José Miguel Knoell

G. Barbosa Comercial Ltda. operates supermarkets and hypermarkets, soft discount supermarkets and pharmacies. The company operates in the Sergipe and Bahia regions. GBarbosa Comercial was founded on July 13, 1955 and is headquartered in Nossa Senhora do Socorro, Brazil.

ACON Investments LLC (ACON Investments) is a private equity firm founded in 1996 by Kenneth R. Brotman, Bernard W. Aronson and Jonathan J. Ginns. The firm is headquartered in Washington D.C., the United States with additional offices in Dallas, Los Angeles, New York, Bogota, Madrid, Mexico City and Sao Paulo.

GBS Finanzas SA (GBS Finanzas) is an independent private equity firm founded in 1991 by Pedro Gomez de Baeza and Juan Antonio Samaranch. The firm is headquartered in Madrid.

Vitalis Pharmaceuticals Holding SL is an investment holding company based in Madrid, Spain.

Vetra Energía SL is an oil exploring company. It is engaged in acquisition, tenure, administration and management of securities, with interest in the gas and oil field. The company was founded on January 11, 2007 and is headquartered in Madrid, Spain.

S.G. Warburg Group Plc provides investment banking services. The company is focusing on mergers and acquisitions. It was founded in 1934 and is headquartered in London, the United Kingdom.

SAE Towers Ltd. engages in the production of steel lattice towers for high-voltage power transmission. Its products and services include towers, poles, substation structures, hardware, engineering and tower testing. The company was founded in 1926 and is headquartered in Houston, TX.