Key Facts

—The money. Southern Copper, part of México’s Grupo México, raised $1.25bn in a New York bond sale to develop the Tía María project.

—The terms. The bonds pay annual interest of five and thirty-five hundredths percent until they mature in twenty thirty-six.

—The output. Tía María is designed to produce one hundred and twenty thousand tonnes of refined copper a year.

—The timeline. The company expects the mine to begin operations in the third quarter of twenty twenty-seven.