TeleCommunication Systems, Inc.

Comcast Corporation (Nasdaq: CMCSA, CMCSK) is a global media and technology company with two primary businesses, Comcast Cable and NBCUniversal. Comcast Cable is the nation’s largest video, high-speed Internet and phone provider to residential customers under the XFINITY brand as well as to businesses. NBCUniversal operates 30 news and entertainment cable networks, the NBC and Telemundo broadcast networks, television production operations, television station groups, Universal Pictures and Universal Parks & Resorts.

AT&T, Inc. is a holding company, which engages in the provision of telecommunications media and technology service. It operates through the following segments: Communications, WarnerMedia, Latin America and Xandr. The Communications segment provides services to businesses and consumers located in the U.S., or in U.S. territories, and businesses globally. The WarnerMedia segment develops, produces and distributes feature films, television, gaming and other content over various physical and digital formats. The Latin America segment provides entertainment and wireless services outside of the U.S. The Xandar segment provides advertising services. The company was founded in 1983 and is headquartered in Dallas, TX.

Telefónica is one of the world leaders integrated operator in the telecommunication sector, providing communication, information and entertainment solutions, with presence in Europe and Latin America. It operates in 25 countries. As of September 2012, Telefónica’s total number of customers amounted to 313.8 million. Telefónica has one of the most international profiles in the sector with more than 75% of its business outside its home market and a reference point in the Spanish and Portuguese speaking market. The Group stands in eighth position in the sector Telco worldwide in terms of market capitalisation the 1st as an European integrated operator and in fifteenth position in the Eurostoxx 50 ranking, composed of the major companies in Europe (September 30st 2012). Telefónica is a listed company. It has more than 1.5 million direct shareholders. Its capital traded on the continuous market on the Spanish Stock Exchanges (Madrid, Barcelona, Bilbao and Valencia) and on those of London, New York, Lima and Buenos Aires. In Latin America, Telefónica gives service to more than 210.1 million customers as of the end of September 2012 becoming the leader operator in Brazil, Argentina, Chile and Peru and has substantial operations in Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Mexico, Nicaragua, Panama, Puerto Rico, Uruguay and Venezuela. In Europe, on top of the Spanish operations, the Company has operating companies in the United Kingdom, Ireland, Germany, Czech Republic and Slovakia, providing services to more than 102.9 million customers as of the end of September 2012