AMPLA ENERGIA E SERVIÇOS S.A. — Investor Relations & Filings

Ampla Energia e Serviços S.A., operating as Enel Distribuição Rio, is a utility company focused on the distribution and generation of electric power. As a subsidiary of the Enel Group, the company serves a diverse customer base across residential, commercial, and industrial sectors. Its operational footprint covers approximately 66 municipalities, primarily within the state of Rio de Janeiro and extending into Minas Gerais. Formerly known as Companhia de Eletricidade do Rio de Janeiro (CERJ), the entity manages critical infrastructure to provide energy to millions of consumer units. Core business activities include the operation and maintenance of electricity distribution networks, technical support services, and energy supply management. The company is recognized for its extensive regional grid infrastructure and its role in delivering essential energy services to a broad demographic and economic spectrum.