Unicoh Specialty Chemicals CO., LTD. 920-1 Guedong-dong Nam-gu Pohang Kyungbuk South Korea ☎ +82-54-285-0900, FAX +82-54-285-3416 http : //www.unicoh.co.kr e-mail : unicoh@unicoh.co.kr Date of Establishment 01-04-1976 Number of Employee 60 Sales Volume U$19Mil. (2006) Quality Management ISO9001, ISO14001 Manufacturing Items : Corrosion inhibitor, Anti finger print agent, Galvanized Cr-free solution for galvanized steel sheet Major Customer : POSCO, etc. Reference : Client Main Item Q’ty Delivery POSCO -. Corrosion inhibitor -. Dispersion agent 2000ton/year 30years -. Cold roll Cr-free solution -. Degreasing agent 1500ton/year 3years HYUNDAI HYSCO -. Anti finger print agent 650ton/year 10years DONGKUK STEEL MILL CO,.LTD -. Corrsion inhibitor -. Organic flocculant 150ton/year 20years UNION STEEL CO,.LTD 500ton/year 2years 1

□ Product & Cuslomers Item Customers application Water treatment chemicals ·Corrosion inhibitor ·Dispersion agent ·Biocide POSCO HYUNDAI STEEL HYUNDAI HYSCO DONGKUK STEEL MILL Taekwang Industrial Waste water treatment chemicals ·Cohesive agent ·Heavy metal removal ·Chromaticity removal Novelis Korea Limited Industrial production chemicals ·peroxide stabilizer ·Acid activator ·machine cleaner Hansol Paper Poongsan Norske Skog Surface treatment chemicals ·High lubricative Anti-finger print ·Cr-free Anti-finger print ·Anti-white rust Hyundal Hysco SeAh steel Doonwon steel Husteel

3 Water treatmant chemicals Anti finger print agent & Cold roll Cr-free solution 3