Mark J. Noble

Citigroup Global Markets, Inc. (Broker) (CGMI-Broker) is the broker/dealer division of Citigroup Global Markets, Inc., an investment bank headquartered in New York City with additional offices across the US. The firm was founded in 2004 and is a subsidiary of Citigroup Financial Products, Inc., ultimately held by Citigroup, Inc. (NYSE: C). CGMI-Broker covers all market capitalizations of the major global indices and provides macro and quantitative analysis of global markets and sector trends. Their core focus of the group is to help investing clients make informed decisions by providing value-added, independent, insightful analysis.

São Paulo Locação de Torres Ltda. engages in the provision of telecommunications infrastructure services. It offers towers for antenna installations, caged individual compartments, green field sites, roof tops and energy efficiency services. The company was founded by Jim Eisenstein on November 01, 2010 and is headquartered in Sao Paulo, Brazil.

Providence Equity Partners LLC (Providence Equity Partners) is a private equity firm founded in 1989 by Glenn Creamer and Jonathan M. Nelson. The firm is headquartered in Providence, Rhode Island.