1. Yokogawa Indonesia ＜ Document Number> Copyright © 2004, Yokogawa Indonesia January 26, 2005 Maintenance Services for GC

2. Copyright © 2004, Yokogawa Indonesia YIN-CMK Page.2 Evolution of Yokogawa Gas Chromatograph GC6 GC8 GC1000MkII GC1000 8110 1959 1979 1984 1994 2001 Start PGC Business Micro-processor Model Overseas Model Air Bath type Model Enhanced Model

3. Copyright © 2004, Yokogawa Indonesia YIN-CMK Page.3 Indonesian Customers for Yokogawa GC NoCustomer NamePlantKGC No. 1AsahimasVCM4105/4106 2Asean Aceh Fertilizer (AAF)Ammonia1706/4991 3BANKO, INDNS, JICAOthers2189 4IHI IndonesiaCity Gas, LNG3399/3409 5PertaminaLPG2440 ~ 2443 6PertaminaLPG2619 ~ 2624 7Pupuk Iskandar MudaAmmonia3943 8Nippon Shokubai IndonesiaAcrylic Acid4395 ~ 4398 9Styrindo Mono IndonesiaEB4661 ~ 4664 10Styrindo Mono IndonesiaStyrene/BTX3288/3289/3988 11Badak NGL CompanyLNG3411 ~ 3514/4562 12Petrokimia Nusantara InterindoEtylene2941 ~ 2949 13Petrokimia Nusantara InterindoPE4301 ~ 4310/4949 14Petro Oxo Nusantara4328/4329/4633 Customer List in Indonesia

4. Copyright © 2004, Yokogawa Indonesia YIN-CMK Page.4 Indonesian Customers for Yokogawa GC NoCustomer NamePlantKGC No. 15Petnesia Resindo4024 16Tuban Petrochemical ComplexBTX4470 ~ 4479 17Pertamina CO2 Removal PlantCO2 Removal5862 18Mitsubishi Chemical IndonesiaPXY/NBA6054 19Pupuk SriwijayaAmmonia5713 Total System Installed = 70 system

5. Copyright © 2004, Yokogawa Indonesia YIN-CMK Page.5 Status of Product Supply of Yokogawa GC Based on Sales News No. SPMK 03E-025 Date October 20, 2003 : 1.Product (1) 8111, 8114, GC6, GC6P, GC8AB, GC8AG, GC8P, GCSS, GC 1000 Not Available (2) GC8AA Available only in Japanese Market (3) GC1000MarkII, GCCU, GCCL, GCIU, GCHUB, GCAS On sale 2.Spare parts (1) 8111, 8114, GC6, GC6P, GC8AB, GC8AG, GC8P Not available except the valve seat and the valve gland (2) GC8AA Available until May 1, 2010 (3) GCSS Available until February 1, 2005 (4) GC1000 Available until July 16, 2007 (5) GC1000MarkII, GCCU, GCCL, GCIU, GCHUB, GCAS On sale

6. Copyright © 2004, Yokogawa Indonesia YIN-CMK Page.6 Service Provided by YIN SVD 1.Training Title : Basic Gas Chromatography Duration : 3 Days Location : YEA Singapore 2.Installation Supervision 3.Start-up & Commissioning 4.Shutdown Maintenance - Replacing some parts - Cleaning - Resetting flow and pressure requirement - Recalibration - Documentation 5.Maintenance Contract - Preventive Maintenance - Shutdown Maintenance

7. Copyright © 2004, Yokogawa Indonesia YIN-CMK Page.7