Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX: MARI) is pleased to announce that it has entered into a water option agreement to secure the future water supply required for the Marimaca Copper Project (the “Project”) in Chile. Under the agreement, seawater would be supplied following its use in cooling systems at an electricity plant in Mejillones, located 25km from the Project and operated by one of Chile’s largest energy suppliers. The option has a term of 5 years, with the ability to extend for 2 years, and will allow the Company to advance final Project permitting and technical studies, including water pipeline studies that are already underway.