Baidu Antivirus Awarded Prestigious Checkmark Certification From West Coast Labs

CUPERTINO, CA--(Marketwired - Jun 5, 2013) - Baidu (NASDAQ: BIDU), the world's largest Chinese search engine, announced today that its Baidu Antivirus product has received West Coast Labs' Checkmark certification, a prestigious third-party accreditation of the product's effectiveness in protecting PC users against a wide variety of security threats. Baidu Antivirus received this certification in the categories of Anti-Malware, Anti-Spyware Desktop, Anti-Trojan, Anti-Virus Desktop and Anti-Virus Disinfection. Published results of this test can be found on West Coast Labs' website at:

http://westcoastlabs.com/checkmark/productList/?vendorID=144.

"To receive the highly-respected certification of West Coast Labs less than four months after launch is a testament to the talent and hard work of the Baidu Security Team," said Wang Mengqiu, Baidu's Vice President of Engineering. "At Baidu, we strive to make products that combine best-in-class technology with the simplicity and ease of use that even non-technical users love," said Ms. Wang. "We think Baidu Antivirus is the embodiment of that philosophy."

Baidu Antivirus is a 100% free application that offers proactive antivirus defense, file protection, Web access protection, download protection, browser protection, self-defense and other professional-grade security functions for desktop, laptops and tablets running Windows XP, Windows Vista, Windows 7 and Windows 8. It is available in English and Thai versions at http://antivirus.baidu.com/en/.

Checkmark certification is awarded only to products that can identify and eradicate 100% of the samples in West Coast Labs' virus database, as well as dangerous viruses and malware threats identified by WildList Organization.

About Baidu
Baidu, Inc. is the leading Chinese language Internet search provider. As a technology-based media company, Baidu aims to provide the best and most equitable way for people to find whatever they're looking for online. In addition to serving individual Internet search users, Baidu provides an effective platform for businesses to reach potential customers. Baidu's ADSs trade on the NASDAQ Global Select Market under the symbol "BIDU." Currently, ten ADSs represent one Class A ordinary share.

About West Coast Labs Checkmark Certification
Checkmark is one of the world's leading certification systems for information security products and services. This highly regarded accreditation program provides a level of assurance across a wide range of technologies that products and services perform to industry accepted standards.

About West Coast Labs
Part of the Haymarket Media Group, West Coast Labs is a global leader in technical research, testing and the Checkmark Certification of information security products and services. With market-leading technology and testing facilities accredited to ISO17025 in the UK, USA and India, West Coast Labs' services and the Checkmark Certification System are used by the leading global brands to create market advantage and by large business enterprises for obtaining crucial technical insight into product performance.