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Our History

Our history tells the story of dedicated employees with a drive for excellence. For the past 50 years, Mosaic and its predecessor companies have been an integral part of the fabric of Saskatchewan.

1962

1962

Saskatchewan celebrates the first potash producing underground mine on June 8 in Esterhazy, fondly named K1, then owned by IMC Global.

1964

1964

Kalium Chemicals Ltd. builds the first solution mine in Belle Plaine, near Moose Jaw, Saskatchewan.

1967

1962

Development of a second underground mine, K2, in Esterhazy, Saskatchewan begins.

1969

1969

Central Canada underground mine in Colonsay SK, near Saskatoon, was built.

2004

2004

The crop nutrition business of Cargill, Inc. and IMC Global form a new crop nutrition company, The Mosaic Company.

2009

2009

Plans are announced for a new underground mine in Esterhazy named K3.

2011

2009

Shaft sinking begins at K3.
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2012

1962

50 years of mining celebrated in Esterhazy.
WATCH VIDEO

2017

2017

February: Mosaic celebrates reaching potash at K3 in Esterhazy SK.
May: Mosaic celebrates the next 50 years of potash in Saskatchewan with stakeholders in Esterhazy.

2018

2018

January: Completed the acquisition of Vale Fertilizantes in Brazil.
December: Celebrated the completion of the overland conveyor from Esterhazy K3 to the K2 mill.

2018

1962

Completed the acquisition of Vale Fertilizantes in Brazil

2019

2019

Celebrate 50 years of mining in Colonsay, SK.

2020

1962

March: Announced plans to join potash and phosphate businesses into an integrated North America business.
June: Esterhazy K1 celebrates 57-years of mining in Saskatchewan.

K3

We are proud of our story and the rich history. The completion of K3, Mosaic’s newest underground mine in Esterhazy, signifies our commitment to the long-term sustainability of our operations and the vision we have for the future of Mosaic in Saskatchewan.

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