DL [China Distance Education] SC 13G/A: Joint Filing Agreement Dated: February 10, 2011 Zhengdong
[Joint Filing Agreement Dated: February 10, 2011 Zhengdong Zhu Zhengdong Zhu Baohong Yin Baohong Yin Champion Shine Trading Limited Zhengdong Zhu Sole Director Champion Education Holdings Limited Zhengdong Zhu Director Champion International Holdings Limited] [13 G CUSIP NO. 16944W104]