12/01/2016 01:03 EST | Updated 12/01/2016 01:12 EST

Mondelez' Montreal Cookie Factory To Shut Down, Throwing 454 Out Of Work

Oreo, Ritz factory will be shut by end of 2017.

MONTREAL — The Mondelez cookie and cracker factory in Montreal will close by the end of 2017, resulting in the disappearance of 454 jobs.

The job losses will take place on a gradual basis.

The Mondelez plant is seen Thursday, December 1, 2016, in Montreal. The makers of Oreo cookies and Ritz crackers announced it will gradually close its Montreal plant laying off its 454 employees. (Photo: The Canadian Press/Paul Chiasson)

Company spokeswoman Stephanie Cass says the decision followed a company review of its supply chain.

Cass did not provide many details, calling it a "difficult day'' for employees.

She said the company will maintain its activities in its five other Canadian factories.

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