49
5,167 0.2
0.1 -0.1
0.06 19
19.9 3.0
39.8 0.20
5,340 0.4
0.2 -0.2
0.02 -35
13.6 5.0
42.1 0.16
5,457 -
- -
- -
Notes
1 pT Adaro Indonesias coal quality samples
have been analysed to ASTM standards.
2,3,4 pT Semesta Centramas, pT
paramitha Cipta Sarana, and pT laskar Semesta
Alam coal quality samples have been
analysed to ASTM standards.
5 pT Mustika Indah permais 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
1 pT Adaro Indonesias coal quality samples
have been analysed to ASTM standards.
2,3,4 pT Semesta Centramas, pT
paramitha Cipta Sarana, and, pT laskar
Semesta Alam coal quality samples have
been analysed to ASTM standards.
5 pT Mustika Indah permais 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
1 Based on BHp Billitons 2013
Annual report with the permission
of BHp Billiton.
2 Considered an underground mining
resource.
86
ÛÜÝ
IABlE, STrong, EFFICIEnT
Adaro Energy Coal Reserves Quality Gross As Received Basis reported according to JorC 2012 Edition
Operating Company Locality
Calculated as at Dec. 31, 2013 Total
moisture Ash
Volatile matter
Total sulphur
Calorific value Kcalkg
pT Adaro Indonesia
1
Tutupan 26.7
1.8 36.7
0.10 5,016
north paringin 25.7
3.1 35.7
0.17 5,065
South paringin no reserves estimated in 2013
Wara I 39.0
2.6 30.6
0.21 4,012
Wara II no reserves estimated in 2013
Total Adaro Indonesia 31.2
2.1 34.4
