Pioneer of Chemical Industry

Incheon Soda Ash Plant in 1968

• 1959

  Established as Oriental Chemical Industries

• 1965

  Reclaimed 2.64 million ㎡ for Incheon Soda Ash Plant

• 1968

  Commissioned Incheon Soda Ash Plant

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Sustainable Growth towards Global Chemical Company

Commisioned Iksan Hydrogen Peroxide Plant in 1979

• 1974

  Established Korea Steel Chemical

• 1975

  Established KoFran Chemical

• 1976

  Entered pesticide business Commissioned Pohang Plant

• 1978

  Commissioned Ulsan Calcium Phosphate Plant

• 1979

  Commissioned Iksan Hydrogen Peroxide Plant

Focusing on Qualitative Development

Incheon R&D Center in 1983

• 1980

  Established Korea Potassium Chemicals (Currently Unid)

• 1981

  Established Dongyang Elanco

• 1983

  Opened R&D Center in Incheon

• 1984

  Established Korea Steel Petrochemicals

• 1985

  Established Ordeg Co., Ltd

• 1986

  Established Eyang Chemical

• 1987

  Commissioned Gwangyang Plant

• 1988

  Established Dongyang Silicone

Entering the Global Marketplace

Commissioned TDI Plant in 1991

• 1991

  Commissioned TDI Plant

• 1992

  Commissioned PVA Plant

• 1994

  Acquired Samkwang Glass Industries

• 1995

  Acquired Wyoming Soda Ash Plant (USA)

Stepping into the Future

Renamed as OCI in 2009

• 2001

  Established DC Chemical (DCC)

• 2006

  Acquired Columbian Chemicals (USA)

• 2008

  Established DCC Shanghai (China)
  Launched polysilicon production
  

• 2009

  Ranked No.1 on the Boston Consulting Group's 2009 Value Creators rankings
  Acquired Sodiff Advanced Materials (OCI Materials) Completed No.2 Polysilicon Plant and started the construction of No.3 Polysilicon Plant
  Renamed as OCI(former DCC)

Leaping forward to the Green Energy Company

Alamo 2 Solar Plant in USA (2014)

• 2010

  Launched insulation business
  Acquired the first Green Company Certification in Korea
  Completed Shandong OCI (SD OCI) Coal Tar Plant

• 2011

  Acquired Cornerstone Power Development (Currently OCI Solar Power) and entered into Solar PV business
  

• 2012

  Awarded 2012 Transparent Management Award
  Awarded the Green Energy Award
  Signed an agreement for U.S. solar power project

• 2013

  OCI Resource is listed on NYSE Completed Tangshan OCI (TS OCI) Fumed silica plant

• 2014

  Completed Mission Solar Energy(MSE) Plant, USA

• 2015

  Advanced into the Chinese decentralized solar PV generation
  Signed 50MW Solar PV Power supply agreement in Texas, USA

• 2016

  Completed Ma Steel OCI Chemical Completed Shandong OCI Jianyang Carbon Black Completed supply contract of 400MW Solar PV Power Plant in USA Completed OCI SE Cogeneration Power Plant (303MW)

• 2017

  Acquired Tokuyama Malaysia Polysilicon Plant (20,000 MT/yr)

Securing Future Core Competencies

• 2017

  Commercial production of Electronic Grade Polysilicon

• 2018

  Entered Bio business

• 2019

  Concluded the contract for DCRE urban development project (Consortium of 3 construction companies)

• 2020

  Discontinued production of P2,P3 lines for Solar Grade Polysilicon in Korean plant Established P&O Chemical (JV with POSCO Chemical)

• 2021

  DCRE Phase 1~3 pre-sales Sale of TS OCI Entered the high softening point pitch business Entered ECH business

• 2022

  Established a joint venture with Kumho P&B (ECH) Equity investment in Bukwang Pharmaceutical Achieved 35,000MT production capacity for solar polysilicon in Malaysia (Debottlenecking) Started commercial production of 50,000MT of hydrogen peroxide for P&O Chemicals

• 2023

  OCI Holdings Launched