NCTY [The9] SC 13G/A: Joint Filing Agreement [Remainder of this page has
[Joint Filing Agreement [Remainder of this page has been left intentionally blank.] th day of February, 2013. Jun Zhu Jun Zhu Incsight Limited Jun Zhu Director EX-99.(A) 2 d478625dex99a.htm EX-99.(A)] [CUSIP NO.: 88337K104 (1) I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) (2) ¨ x (a) (3) SEC USE ONLY]