REBCO (RUSSIAN EXPORT BLEND CRUDE OIL) SPECIFICATION GOST

REBCO (RUSSIAN EXPORT BLEND CRUDE OIL) SPECIFICATION GOST 51858-2002 Characteristics Units Result Test Method Density (Specific Gravity) @ 20 C g /sm 3 0.870 ASTM D5002 Sulphur Content wt.% 1.8 ASTM D4294 Paraffin Content % 1.8 ASTM D5443 Water & Sediment Content vol. % 1.2 ASTM D4007 Distillated recovered % ASTM 86 @ 200 C 21.0 @ 300 C 41.0 @ 350 C 50.0 Chlorine Salt Content mg/dm 3 100 ASTM D3230 Density API API 32.0 ASTM D5002 Salts Content as NaCl mg /l 17.3 ASTM D3230 Ash Content wt.% 0.05 ASTM D482 Mercaptans mg/kg <1 ASTM D3227 Pour Point C 15 ASTM D5863 Kinematic Viscosity CST @ 20 C mm 2 /s 4.92 ASTM D455 Hydrogen Sulfide mg/kg <1 ASTM D3227 Asphaltenes % 0.9 ASTM D6560 Nitrogen mg /l 342 ASTM D4629 KOH Number mg/g 0.39 ASTM D8045-17

BASRA LIGHT CRUDE OIL SPECIFICATION (BASRA OIL COMPANY - IRAQ) Characteristics Units Result Test Method Specific Gravity @ 15.6 C 0.859 ASTM D5002 API Gravity API 33.45 ASTM D5002 Kinematic Viscosity @ 10 C mm 2 /s 15.0 ASTM D455 Water & Sediment Content vol. % 0.2 ASTM D4007 Pour Point C -35 ASTM D5863 Reid Vapor Pressure @ 37.8 C psi 4.0 ASTM D323 Sulphur Content (Total) wt.% 1.2-1.5 ASTM D4294 Salts as NaCl mg /l <8 ASTM D3230 Carbon Residue wt.% 3.5 ASTM D189 Water Content vol. % 4.0 ASTM D4006 Asphalt Content wt.% 1.0 ASTM D6560 Ash Content wt.% 4.5 ASTM D482 Vanadium Content mg/kg 28.5 ASTM D5863 Nickel Content mg/kg 12.5 ASTM D5863 Iron Content mg/kg 1.0 ASTM D5863 Copper Content mg/kg < 0.1 ASTM D5863 ASTM Distillation I.B.P.C. (deg) 3.7 ASTM 86 Distillated @ 50 C 0.8 @ 100 C 37.5 @ 200 C 37.0 @ 250 C 37.0 @ 300 C 45.0 If the specification of the product as per inspection for Iraqi Basra Light Grade fails to conform with the light Crude Oil specification, as agreed to in the contract, the price per barrel shall decrease by USD 0.02 (two US Cents) for each 1/10th (one tenth) of a percent above 0.15% wt., Sulphur for the Сrude Oil. Note: All specifications are as obtained with Basra Crude

KIRKUK LIGHT CRUDE OIL SPECIFICATION (NORTH OIL COMPANY - IRAQ) Characteristics Units Result Test Method Specific Gravity @ 15.6 C 0.8454 ASTM D5002 API Gravity API 35.9 ASTM D5002 Kinematic Viscosity, CST @ 21.1 C mm 2 /s 7.151 ASTM D455 Kinematic Viscosity, CST @ 38.8 C mm 2 /s 4.804 ASTM D455 Kinematic Viscosity, CST @ 48.9 C mm 2 /s 3.813 ASTM D455 Kinematic Viscosity, CST @ 60.0 C mm 2 /s 3.183 ASTM D455 Water & Sediment Content vol. % 0.02 ASTM D4007 Pour Point C -27 ASTM D5863 Reid Vapor Pressure @ 37.8 C psi 5.5 ASTM D323 Sulphur Content (Total) wt.% 1.9 ASTM D4294 Salts as NaCl mg /l <5 ASTM D3230 Carbon Residue wt.% 3.2 ASTM D189 Water Content vol. % 0.02 ASTM D4006 Asphalt Content wt.% 1.1 ASTM D6560 Ash Content wt.% 0.014 ASTM D482 Vanadium Content mg/kg 28.5 ASTM D5863 Nickel Content mg/kg 12.5 ASTM D5863 Iron Content mg/kg 1.0 ASTM D5863 Copper Content mg/kg < 0.1 ASTM D5863 Characterization Factor K(UOP or Watson) 12.0 ASTM D2501 ASTM Distillation Distillated @ 50 C 1.0 @ 75 C 6.0 @ 100 C 11.0 @ 125 C 16.0 @ 150 C 22.0 @ 175 C 27.0 @ 200 C 32.5 @ 225 C 37.0 @ 250 C 42.0 @ 275 C 47.5 @ 300 C 53.0 Total Distillate 54.0 Residue 44.14 Distillation Loss 1.86 ASTM D2892-17a

