The 2nd Natural Gas for Vehicles Event for Asia-Pacific Bringing Product and People Together by SUPER CENTRAL GAS COMPANY LIMITED BITEC, Bangkok, Thailand November 28, 2007 SUPER CENTRAL GAS COMPANY LIMITED

PRESENTATION TOPICS MARKET AT A GLANCE MARKET SEGMENTATION FACTOR WHICH EFFECT TO CONSUMER REGULATION FOR NGV EQUIPMENT IN THAILAND SUPER CENTRAL GAS COMPANY LIMITED

MARKET AT A GLANCE AS OF OCT 10, 07 SUPER CENTRAL GAS COMPANY LIMITED

NGV station that are in operation MARKET AT A GLANCE AS OF OCT 10, 07 NGV station that are in operation 153 stations Bangkok and outskirts 83 stations Middle region 43 stations Northeastern region 10 stations Southern region 6 stations Northern region 6 stations SUPER CENTRAL GAS COMPANY LIMITED

NATIONAL STRATEGY IN SOLVING OF ENERGY DEPLETION MARKET AT A GLANCE NATIONAL STRATEGY IN SOLVING OF ENERGY DEPLETION Government Policy (May 17, 2005): Agreed to promote alternative source of energy for fuel oil and improve efficiency in energy usage for transportation as follows: Transportation sector : National consumption of fuel oil decrease 25% in 2009 by: 1. Usage of alternative source for fuel oil : Decrease fuel oil consumption 15% in year 2008 NGV: Replacing consumption of fuel oil 10% in year 2008 GASOHOL: Promoting usage all over the country in year 2008 BIODIESEL: Starting to plant palm tree, target usage of Bio Diesel 8.5 million liters per day in year 2012 2. Improvement of Logistic System : Decrease fuel oil consumption 10% Improve of public transportation and logistic system Decreasing of land transportation by increasing usage of railway, barge and piping Set new fuel oil distribution system SUPER CENTRAL GAS COMPANY LIMITED

NGV CONSUMPTION AND FUEL REPLACEMENT MARKET AT A GLANCE NGV CONSUMPTION AND FUEL REPLACEMENT 2007 2008 2009 2010 2011 NGV Consumption (MMSCFD) 64 141 272 413 509 Gasoline Replacement (Million Liter/Year) 438 584 752 883 1,026 Replacement % 6 % 9 % 10 % 11 % 12 % Replacement Value (Million Baht / Year) 6,008 7,991 10,258 12,047 14,015 Diesel Replacement (Million Liter/Year) 248 891 2,044 3,332 4,354 1 % 13 % 20 % 24 % 3,696 13,244 30,347 49,422 61,718 Total Replacement (Million Liter / Year) 686 1,475 2,796 4,216 6,406 Total Replacement % 3 % 7 % 16 % 19 % Total Replacement Value (Million Baht / Year) 9,704 21,234 40,605 61,489 75,773 Remark : NGV Consumption calculate from Vehicle Amount at December 31 of each year Price CIF @ January 22, 2007 Gasoline: 60.1 $/BBL Diesel: 65.3 $/BBL SUPER CENTRAL GAS COMPANY LIMITED

NGV CONSUMPTION AND FUEL REPLACEMENT MARKET AT A GLANCE NGV CONSUMPTION AND FUEL REPLACEMENT TARGET : 257,000 VEHICLES 535 STATIONS @ 2011 TARGET: USAGE OF ALTERNATIVE SOURCE OF FUEL 20% @ 2011 Bar Graph Consumption of NGV (MMSCFD) Line Graph Fuel Replacement (Million Liters/Year) Bar Graph No. of NGV Station Line Graph Vehicle (‘000) Diesel Replacement Gasoline Replacement SUPER CENTRAL GAS COMPANY LIMITED

MARKET AT A GLANCE Expansion Target of NGV Vehicle (Unit : Vehicle) Vehicle Type 2006 2007 2008 2009 2010 2011 Gasoline Engine 22,890 52,00 74,700 101,00 128,00 160,00 Diesel Engine 2,950 8,850 24,300 50,300 79,600 96,600 Total NGV Vehicle 25,840 60,850 99,000 151,300 207,600 256,600 Expansion Target of NGV Station (Unit : Station) Region Bangkok/Boundary 73 181 212 253 277 285 Middle 24 56 85 100 115 140 North 10 15 22 28 40 North-East 5 25 35 50 South 2 8 13 20 Total Station 104 270 350 425 480 535 SUPER CENTRAL GAS COMPANY LIMITED

MARKET SEGMENTATION (Volume of vehicles) Plan to 2011   (Volume of vehicles) Plan to 2011 To be converted per year (‘000) Gasoline Personal car 3,000 160 30 Taxi 69 Three-wheeler (Tuk-Tuk) 24 Company car* * Government car/ State Enterprise car ~10 Diesel Van 6 96.6 23 Pickup 3,300 Bus / Coach 75 Truck / Trailer 700 Company Van* Bangkok Mass Transit Authority / The Transport Company Limited 7 LPG-->NGV Taxi 60,000 Remark: * The estimation of the volume of company car (All types) ~ 200,000 vehicles SUPER CENTRAL GAS COMPANY LIMITED

Cost of Installation Conversion Kit Cost of Fuel Decrease/Vehicle MARKET SEGMENTATION Vehicle Type Cost of Installation Conversion Kit (‘000 Baht) Running Distance (Km/Day) Replacement (Liter/Year) Turnover Period (Month) Cost of Fuel Decrease/Vehicle User Saving National Saving (‘000 Baht /Year) Gasoline Vehicle Personal Car - Bi Fuel - OEM Taxi - Bi Fuel 50 100 200 400 2,900 5,800 13,900 12 3 5 238 23 46 111 Diesel Vehicle Van/Pickup - DDF 45 250 3,700 10 55 25 - Bi Fuel Trailer - DDF - Dedicated - Repowering Bus - DDF 60 600 1,500 180 500 9,100 26,000 81,100 14,600 45,600 6 14 9 148 376 1,175 1,313 223 696 75 171 533 669 107 334 Remark (1) Retail Price: Gasoline 25.64 Baht/Liter, Diesel 24.63 Baht/Liter, NGV 8.50 Baht/Kg. (2) Usage Proportion NGV : Bi Fuel (80-95%) DDF (30-40%) Dedicated/Repowering (100%) SUPER CENTRAL GAS COMPANY LIMITED

COOPERATE/ GOVERNMENT FACTOR WHICH EFFECT TO CONSUMER FACTOR  GASOLINE DIESEL TAXI COOPERATE/ GOVERNMENT PRIVATE DDF DEDICATED Difference in fuel pricing 5 4  5 5  Storage capacity of NGV 4  3   3 Weight of equipment 2   4 Space occupant of equipment 3 Number of station and its location Life time of equipment Effect of NGV to engine and maintenance fee Equipment pricing Government policy and promotional campaign   Reduce import tax Equipment pricing subsidiary Reduce annual tax Education to people Quality of installer Conversion technology SUPER CENTRAL GAS COMPANY LIMITED Remark: 0 = Lease significant 5 = Most significant

REGULATION FOR NGV EQUIPMENT IN THAILAND APPLICABLE STANDARD CYLINDER TIS 2311-2549   ECE R110 ISO 11439 ANSI/CSA NGV2-200 CONVERSION KITS TIS 2325-2549 ISO 11550 SUPER CENTRAL GAS COMPANY LIMITED

THANK YOU SUPER CENTRAL GAS COMPANY LIMITED