This is a list of key labor contract negotiations scheduled at some of the world's major copper producers before the year-end:

Capacity is in metric tons

Operation – Owner – Type – Capacity – Expiry

Highland Valley Teck Cominco Mine 180,000 Sep 30

El Teniente Codelco Mine 485,000 Oct 31

Salvador Codelco Mine 95,000 Oct 31

Andina Codelco Mine 325,000 Nov 31

Altonorte Xstrata Smelter 295,000 Dec 12

Chuquicamata Codelco Mine 825,000 Dec 31

Chuquicamata Codelco Smelter 750,000 Dec 31

Bankruptcy

Chuquicamata Codelco Refinery 855,000 Dec 31