Oi Investor Relations Material

Oi S.A. is a Brazilian telecommunications company offering a comprehensive range of services both domestically and internationally. The company's service portfolio encompasses fixed telephony, both local and international long-distance services, alongside maintenance and repair services. Oi S.A. also delivers call center and telemarketing services, Internet access, network services, Wi-Fi Internet services, financial services, payment and credit system services, as well as consulting services. Additionally, the company engages in investment management activities. It operates under the Oi brand, along with Claro TV and Oi TV for its subscription television services, providing innovative IT solutions for businesses of all sizes through a cloud computing platform. The company is headquartered in Rio de Janeiro, Brazil, and its shares are listed on the São Paulo Stock Exchange.