Qihoo 360 Announces Cross-Platform Strategic Partnership with Sina Weibo

BEIJING, February 2, 2012 /PRNewswire-Asia/ -- Qihoo 360 Technology Co. Ltd. ("Qihoo 360" or the "Company," NYSE: QIHU), a leading Internet company in China as measured by active user base, today announced that it has formed a strategic partnership with Sina Weibo, the leading social media platform in China. Through the partnership, all of Qihoo 360's registered users will be able to access Sina Weibo with their Qihoo 360 accounts and all Sina Weibo users will be able to access Qihoo 360 products and services with their Weibo accounts.

In addition, Qihoo 360 will integrate Sina Weibo service into its key platform products, such as 360 Safe Browser and 360 Desktop. Qihoo 360 will also become an official security solution provider for Sina Weibo to ensure a secure and convenient Weibo experience for all users.

Furthermore, Qihoo 360 will continue to expand its cooperation with Sina Weibo in mobile product and application development to provide expanded mobile Internet experiences to Chinese Internet users.

"We are very excited to form this partnership with Sina Weibo, the most influential social media platform in China," commented Mr. Xiangdong Qi, President of Qihoo 360. "Qihoo 360's 370 million active users together with Sina Weibo's 250 million registered users will allow us to cover almost the entire Chinese Internet population. We believe this partnership will bring more diverse, secure and convenient services and applications to a broader cross section of Chinese Internet users through our open platforms."

About Qihoo 360

Qihoo 360 Technology Co. Ltd. (NYSE: QIHU) is a leading internet company in China as measured by its active user base. The Company is also the number 1 provider of internet and mobile security solutions in China as measured by its active smartphone user base, according to iResearch. Qihoo 360 also provides users with secure access points to the internet via its market leading web browsers and application stores. The Company has built one of the largest internet open platforms in China. Qihoo 360 monetizes its massive user base primarily through online advertising and through internet value-added services on its open platforms.

Forward-looking Statements

This press release contains statements of a forward-looking nature. These statements are made under the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. You can identify these forward- looking statements by terminology such as "will," "expects," "believes," "anticipates," "intends," "estimates" and similar statements. These forward-looking statements involve known and unknown risks and uncertainties and are based on current expectations, assumptions, estimates and projections about Qihoo 360 and the industry. Potential risks and uncertainties include, but are not limited to: the Company's ability to continue to innovate and provide attractive products and services to attract and retain users; the Company's ability to keep up with rapid changes in technologies and Internet-enabled devices; the Company's ability to leverage its user base to attract customers for our revenue-generating services; and the Company's dependence on online advertising for a substantial portion of our revenues; and the Company's ability to compete effectively. All information provided in this press release is as of the date of the press release, and Qihoo 360 undertakes no obligation to update any forward-looking statements to reflect subsequent occurring events or circumstances, or changes in its expectations, except as may be required by law. Although Qihoo 360 believes that the expectations expressed in these forward-looking statements are reasonable, it cannot assure you that its expectations will turn out to be correct, and investors are cautioned that actual results may differ materially from the anticipated results. Further information regarding risks and uncertainties faced by Qihoo 360 is included in Qihoo 360's filings with the U.S. Securities and Exchange Commission, including its final prospectus dated March 29, 2011.