The North American Development Bank will provide US$17.4mn in loans to fund the works on three water and sanitation initiatives in Mexico's northern border region.
Having to pay termination rates 295% higher than those of its competitors, América Móvil vows to dispute what it perceives as subsidies for its competitors.
The two contracts have a combined price tag of US$7mn and are aimed at combating a severe drought that has affected the Pilcomayo river.
The two South American countries have had a mining treaty in place since the 1990s.
Milpo and three other local zinc miners improved their bottom line in the third quarter, as base metals prices surged.
Launched by prosecutors and federal police on Tuesday, the investigation is focused on potential wrongdoings involving public transportation contracts in Rio de Janeiro state.
In an earnings call with investors, CEO Marco Schroeder said that the company would strive to find greatest support possible for a restructuring plan.