CSL and SK Telecom sign LTE roaming MOU

Hong Kong, 20 March 2012 — CSL, together with SK Telecom Korea, has successfully achieved the world’s first interconnection between two commercial LTE networks via an IPX supplied by International. Following CSL’s world-first public demonstration of LTE roaming capabilities during the GSM Mobile Asia Congress in Hong Kong in November 2011, this further achievement represents another step towards the launch of commercial automatic LTE roaming.

As demonstrated in the earlier trial, the LTE roaming experience has the potential to deliver up to five times the speed of existing roaming, and a latency reduction of more than 90%. This represents a significantly improved service quality and an enhanced experience for LTE roamers.

On 9 March 2012, CSL and SK Telecom signed a Memorandum of Understanding in Seoul to further strengthen the work between the two companies. Both companies believe any commercial service launch would set a precedent for other LTE operators to follow.

Paul Hodges, Executive Vice President Corporate, Wholesale and International at CSL Limited said, "As the leading mobile operator in Hong Kong, CSL is pleased to extend our close partnership with SK Telecom to deliver LTE roaming services between Hong Kong and Korea in conjunction with Telstra International. This is expected to be one of the first LTE roaming services in the world.”

During the MoU signing, Francisco Lee, Senior Vice President of the Marketing Collaboration Office of SK Telecom said, “Customers will be able to enjoy data roaming speeds up to five times faster than WCDMA. This in turn will greatly enhance our customers’ roaming experience to Hong Kong.”

Phil Mottram, Executive Director, Telstra International said we are excited to support CSL and SKT’s LTE roaming agreement, which follows on from trials Telstra International supported between CSL and Telstra Mobile late last year.

“Telstra International is continuing to work with partners and regional mobile operators across Asia as we support their efforts to maximize the benefits that LTE networks provide, by leveraging our global IP network,” Mr Mottram said.

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About CSL

CSL is Hong Kong’s first and leading mobile network operator. It is the only mobile company in the world to operate with a distinctive multi-brand strategy providing customer-centric services through the brands: 1O1O, one2free, New World Mobility and a number of Pre-paid service brands.

It operates a world-class GSM / WCDMA and unique UMTS 900 network in Hong Kong and launched the world’s first 4G LTE/DC-HSPA+ network in November 2010, through which it offers comprehensive mobile and broadband services to both local and international customers. CSL also supports customers across the world, as the leading roaming operator in Hong Kong providing unmatched global multi- media connectivity through over 540 mobile operator partners around the world. For more information, please visit www.hkcsl.com.

CSL is a subsidiary of Telstra Corporation Limited, ’s leading and information services company (www.telstra.com).

About Telstra International

Telstra International is part of Telstra International Group and provides global telecommunications services and solutions to Australian and International Multi-Nationals and Global Service Providers. Together with its offshore subsidiaries and international investments, Telstra International serves over 200 of the world’s top 500 companies, spanning Asia Pacific, the Americas, Europe and the rest of the world.

For media enquiry, please contact: CSL Limited Erin Godfrey Tel: +852 2883 4883 Email: [email protected]