Cleary Gottlieb represented long-standing client Corporación Nacional del Cobre de Chile, a Chilean state-owned company that is the world’s largest copper producer, in its $2 billion Rule 144A/ Reg S debt offering of 4.500% notes due 2025. The offering, for which Merrill Lynch, HSBC and J.P. Morgan acted as initial purchasers, priced on September 9 and closed on September 16.