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SK Telecom Strengthens Cooperation with Nokia for Development of 5G Technologies SK Telecom St... SK Telecom (NYSE:SKM) today announced that it signed a Memorandum of Understanding (MOU) with Nokia on January 21, 2015, to work together to lead the development and verification of the fifth-generation (5G) mobile network technologies. Under the MOU, the two companies will conduct joint researches to develop core 5G network technologies such as the gigabit-level data communications technology and cloud-based virtualized base station technology. At the signing ceremony, the two companies announced plans to make all-out efforts to demonstrate 5G in 2018 and commercialize 5G service in 2020. To this end, they plan to establish a test bed at SK Telecom’s Corporate R&D Center located in Bundang, Seoul, to verify and demonstrate 5G technologies. In particular, SK Telecom and Nokia will develop ‘cmWave/ mmWave 5G technology*,’ which uses wideband spectrum resources in ultra-high frequency bands (above 6.5GHz ) for data communications. The technology is currently being discussed as one of the core 5G technologies by the 3rd Generation Partnership Project (3GPP), a mobile telecommunications standardization organization. *’cmWave/mmWave 5G technology’ uses wideband spectrum resources from 6GHz or higher frequency bands for data communications. Combined with MIMO(multiple-input and multiple-output) technology, it supports gigabit-class data transmission The MOU signing ceremony, held at Nokia’s Headquarters located in Finland, was attended by Choi Jin-sung, Executive Vice President and Head of Corporate R&D Center (CTO) of SK Telecom, and Hossein Moiin, Head of Technology and Innovation (CTO) at Nokia. “By joining hands with Nokia, we expect to accelerate our speeds toward the development of core 5G technologies,” said Choi Jin-sung, Executive Vice President and Head of Corporate R&D Center. “Envisioning an era where all things and people are organically connected, SK Telecom will continue to bring innovative changes to the mobile network structure.” Nokia Networks CTO, Hossein Moiin said, “5G networks will interconnect humans, machines and things to enable very diverse use cases with extreme requirements. Nokia Networks is driving 5G research and standardization with SK Telecom and collaborating with industry to expand the human possibilities of the connected world.” Meanwhile, in June 2014, SK Telecom has signed an MOU with Nokia to cooperate on the development of technologies including virtualization, software-based network establishment and next-generation cloud network management, all of which are critical in developing base stations for the 5G network. As the result, the two companies successfully developed ‘Cloud vRAN,’ the world’s first base station virtualization technology, in November 2014. About SK Telecom SK Telecom (NYSE: SKM, KSE: 017670), established in 1984, is Korea’s largest telecommunications company with more than 27 million mobile subscribers, accounting for over 50% of the market. The company reached KRW 16.602 trillion in revenue in 2013. As the world’s firstcompanyto commercialize CDMA, CDMA 2000 1x, CDMA EV-DO and HSDPA networks, SK Telecom launched the nation’s first LTE service in July 2011. SK Telecom also became the world’s first mobile carrier to launch 150Mbps LTE-Advanced and on June 26, 2013 and 225Mbps LTE-Advanced on June 19, 2014 through Carrier Aggregation. Backed by rapid nationwide deployment, a rich device lineup and diverse mobile value added services, the company secured over 16.3 million LTE and LTE-Advanced subscribers as of October 2014. Also, based on its strength in network operations business, SK Telecom is seeking new growth engines by building ICT convergence business models in areas of healthcare, enterprise solutions, media and education. For more information, please visit or email to Media Contact: Noori Lee SK Telecom Co. Ltd. (822) 6100-3839


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