CTC [IFM Investments] SC 13G: Joint Filing Agreement [Remainder of this page has
[Joint Filing Agreement [Remainder of this page has been left intentionally blank.] Donald Zhang Donald Zhang Harry Lu Harry Lu IFM Overseas Partners L.P.] [(Name of Issuer) Class A Ordinary Shares (Title of Class of Securities) 45172L100 (CUSIP Number) December 31, 2010 (Date of Event Which Requires Filing of this Statement) ¨ Rule 13d-1(b) ¨ Rule 13d-1(c) x Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject]