CERTIFICATE OF ANALYSIS Report. No. : COA-1506100024

Sample Name : CoalClient : PT. PLN (Persero) Pembangkitan Indramayu Date of Received : October 22th, 2010Date of Completed : October 24th, 2010Source : Ex. Shipment from TB. VIRGO PELITA 01 / BG. VIRGO

POWER 08

This is to report, that the representative sample have been conducted by surveyor and was carried out analysis in accordance with ASTM method. The results are as follows:

Parameter UnitResult

MethodsAR ADB DB DAFB

Total Moisture % 31.63 - - - ASTM D 3302

Proximate

Inherent Moisture

% - 17.03 - - ASTM D 3173

Ash Content % 6.15 7.46 8.99 - ASTM D 3174Volatile Matter % 32.29 39.19 47.23 51.90 ASTM D 3175Fixed Carbon % 29.93 36.32 43.77 48.10 BY Different

Total Sulphur % 0.28 0.34 0.41 0.45 ASTM D 4239

Gross Calorific Value Kcal/Kg 4387 5324 6417 7051 ASTM D 5865

Ultimate

Total Carbon % Db 69.80ASTM D 5373Total Hydrogen % Db 2.42

Nitrogen % Daf 1.18Oxygen % Db 17.30 BY Different

Hardgrove Grindability Index

Index Point 65 ASTM D 409

Size TestSize Fraction -70 mm - 50

mm -32 mm -2.38 mmASTM D 4749

%100.0

098.70 83.13 22.29

Ash Analysis

SiO2 % 51.52

Ignited at 800oC

ASTM D 3682

Al2O3 % 33.33Fe2O3 % 3.60CaO % 5.38MgO % 1.01Na2O % 1.08K2O % 2.08TiO2 % 0.21SO3 % 1.04Mn3O4 % 0.04P2O5 % 0.14

Slagging Index % LOWFouling Index % MEDIUM

Ash Fusion Temperature

Initial Deformation Temp

oC

Reduction

1520

Oxidation

1560

ASTM D 1857Spherical Temp oC 1580 1600Hemispherical Temp

oC 1600 1600

Fluidized Temp/Flow

oC 1600 1600

Issued Office : JakartaDated :

HERU SADMOKO Operational Manager