UPPER ZAKUM CRUDE OIL SPECIFICATION (ANDOC UAE) Description of Tests Method Unit Result Density at 15 o C ASTM D5002 g/cm3 0.8539 Specific Gravity at 60/60 o F Calculation 0.8544 API Gravity at 60 o F Calculation o API 34.11 Sulphur ASTM D4294 Wt % 1.95 Mercaptan Sulphur UOP 163 wppm 31 Hydrogen Sulphide UOP 163 wppm <1 Total Acid Number ASTM D664 mgkoh/g 0.02 Salt Content as NaCl ASTM D3230 lbs/1000 Bbl 5 Water & Sediment (BS&W) ASTM D4007 Vol % <0.05 Water Content by Distillation IP 74 Vol % <0.05 Sediment by Extraction ASTM D473 Vol % 0.02 Reid Vapor Pressure @ 100 o F ASTM D323 psi 8.3 Kinematic Viscosity @70 o F ASTM D445 cst 9.87 Kinematic Viscosity @ 100 o F ASTM D445 cst 6.32 Pour Point ASTM D97 o C -18 Wax Content UOP 46 wt% 3.8 Asphalthenes IP 143 Wt % 1.46 Total Nitrogen ASTM D3228 wppm 890 Carbon Residue - Micro ASTM D4530 wt% 5.07 Ash ASTM D482 Wt % 0.003 Nickel ASTM D5863 wppm 12 Vanadium ASTM D5863 wppm 13 Lead ASTM D5863 wppm <1 Iron ASTM D5863 wppm 1 Mercury Cold Vapor wppb <1 Arsenic UOP 387 wppb <5

SPECIFICATIONS FOR DIESEL FUEL EN 590 10 PPM PROPERTY UNIT VALUE Test Method Cetane Index Calc. 46 Min EN ISO 4264 Cetane Number CN 51 Min EN ISO 5165 EN 15195 Density 15 C Kg/M3 820-845 Min/Max EN ISO 3765 EN ISO 12185 Polycyclic Aromatics %m/m 8.0 Max EN 12916 Sulphur Content mg/kg 10.0 Max EN ISO 20846 EN ISO 20884 Flash Point deg. C >55 Min EN ISO 2719 Carbon Residue % Mass 0.30 Max EN ISO 10370 Ash Content % Mass 0.010 Max EN ISO 6245 Water Content mg/kg 200 Max EN ISO 12937 Total Contaation- mg/kg 24 Max EN 12662 Particulate Matter Copper Strip Corrosion Class 1 Max EN ISO 2160 (3hrs@50 deq. C Oxidation Stability g/m3 25 Max EN ISO 12205 Lubricity Microns 460 Max EN ISO 12156-1 Viscosity @ 40 C cst. 2.000-4.500 Min/Max EN ISO 3104 Distillation: EN ISO 3405 % Recovered 250 deg. C % Vol 65.0 Max EN ISO 3405 % Recovered 350 deg. C % Vol 85.0 Min EN ISO 3405 95% Recovered @ deg. C 360.0 Max EN ISO 3405 Fatty Acid Methyl Ester % Vol 7.0 Max EN 14078 (FAME) Content Cloud Point deg. C Winter -5 Max EN 23015

