A statement by King Soopers accused union negotiators of “stall tactics and creating uncertainty.” The company said its final offer included significant investments of up to a 6% increase in the first year of the contract and “promises to support, protect and invest” in employees’ interests.

On Thursday, the day before the labor contract extension expired, King Soopers presented a "final offer" to the union that featured "significant investments of up to a 6% increase in year one of the contract" and vowed to "support, protect and invest in the interests of their valued associates," the company said in a release.

The company said Thursday night that it has made its “last, best and final offer” to the workers. It’s unclear if the workers are considering a strike.

Management at the Kroger-owned chain is demanding extensive concessions, especially from part-time workers, while the union has failed to put forward its own wage demands.