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Our History

1962

Stauffer Chemical opened its Big Island Mine and Refinery plant in Green River, WY, USA and started producing soda ash from the mined trona.

1984

Stauffer Chemical converted its manufacturing process from conventional “drill and blast” mining to “continuous mining.”

1985

Stauffer Chemical was acquired by Chesebrough Ponds.

1986

Imperial Chemical Industries (ICI), who was in turn acquired by Unilever, took Stauffer Chemical over from Chesebrough Ponds.

1987

Rhone-Poulenc took over Stauffer’s industrial chemicals section (soda ash business) from ICI.

1996

OCI Company, Ltd. took over the soda ash business from Rhone-Poulenc, renaming the new North American subsidiary as OCI Chemical Corporation.

1998

Unit 6, OCI Chemical’s first automated unit, reached production levels of about a million tons per year.

2009

Decahydrate (DECA) plant started recovering soda ash from the tailings ponds which then increased the plant’s overall efficiency.

2013

OCI’s soda ash business was listed on NYSE as a Master Limited Partnership under ticker symbol OCIR, following an intitial public offering.

2015

OCI Chemical corporation was acquired by Ciner Enterprises Inc., a Ciner Group subsidiary, to be renamed as Ciner Resources Corporation.

2016

The soda ash venture was rewarded “2,000,000 Safe Man Hours Without a Lost Time Accident Award”.

2019

Şişecam entered into an equal production partnership contract with Ciner Group for natural soda production in the U.S.

2021

Şişecam has made an investment in the U.S. that will change the structure of its partnership with Ciner Group, taking over the soda ash business and renaming it as Şişecam, while changing its ticker symbol on the NYSE to SIRE. With this investment, Şişecam has become one of the top soda producers in the world.

2023

Şişecam successfully took the company private when it delisted SIRE from the NYSE.

1962

Stauffer Chemical opened its Big Island Mine and Refinery plant in Green River, WY, USA and started producing soda ash from the mined trona.

1984

Stauffer Chemical converted its manufacturing process from conventional “drill and blast” mining to “continuous mining.”

1985

Stauffer Chemical was acquired by Chesebrough Ponds.

1986

Imperial Chemical Industries (ICI), who was in turn acquired by Unilever, took Stauffer Chemical over from Chesebrough Ponds.

1987

Rhone-Poulenc took over Stauffer’s industrial chemicals section (soda ash business) from ICI.

1996

OCI Company, Ltd. took over the soda ash business from Rhone-Poulenc, renaming the new North American subsidiary as OCI Chemical Corporation.

1998

Unit 6, OCI Chemical’s first automated unit, reached production levels of about a million tons per year.

2009

Decahydrate (DECA) plant started recovering soda ash from the tailings ponds which then increased the plant’s overall efficiency.

2013

OCI’s soda ash business was listed on NYSE as a Master Limited Partnership under ticker symbol OCIR, following an intitial public offering.

2015

OCI Chemical corporation was acquired by Ciner Enterprises Inc., a Ciner Group subsidiary, to be renamed as Ciner Resources Corporation.

2016

The soda ash venture was rewarded “2,000,000 Safe Man Hours Without a Lost Time Accident Award”.

2019

Şişecam entered into an equal production partnership contract with Ciner Group for natural soda production in the U.S.

2021

Şişecam has made an investment in the U.S. that will change the structure of its partnership with Ciner Group, taking over the soda ash business and renaming it as Şişecam, while changing its ticker symbol on the NYSE to SIRE. With this investment, Şişecam has become one of the top soda producers in the world.

2023

Şişecam successfully took the company private when it delisted SIRE from the NYSE.

1962
1984
1985
1986
1987
1996
1998
2009
2013
2015
2016
2019
2021
2023

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