Manoel Luiz Ferrão de Amorim

The Group's principal activities are the provision of telecommunication services which include implementation of network services, data transmission, paging services of business communications and related services. The Group provides cable television, telephone directory advertising, courier services, Internet access and related services and operation of public telephone system. It also participates in the capital of other companies.

Vivo Participaçoes SA provides wireless telecommunication services. Its services include phone data transmission, mobile internet services, voice and data transmission, such as access to mobile broadband Internet, video transmission and other on-line communication formats. The company was founded in 1998 and is headquartered in São Paulo, Brazil.

Telefónica Internacional operates as a holding company with interests in the telecommunications industry. The firm is based in Madrid.

Telefónica Internacional Holding SA operates as a holding company with interests in the telecommunications sector. It offers fixed line telecommunication, broadband Internet, and data transmission services through Compania de Telecomunicaciones de Chile SA. The company is headquartered in Santiago, Chile.

Mastercard International, Inc. provides credit card services. It provides access to round-trip bill payment and presentment for industry providers. The company was founded in 1969 and is headquartered in Purchase, NY.

SOMOS Educação SA engages in the edit, market, and distribution of teaching books, educational materials, and workbooks. It operates through the following segments: Educational Solutions for Basic Education, Educational Solutions for Technical and Higher Education, Schools and Preparatory Courses and Languages, and Others. The Educational Solutions for Basic Education segment engages in editorial activities and education systems. The Educational Solutions for Technical and Higher Education segment provides solutions for technical courses. The Schools and Preparatory Courses and Languages segment comprises of preschool, primary school, and secondary school courses, and preparatory courses for university entrance exams. The Others segment deals with transactions among the subsidiaries and the holding's expenses. The company was founded on May 4, 1998 and is headquartered at Sao Paulo, Brazil.