The Mining Open Innovation Program EXPANDE invites you to prequalify for a new Challenge for the Escondida Mine "Avoid Jarosite formation in Copper Sulfide Leaching Heaps”... register and upload the information requested in the attached technical sheet until august 26,2019 20:00 (UTC/GMT -4 Hours).

The Open Innovation in Mining Program EXPANDE invites you to prequalify for a new Challenge of the company Spence Mine “Silica exposure reduction”.. register and upload the requested information in the enclosed sheet until August 15, 2019, 20:00 hrs (UTC/GMT -4 hrs).

The Mining Open Innovation Program EXPANDE invites you to prequalify for a new Challenge for the Spence Mine "Improving recovery from heap leaching operations”..egister and upload the information requested in the attached technical sheet until August 15,2019 20:00 (UTC/GMT -4 Hours).

The Open Innovation in Mining Program EXPANDE invites you to prequalify for a new Challenge of the company Antofagasta Minerals “Selective mining through mineral classification (ore sorting)”... register and upload the requested information in the enclosed sheet until September 24, 2019, 15:00 hrs (UTC/GMT -4 hrs).

The Open Innovation in Mining Program EXPANDE invites you to prequalify for a new Challenge of the company CODELCO “Characterization of drawpoints in underground mining”... register and upload the requested information in the enclosed sheet until August 26, 2019, 15:00 hrs (UTC/GMT -4 hrs).

The Open Innovation in Mining Program EXPANDE invites you to prequalify for a new Challenge of the company Antofagasta Minerals “Real-time monitoring of vital signs of workers”.. register and upload the requested information in the enclosed sheet until August 19, 2019, 15:00 hrs (UTC/GMT -4 hrs).

The Open Innovation in Mining Program EXPANDE invites you to prequalify for a new Challenge of the company Minera Escondida “Humidity in Tailings”.. Register and upload the requested information in the enclosed sheet until August 7, 2019, 23:59 hrs (UTC/GMT -4 hrs).

The Mining Open Innovation Program EXPANDE invites you to prequalify for a new Challenge for the Spence Mine " Improving recovery from heap leaching operations”. The prequalification communication to suppliers that meet the technical requirements of the Challenge will be held on August 14,2019.

The Open Innovation in Mining Program EXPANDE invites you to prequalify for a new Challenge of the company CODELCO “Control and Reduction of Particulate Matter Emissions in Open Pit by Blasting and other Specific Events”. The prequalification notice for the companies that fulfill the technical requirements of the Challenge will take place in September 3, 2019.

The Open Innovation in Mining Program EXPANDE invites you to prequalify for a new Challenge of the company Minera Escondida “Pipeline change automation”. The prequalification notice for the companies that fulfill the technical requirements of the Challenge will take place in August 28, 2019.