SPECIFICATION OF RUSSIAN AVIATION KEROSENE COLONIAL GRADE 54 JET FUEL (TS-1) GOST 1027-86 PROPERTY UNIT RESULT TEST-IP METHOD ASTM ADDITIVES Antioxidant in hydro processed fuel Antioxidant non hydro processed fuel Static dissipater first doping ASA-3 Stadis 450 COMBUSTION PROPERTIES Specific energy, net Smoke point Luomitter number Naphthalene s COMPOSITION Total Acidity Aromatics Sulphur, Total Sulphur, Mercaptan Doctor, test VOLATILITY Initial Boiling Point 10% vol at C 20% vol at C 50% vol at C 80% vol at C End point Recovered residuals Loss Flash Point mg/i mg/i mg/i mg/i mj/kg mm % vol mg KOH/g % vol %mass %mass Centigrade Centigrade % vol % vol Centigrade kg/m 2 / / 17/24 24 1 3 18.4 19 45 3 0.01 22 0.30 0.003 Report 240 Report Report Report 300 1.5 1.5 42 776/840 354 158 107 342 30 123 170/303 180/385 D4808 D1322 D1740 D1840 D3242 D1318 D1266/2 D3227 D4952 D96 D56/382 D1298 Density at 15 C LOW TEMPERATURE Freezing Point Centigrade -40 15 D2256 CORROSION Corrosion, copper (2hrs at 100C) Corrosion, silver (4hrs at 50C) STABILITY Thermal stability control, Temp. 280C Filter pressure, differential Tube deposit rating (visual) CONTAMINATIONS Existent Gum Water reaction, interface rating Fuel with static dissipater additives Fuel without static dissipater additive mm/hg mg/100ml CONDUCTIVITY Electrical conductivity p3/m Report 1 1 154 227 323 25 <3 7 16 75 85 131 258 D130 D361 D1084 D3648

SPECIFICATION OF RUSSIAN AVIATION KEROSENE TYPE JET A1 GOST 52050-2006 COMPONENT UNIT Min/Max Test Methods ASTM / IP / GOST COMPOSITION Appearance C&B (1) Visual Colour, Saybolt Report (2) D156, D6045 Acidity, Total mg KOH/g Max. 0.10 D3242, IP 354 Aromatics vol % Max. 25.0 D1319, IP 156, GOST R 52063 Sulphur, Total wt % Max. 0.25, D1266 Sulphur, Mercaptan wt % Max. 0.0030 (3) D3227, IP 342, GOST R 52030 OR Doctor Test Negative (3) D4952, IP 30 VOLATILITY Distillation Temperature: D86, IP 123 10% Recovery C Max. 205.0 50% Recovery C Report 90% Recovery C Report Final BP C Max. 300.0 Distillation Residue vol % Max. 1.5 Distillation Loss vol % Max. 1.5 Flash Point C Min. 38.0 D56 (4), D3828, IP170 Density @ 15 C kg/m3 775.0-840.0 D1298, D4052, IP 160, IP 365, GOST R 51069 FLUIDITY Freezing Point Viscosity @ 20 C (cst) COMBUSTION C Max. -47.0 (5) Max. 8 D2386, D5972, D 7153, IP 16 Net Heat of Combustion MJ/kg Min. 42.80 (6) D3338, D4529, D4809 Smoke Point mm Min. 25 D1322, IP 57 OR Smoke Point mm Min. 19 D1322, IP57 AND Naphthalenes vol % Max. 3 D1840 CORROSION Copper Strip (2h @ 100 C) THERMAL STABILITY Max. No.1 D130, IP 154

JFTOT 6P @ 260ºC (mm Hg) Tube Rating (Visual) CONTAMINANTS Max. 25 Max. <3 (7) D3241, IP 123 Existent Gum Max. 7 (8) D381, IP 131 Water Reaction Interface Rating Max. 1b D1094 MSEP Rating Fuel without SDA Min. 85 Fuel with SDA Min. 70 Particulates mg/dm 3 Max. 1.0 (2) D5452, IP423 OTHER Conductivity ps/m 50-600 D2624, IP 274, GOST 25950 Without SDA Max. 10 BOCLE Wear Scar Diameter (mm) ADDITIVES Max. 0.85 (9) Antioxidant Optional (24 mg/l ) Static Dissipator Optional (10) Lubricity Improver Optional (11) D5001

