QIHU [Qihoo 360 Technology Co] SC 13G/A: (Original Filing)
[Joint Filing Agreement [Remainder of this page has been left intentionally blank.] CDH Net Technology Limited CDH China Growth Capital Fund II, L.P. CDH China Growth Capital Holdings Company Limited CDH Venture Partners II, L.P. CDH Venture GP II Company Limited] [CDH Net Technology Limited (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ¨ (b) ¨ (3)]