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Founded on November 28, 1928, Philippine Long Distance Telephone Company (PLDT) is the leading telecommunications provider in the Philippines. Through its three principal business groups - fixed line, wireless, and information and communication technology - PLDT offers the largest and most diversified range of telecommunications services across the Philippines’ most extensive fiber optic backbone and fixed line, cellular and satellite networks. PLDT is listed on the Philippine Stock Exchange (PSE:TEL) and its American Depositary Shares are listed on the New York Stock Exchange (NYSE:PHI). PLDT has one of the largest market capitalizations among Philippine-listed companies.

PT Indosat Tbk company was founded in 1967 and is headquartered in Jakarta, Indonesia. PT Indosat Tbk operates as a subsidiary of Qatar Telecom Pte. Ltd. PT Indosat Tbk operates as an integrated telecommunications network and service provider in Indonesia. Its primary products and services include cellular services, which include GSM 900 and 1800, and 3G cellular services, as well as wireless broadband services; broadband and narrowband multimedia, data and Internet, and fixed data services (MIDI), including VSAT services, leased circuits, frame relay services, and Internet services to corporate and retail customers, and wholesalers; and fixed telecommunications services. The company’s cellular services comprise voice and data transfer through postpaid and prepaid plans; and other value-added services, such as SMS, MMS, voice SMS, ring-back tone, GPRS, mobile data and facsimile, voicemail, caller identification, call holding, call waiting, call forwarding, billing, direct debit payments, and international roaming services. Its MIDI services include point-to-point international and domestic digital leased line broadband and narrowband services, packet-switching services, and satellite transponder leasing and broadcasting services, as well as Internet network provider services. In addition, the company offers fixed telecommunications services comprising international and domestic long-distance services, and fixed wireless access services. As of December 31, 2009, it served approximately 33.1 million cellular subscribers, including wireless broadband subscribers; and approximately 721,127 wireless broadband services subscribers.

Siemens Aktiengesellschaft company was founded in 1847 and is headquartered in Munich, Germany. Siemens Aktiengesellschaft, an electronics and electrical engineering company, operates in the industry, energy, and healthcare sectors worldwide. In the industry sector, the company’s portfolio ranges from industry automation and drives products and services to building, lighting, and mobility solutions and services, as well as includes system integration and solutions for plant business. It offers automation and drives, industrial solutions and services, transportation systems, Siemens building technologies, and OSRAM lighting solutions. In the energy sector, Siemens Aktiengesellschaft company provides solutions for the generation, transmission, and distribution of power; and extraction, conversion, and transport of oil and gas in the oil and gas industry. In the healthcare sector, it develops, manufactures, and markets diagnostic and therapeutic systems, devices, and consumables; and offers IT systems for clinical and administrative purposes. Siemens Aktiengesellschaft company also provides technical maintenance, professional, and consulting services. In addition, Siemens offers IT solutions and services comprising consulting, design, and implementation services; outsourcing services; and software development, as well as information and communications systems. Further, it provides financial products and services, such as commercial finance, equity and project finance, treasury and investment management, and project and export finance. Additionally, Siemens offers insurance solutions, such as claims management; and acts as a broker of company-financed insurances for employees on business trips and foreign assignments, as well as engages in real estate business. It also has equity investments in Nokia Siemens Networks B.V., a telecommunications infrastructure company; BSH Bosch und Siemens Hausgerate GmbH, a household appliance producer; and ELIN GmbH & Co. KG, a provider of technical building equipment and installation services.

Tata Communications is a leading global provider of a new world of communications. With a leadership position in emerging markets, Tata Communications leverages its advanced solutions capabilities and domain expertise across its global and pan-India network to deliver managed solutions to multi-national enterprises, service providers and Indian consumers. The Tata Global Network includes one of the most advanced and largest submarine cable networks, a Tier-1 IP network, with connectivity to more than 200 countries across 400 PoPs, and nearly 1 million square feet of data center and colocation space worldwide. Tata Communications' depth and breadth of reach in emerging markets includes leadership in Indian enterprise data services, leadership in global international voice, and strategic investments in operators in South Africa (Neotel), Sri Lanka (Tata Communications Lanka Limited), and Nepal (United Telecom Limited).

Telefonica company was founded in 1924 and is headquartered in Madrid, Spain. Telefonica, S.A. provides fixed and mobile telephony services primarily in Spain, rest of Europe, and Latin America. Its fixed telecommunication services include public switched telephone network lines; integrated services digital network access; public telephone; local, domestic, and international long distance and fixed-to-mobile communications; corporate communications; video telephony; supplementary and business-oriented value-added services; network services; leasing and sale of terminal equipment; and telephony information services. The company’s Internet and broadband multimedia services comprise Internet service provider service; portal and network services; retail and wholesale broadband access; narrowband switched access to Internet; naked asymmetrical digital subscriber line, a broadband connection; residential-oriented value-added services and companies-oriented value-added services; and television services, such as IPTV, cable television, and satellite television. Its data and business-solutions services principally include leased lines; virtual private network services; fiber optics services; the provision of hosting and application; outsourcing and consultancy services; desktop services; and system integration and professional services. The company’s wholesale services for telecommunication operators primarily comprise domestic interconnection services; international wholesale services; leased lines for other operators’ network deployment; local loop leasing under the unbundled local loop regulation framework; and bit stream services. It also provides various mobile and related services and products that include mobile voice services, value added services, mobile data and Internet services, wholesale services, corporate services, roaming, fixed wireless, and trunking and paging services. Telefonica, S.A. has a strategic alliance with China Unicom (Hong Kong) Limited.

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