[] [] [Agreement No.: 121200102034 International Electronic Headquarters of the Electronic Zone Qihu 360 Headquarters Program Purchase Agreement for Floors 1-4 of Tower A Beijing Electronic Zone Co., Ltd. Beijing Qichuang Yousheng Keji Co., Ltd. August 31, 2012 Beijing Party A: Beijing Electronic Zone Co., Ltd. Address: A 12 Jiuxianqiao Road, Chaoyang District, Beijing Zip Code: 100015 Business License No: 110000005030270 Legal] [Agreement No.: 121200102035 International Electronic Headquarters of the Electronic Zone Qihu 360 Headquarters Program Purchase Agreement for Floors 5-19 of Tower A Beijing Electronic Zone Co., Ltd. Qifei Xiangyi (Beijing) Software Co., Ltd. August 31, 2012 Beijing Party A: Beijing Electronic Zone Co., Ltd. Address: A 12 Jiuxianqiao Road, Chaoyang District, Beijing Zip Code: 100015 Business License No: 110000005030270 Legal] [Agreement No.: 121180102032 International Electronic Headquarters of the Electronic Zone Qihu 360 Headquarters Program Purchase Agreement for Ground Floor of Tower B Beijing Electronic Zone Co., Ltd. Beijing Qichuang Yousheng Keji Co., Ltd. August 31, 2012 Beijing Party A: Beijing Electronic Zone Co., Ltd. Address: A 12 Jiuxianqiao Road, Chaoyang District, Beijing Zip Code: 100015 Business License No: 110000005030270 Legal] [Agreement No.: 121190102033 International Electronic Headquarters of the Electronic Zone Qihu 360 Headquarters Program Purchase Agreement for Floors 2-17 of Tower B Beijing Electronic Zone Co., Ltd. Qizhi Software (Beijing) Co., Ltd. August 31, 2012 Beijing Party A: Beijing Electronic Zone Co., Ltd. Address: A 12 Jiuxianqiao Road, Chaoyang District, Beijing Zip Code: 100015 Business License No: 110000005030270 Legal Representative] [Supplementary Agreement to the Technology Development Agreement This agreement is made and entered into by and among: Principal: Party A Beijing Qihu Technology Company Limited (“ Grantor: Party B Qizhi Software (Beijing) Co., Ltd. (“ Execution Venue: Chaoyang District, Beijing January 1, 2011 WHEREAS, 1. Original Agreement Party A and Party B entered into Technology Development Agreement on December 1,] [Supplementary Agreement to the Technology Development Agreement This agreement is made and entered into by and among: Principal: Party A Beijing Qihu Technology Company Limited (“ Grantor: Party B Qizhi Software (Beijing) Co., Ltd. (“ Execution Venue: Chaoyang District, Beijing January 1, 2011 WHEREAS, 1. Original Agreement Party A and Party B entered into Technology Development Agreement on March 15,] [Business Operation Agreement THIS BUSINESS OPERATION AGREEMENT this Agreement th Parties Party A: Qizhi Software (Beijing) Co., Ltd. Party B: Beijing Star World Technology Company Limited Party C: Zhenyu Xie, identity card number: Jianming Dong, identity card number: Zhengyu Chen, identity card number: 1. Party A is a wholly foreign-owned enterprise incorporated and validly existing under the laws of the] [Exclusive Technology Consulting and Service Agreement THIS EXCLUSIVE TECHNOLOGY CONSULTING AND SERVICE AGREEMENT Party A Qizhi Software (Beijing) Co., Ltd. Registered address: East Unit, 4F, Zhaowei Building, No.14 Jiuxianqiao Road, Chaoyang District, Beijing Party B Beijing Star World Technology Company Limited Registered address: Room 201, 2/Fl, 2 Building, 17 Xijing Lu,Shijingshan District, Beijing WHEREAS: 1. Party A is a wholly] [EQUITY PLEDGE AGREEMENT Among Qizhi Software (Beijing) Co., Ltd. And Jianming Dong TABLE OF CONTENTS ARTICLE 1 DEFINITIONS 3 ARTICLE 2 PLEDGE 4 ARTICLE 3 COMPLETION 4 4 ARTICLE 5 RIGHTS AND REMEDIES 4 ARTICLE 6 CONFIDENTIALITY 5 ARTICLE 7 EARLIER TERMINATION 5 ARTICLE 8 