Companhia Catarinense de Águas e Saneamento - CASAN Reports Earnings Results for the Full Year Ended December 31, 2023

Companhia Catarinense de Aguas e Saneamento Casan (Casan) is a Brazil-based company primarily engaged in the operation of water treatment plants and water supply systems. The Company is active in the planning, operation and exploration of the sewage and water utility infrastructure, as well as in performance of basic sanitation works in partnership with municipalities of the Brazilian state of Santa Catarina. The Company also operates regional laboratories to monitor the physical, chemical and bacteriological factors in water and sewage throughout its service area. As of December 31, 2011, it operated 247 water supply systems and 37 sewage systems in 199 municipalities located in the state of Santa Catarina and one in the state of Parana, supplying approximately 2.5 million inhabitants. The Company is controlled by the government of the state Santa Catarina.