SPECIFICATIONS OF MAZUT ORIGIN: RUSSIA M-100 GOST 10585-75 COMPONENT UNIT RESULT Ash content, not more % 0.14 Mass fraction of sulphur, not more (low sulphur residual oil) % 0.5 Temperature of the flash, not less (in the closed crucible) 65 (in the open crucible) 110 The temperature of solidification, not higher 25 Kinematics Viscosity 118 Water Content % 0.5 Mechanical Impurities % Lower than 0.1 Acidity mg KOH/ 100ml Lower than 5 Alkalinity nil Gross Calorific Value Kcal/kg / KJ/kg 9200 / 41300 Density at 15.0 deg. C Kg/l 0.8900-0.9200 Hydrogen Sulfide Content (H2S) ppm 0.5 Carbon Residual % Lower than 7 Vanadium ppm 23 Aluium ppm 5 Silikon ppm 12 Nickel ppm 29 Asphaltenes m/m 3.6% Destilation @4 mm Hg Extracted to 760 mm Hg Initial Boiling Point deg. C 216 5% recovered 259 10% recovered 310 20% recovered 358 30% recovered 445 40% recovered 502 50% recovered 534 60% recovered 538 75% recovered 545 Final Boiling point deg. C 550 Percent Recovered vol % 78 Residua vol % 22 Total Nitrogen m/m % 0.192 Sodium (Na) ppm 15

M-100 GOST 10585 99 COMPONENT UNIT RESULT The temperature of solidification, not higher 42.0 Kinematics Viscosity @ 80 C not higher, Conditional 16.0 Kinematics Viscosity @ 80 C not higher, Kinematical mm 2 /c 118 Kinematics Viscosity @ 100 C not higher, Conditional 6.8 Kinematics Viscosity @ 100 C not higher, Kinematical mm 2 /c 50 Ash Content, not more Low Ash Mazut % 0.05 Normal Ash Mazut % 0.14 Mechanical Impurities, lower then % 1.0 Water Content, not higher than % 1.0 Water Dissoluble Acids (Alkalinity) Absent Mass fraction of Sulphur, not more % Grade I % 0.5 Grade II % 1.0 Grade III % 1.5 Grade IV % 2.0 Grade V % 2.5 Grade VI % 3.0 Grade VII % 3.5 Temperature of flash in the open crucible, not less than C 110 Gross Calorific Value not less than KJ/Kg 40530 Temperature of sodification, not higher than C 25; 42 (for mazut from high paraffin oil) Heat of combustion (the lowest) recalculated for solid fuel, not less than KJ/Kg Grade I, II, III and IV 40530 Grade V, VI, VII 39900 Density @ 20 C kg/m 3 Not standardized, Must be defined

SPECIFICATION OF VISCOUS ROAD BITUMEN GRADE OF BND GOST 22245-90 (ORIGIN RUSSIA) Parameter BND 200/300 BND 130/200 BND 90/130 BND 60/90 BND 40/60 The depth of penetration of the needle into the bitumen, 0.1 mm: @ 25 C 201-300 131-200 91-130 61-90 40-60 @ 0 C 45 35 28 20 13 Softening point ring and ball, C, not less: 35 39 43 47 51 Extensibility, not less than: @ 25 C - 65 60 50 40 @ 0 C 20 6 4,2 3,5 - Brittleness temperature, C, : -20-18 -17-15 -10 Flash Point, C, not less: 200 220 220 220 220 Adhesion to the marble or sand Change of softening temperature after heating, C, not more: Satisfied according to the control sample 2 8 7 6 6 6 Penetration index: +1 - -1-1 -1 Content of water-soluble compounds,%, not more: 0,2 0,2 0,3 0,3 0,3 Packaging Details: Packed in New Steel Drums