BEIJING and PALO ALTO, CA -- (Marketwire) -- 11/08/12 -- Guardtime (www.guardtime.com), the leading provider of keyless signature technology for validating the integrity and authenticity of digital data, today announced a partnership with China Telecom, the largest fixed line telecommunications service provider in the People's Republic of China, establishing China Telecom as a keyless signature service provider via its Tianyi 3G platform.

Tianyi 3G platform Executive Zhe Mong Li said, "Guardtime's keyless signature technology is completely unique and has the potential to revolutionize communications by providing an independent audit trail for all voice and electronic messaging on Chinese networks, removing any doubt about message integrity and authenticity. We are looking forward to integrating the technology into our platform and providing the service to our mobile subscribers."

Mike Gault, CEO of Guardtime, added: "China is a key market for Guardtime and we're thrilled to be working together with China Telecom. Together with our existing partners, companies such as, Voxeo Labs, Message Bus and Joyent, we hope to transform society to one where electronic data is more reliable than physical and where all data, whether generated by voice, email or machine, comes with irrefutable proof of integrity and authenticity. Establishing China Telecom as a partner is a major step forward for our vision."

Wang li Yun Chairman of the Zhejiang Cixi Government nomination committee which recently awarded Guardtime the 2M RMB Shanglin prize commented: "We are very pleased to see the traction Guardtime is getting in this (Chinese) marketplace. Whether it is app stores, smart metering, email, voice, telematics or cloud platform integration, Guardtime has a key role to play in Chinese society in the coming years and decades."

About China Telecom
China Telecom Corporation Limited (SEHK: 728) (NYSE: CHA) is a Chinese state-owned telecommunication company. It is the largest fixed-line service and third largest mobile telecommunication provider in the People's Republic of China.

About Guardtime
Guardtime was founded with the goal of solving one of the biggest problems in computing: how to be sure electronic data is authentic. Guardtime's Keyless Signatures provide proof of origin and that not a single bit has changed since a specific point in time. The verification of the signature can be done offline without reliance on keys, secrets, or the existence of a trusted third party. Guardtime's mission is to change the world to one in which Keyless Signatures are ubiquitous and a natural part of the everyday data lifecycle, whether on disk, in transit, or in the Cloud. Visit http://www.guardtime.com for more information about using Keyless Signatures for signing your data.