Luiz Kaufmann

The Group's principal activities are the management and exploration of public, private and industrial telephone services. Its operations also include leased lines and data transmission. The Group operates in the market of cellular mobile telephone service, telex transmission and other related services in the State of Minas Gerais.

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.

Amil Saúde Ltda. provides medical services and permanent medical aid to the legal entities. The Group maintains covenants with hospital entities, dental and medical clinics. It has 4 hospitals and 13 medical centers in Sao Paulo and Brasilia. The company is headquartered in São Paulo, Brazil.

Aracruz Celulose SA produces bleached eucalyptus pulp. The company produces tissues, printing and writing papers, liquid packaging boards and specialty papers. The company was founded in 1967 and is headquartered in Rio de Janeiro, Brazil.

Part of America Movil SAB de CV, PrimeSys Solucoes Empresariais SA is a Brazilian telecommunications company that provides data, voice and image network telecommunications services, systems integration, web hosting, Internet consulting and IT consulting services. The company is based in São Paulo, Brazil. The CEO of the company is José Formoso Martínez. PrimeSys Solucoes Empresariais was acquired by Embratel Participações SA from PHarol SGPS SA on November 28, 2005 for $109.59 million.

Companhia Providência Indústria e Comércio is engaged in the manufacture and sale of plastic products and nonwoven fabrics. Its product categories includes Hygienic Disposable Products, Medical and Hospital Disposable Devices, and Durable Goods. The Hygienic Disposable Products segment includes disposable diapers, sanitary pads, cleansing tissues, and products for incontinence problems. The Medical and Hospital Disposable Devices segment comprises of clothing items and disposable devices for medical protection such as masks, caps, shoe covers, blankets, bed sheets, and aprons. The Durable Goods segment includes bed and table wares, mattresses, comforters, pillows, sofas, furniture, shoes, suitcases, purses, internal car cover, ecobags, sports clothing and accessories, and agricultural covers. The company was founded on June 14, 1963 and is headquartered in Sao Jose dos Pinhais, Brazil.