Group 1 - STRABAG's subsidiary ZÜBLIN has secured two contracts from Codelco for the development of the Chuquicamata Underground Mine "Mina Norte" in Chile, with a combined value of approximately €800 million ($944 million) [1] - The project aims to convert Chuquicamata from an open-pit operation to an underground mine, scheduled for completion in 2031, marking one of STRABAG's largest mining projects in Chile [1][2] - The scope includes constructing over 54 kilometers of tunnels and related infrastructure, with around 1,200 workers involved during the construction period [2] Group 2 - STRABAG has nearly four decades of continuous operation in Chile, with experience in major mines such as El Teniente and Candelaria, and has completed over €6 billion in projects across Chile's principal mining regions [3] - STRABAG executive board member Siegfried Wanker emphasized that the Mina Norte project will enhance STRABAG's role as a trusted partner in large-scale mining and expand its presence in markets outside Europe [4] - ZÜBLIN has previously undertaken complex tunneling projects, achieving tunnel advances of up to 1,900 meters per month under contracts like Chuquicamata Subterránea [4] Group 3 - STRABAG's Polish subsidiary recently obtained two contracts totaling approximately €147 million for road modernization works in Poland, further establishing its role in the country's mobility infrastructure sector [5]