QIHU [Qihoo 360 Technology Co] 8-A12B: Cayman Islands Not Applicable (State of incorporation or
[Cayman Islands Not Applicable (State of incorporation or organization) (I.R.S. Employer Identification No.) Block 1, Area D, Huitong Times Plaza No.71 JianGuo Road, ChaoYang District Beijing 100025 Peoples Republic of China (86-10) 5878-1000 Title of each class Name of each exchange on which each Class A ordinary shares, par value $0.001 per share* American depositary shares, every two of which]