Kingsoft Internet Security Notches Another Mark of International Recognition Awarded VB100 for the Eighth Time

(Hong Kong, 3 December 2009) Kingsoft Corporation Limited ("Kingsoft" or the "Company"; SEHK stock code: 03888), China's leading entertainment and applications software developer, distributor and service provider, based on market share, announced today that Kingsoft Internet Security, the Company's anti-virus software, has won another international recognition following the recent pass of the internationally authorized AV-comparatives testing.

Kingsoft Internet Security 2010 has just passed a testing conducted by Virus Bulletin, an international authority in anti-virus software testing, and thus has been awarded VB100 certification. It is the eighth time that Kingsoft has been awarded this certificate, which is strong proof of its outstanding anti-virus capability and edge in the highly competitive anti-virus software market in China. VB100 tests have been introduced and conducted by Virus Bulletin in the UK and is regarded as the benchmark and authority of anti-virus product testing.

Ke Ge, Senior Vice President at Kingsoft said, "Kingsoft Internet Security has been awarded VB100 for the eighth time since 2007. Our capability is recognized by the successive praise from international authorities. As there is an increasing market demand for internet security software, Kingsoft Internet Security will continue to extend its reach on the Internet and enhance its internet-based operations and services to sustain the high growth of our applications software business."