CSF STENT LIMITED

CSF was established on May 17, 2007, in the British Virgin Islands (Registration No. 1406058) and is a shareholder of Sino Medical. The shareholders of CSF STENT LIMITED include China Spring Fund, L.P. (holding 98.43%) and China Spring Fund Parallel Fund I, L.P. (holding 1.57%).Tracing back to the ultimate natural person, CSF is controlled by Mark Qiu (Qiu Zilei), who has permanent residency in Hong Kong and was born in April 1964.