China Unistone Acquisition CORP Watch

from 8-K 14 pages Unit Purchase Option for the Purchase of Units of China Unistone Acquisition Corporation

from 8-K 3 pages Warrant Clarification Agreement

from S-4 3 pages [Face of Certificate] Number Cw (See Reverse Side for Legend) (This Warrant Will Be Void if Not Exercised Prior to 5:00 P.M. New York City Time, November 17, 2008) Yucheng Technologies Limited Warrant Warrants Cusip

from S-4 3 pages [Face of Certificate] Ordinary Shares Number Oa Incorporated Under the Laws of the British Virgin Islands Yucheng Technologies Limited Ordinary Shares Shares See Reverse for Certain Definitions Cusip Fully Paid and Non-Assessable Ordinary Shares, No Par Value, of Yucheng Technologies Limited /S/ Chairman and Chief Executive Officer [Seal] /S/ President, Treasurer and Chief Operating Officer Countersigned and Registered: Continental Stock Transfer & Trust Company Transfer Agent and Registrar by Authorized Signature [Reverse of Certificate] Please Insert Social Security or Other Identifying Number of Assignee

from S-1/A ~10 pages Warrant Agreement

from S-1/A ~20 pages Indenture or similar

from S-1/A ~10 pages Warrant Agreement

from S-1 ~10 pages Warrant Agreement

from S-1 ~20 pages Indenture or similar

from S-1 ~5 pages Specimen Warrant Certificate

from S-1 1 page Specimen Common Stock Certificate

from S-1 1 page Specimen Unit Certificate