INDEMNITY 5 ARTICLE 9 DURATION 5 ARTICLE 10 LIABILITIES FOR BREACH OF CONTRACT 6 ARTICLE] [EQUITY PLEDGE AGREEMENT Among Qizhi Software (Beijing) Co., Ltd. And Zhengyu Chen TABLE OF CONTENTS ARTICLE 1 DEFINITIONS 3 ARTICLE 2 PLEDGE 3 ARTICLE 3 COMPLETION 4 4 ARTICLE 5 RIGHTS AND REMEDIES 4 ARTICLE 6 CONFIDENTIALITY 5 ARTICLE 7 EARLIER TERMINATION 5 ARTICLE 8 INDEMNITY 5 ARTICLE 9 DURATION 5 ARTICLE 10 LIABILITIES FOR BREACH OF CONTRACT 6 ARTICLE] [EQUITY PLEDGE AGREEMENT Among Qizhi Software (Beijing) Co., Ltd. And Zhenyu Xie TABLE OF CONTENTS ARTICLE 1 DEFINITIONS 3 ARTICLE 2 PLEDGE 4 ARTICLE 3 COMPLETION 4 4 ARTICLE 5 RIGHTS AND REMEDIES 4 ARTICLE 6 CONFIDENTIALITY 5 ARTICLE 7 EARLIER TERMINATION 5 ARTICLE 8 INDEMNITY 5 ARTICLE 9 DURATION 5 ARTICLE 10 LIABILITIES FOR BREACH OF CONTRACT 6 ARTICLE] [EQUITY DISPOSITION AGREEMENT THIS EQUITY DISPOSITION AGREEMENT Agreement th Parties Party A: Qizhi Software (Beijing) Co., Ltd. Party B: Zhenyu Xie Jianming Dong Zhenyu Chen Party C: Beijing Star World Technology Co., Ltd. WHEREAS 1. Party A is a wholly foreign owned enterprise duly established and validly existing within the territory of People’s Republic of China; 2. Party C is] [Loan Agreement Among Qizhi Software (Beijing) Co., Ltd. And Jianming Dong Loan Agreement This Agreement is signed on April 26, 2012. Parties to this Agreement: (1) Lender: Qizhi Software (Beijing) Co., Ltd. Qizhi Software Registered Address: East Suite, 4/F, C&W Plaza, No.14 Jiu Xian Qiao Road, Chaoyang District, Legal Representative: Hongyi Zhou Tel: 010-58781299 (2) Borrower: Jianming Dong (identification card] [Loan Agreement Among Qizhi Software (Beijing) Co., Ltd. And Zhengyu Chen Loan Agreement This Agreement is signed on April 26, 2012. Parties to this Agreement: (1) Lender: Qizhi Software (Beijing) Co., Ltd. Qizhi Software Registered Address: East Suite, 4/F, C&W Plaza, No.14 Jiu Xian Qiao Road, Chaoyang District, Legal Representative: Hongyi Zhou Tel: 010-58781299 (2) Borrower: Zhengyu Chen (identification card] [Loan Agreement Among Qizhi Software (Beijing) Co., Ltd. And Zhenyu Xie Loan Agreement This Agreement is signed on April 26, 2012. Parties to this Agreement: (1) Lender: Qizhi Software (Beijing) Co., Ltd. Qizhi Software Registered Address: East Suite, 4/F, C&W Plaza, No.14 Jiu Xian Qiao Road, Chaoyang District, Legal Representative: Hongyi Zhou Tel: 010-58781299 (2) Borrower: Zhenyu Xie (identification card] [Power of Attorney Beijing Star World Qizhi Software I, Jiangming Dong, the shareholder of Beijing Star World Technology Company Limited (“ I hereby authorize Qizhi Software, as my attorney-in-fact, to exercise on my behalf, all the shareholder rights in connection with my 35% equity interest in Beijing Star World in accordance with laws and the Articles of Association of Beijing] [Power of Attorney Beijing Star World Qizhi Software I, Zhengyu Chen, the shareholder of Beijing Star World Technology Company Limited (“ I hereby authorize Qizhi Software, as my attorney-in-fact, to exercise on my behalf, all the shareholder rights in connection with my 30% equity interest in Beijing Star World in accordance with laws and the Articles of Association of Beijing] [Power of Attorney Beijing Star World Qizhi Software I, Zhenyu Xie, the shareholder of Beijing Star World Technology Company Limited (“ I hereby authorize Qizhi Software, as my attorney-in-fact, to exercise on my behalf, all the shareholder rights in connection with my 35% equity interest in Beijing Star World in accordance with laws and the Articles of Association of Beijing] [Spousal Consent Letter I, Chunxia He (ID No: ), as the legal spouse of Jianming Dong (ID No: ), hereby unconditionally agree that the equity interests of Beijing Qihu Technology Company Limited, owned by and registered under name of my spouse, is disposed in accordance with the arrangements under Loan Agreement, Equity, Equity Disposition Agreement and Equity Pledge Agreement dated] [Spousal Consent Letter I, Xun Guo (ID No: ), as the legal spouse of Xiaohong Shi (ID No: ), hereby unconditionally agree that the equity interests of Beijing Qihu Technology Company Limited, owned by and registered under name of my spouse, is disposed in accordance with the arrangements under Loan Agreement, Equity, Equity Disposition Agreement and Equity Pledge Agreement dated] [Spousal Consent Letter I, Jianxin Gao He (ID No: ), as the legal spouse of Xiangdong Qi (ID No: ), hereby unconditionally agree that the equity interests of Beijing Qihu Technology Company Limited, owned by and registered under name of my spouse, is disposed in accordance with the arrangements under Loan Agreement, Equity, Equity Disposition Agreement and Equity Pledge Agreement] [Spousal Consent Letter I, Chunxia He (ID No: ), as the legal spouse of Jianming Dong (ID No: ), hereby unconditionally agree that the equity interests of Beijing Star World Technology Company Limited, owned by and registered under name of my spouse, is disposed in accordance with the arrangements under Loan Agreement, Equity, Equity Disposition Agreement and Equity Pledge Agreement] [Spousal Consent Letter I, Lie Deng He (ID No: ), as the legal spouse of Zhengyu Chen (ID No: ), hereby unconditionally agree that the equity interests of Beijing Star World Technology Company Limited , owned by and registered under name of my spouse, is disposed in accordance with the arrangements under Loan Agreement, Equity, Equity Disposition Agreement and Equity] [Spousal Consent Letter I, Chunchao Zheng (ID No: ), as the legal spouse of Zhenyu Xie (ID No: ), hereby unconditionally agree that the equity interests of Beijing Star World Technology Company Limited , owned by and registered under name of my spouse, is disposed in accordance with the arrangements under Loan Agreement, Equity, Equity Disposition Agreement and Equity Pledge] [As of December 31, 2012 Wholly-Owned Subsidiaries 1. Qizhi Software (Beijing) Co., Ltd., a PRC company 2. Tianjin Qisi Technology Co., Ltd., a PRC company 3. Qifei Xiangyi (Beijing) Software Co., Ltd., a PRC company 4. Beijing Qichuang Yousheng Keji Co., Ltd., a PRC company 5. Qiji International Development Limited, a HK company 6. Qifei International Development Co. Limited, a] [CERTIFICATIONS I, Hongyi Zhou, certify that: 1. I have reviewed this annual report on Form 20-F of Qihoo 360 Technology Co. Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under] [CERTIFICATIONS I, Alex Zuoli Xu, certify that: 1. I have reviewed this annual report on Form 20-F of Qihoo 360 Technology Co. Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances] [CERTIFICATIONS I, Jue Yao, certify that: 1. I have reviewed this annual report on Form 20-F of Qihoo 360 Technology Co. Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under] [CERTIFICATIONS (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.] [CERTIFICATIONS (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.] [CERTIFICATIONS (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statements No. 333-174444 on Form S-8, of our reports dated April 19, 2013, relating to the consolidated financial statements and financial statement schedule of Qihoo 360 Technology Co. Ltd., and its subsidiaries, variable interest entities and variable interest entities’ subsidiaries (collectively, the “Group”)]