UNSECURED PROMISSORY NOTE
MARCH 9, 2009
FOR VALUE RECEIVED , the undersigned, CDC Delaware Corp. (the “Maker”), promises to pay to the order of
JAYHAWK PE BLOCKER CORP., a Cayman Islands company (herein the “Payee” and, along with each subsequent holder of
this Note, referred to as the “Holder”), Fourteen Million One Hundred Eleven Thousand Five Hundred Ten and 00 / 100 Dollars
($14,111,510), with interest on the outstanding principal balance of this Note as set forth below.
Interest shall be calculated on the basis of three hundred and sixty (360) days per year for the actual number of days
elapsed, and shall accrue on the outstanding balance of this Note until fully paid at a simple interest rate of eight percent
(8%) per annum. The principal and accrued interest of this Note shall be payable in two (2) installments, the first installment of
Six Million Five Hundred Eighty Five Thousand Three Hundred Seventy One and 10 / 100 Dollars ($6,585,371.10), together with
accrued interest thereon being due March 9, 2010 and the second and final installment of Seven Million Five Hundred Twenty
Six Thousand One Hundred Thirty Eight and 40 / 100 Dollars ($7,526,138.40), together with accrued interest thereon shall be due
on September 9, 2010. at which time the entire outstanding principal balance together with all accrued and unpaid interest
thereon shall be due and payable in full (“Maturity”).
The principal hereof and interest hereon shall be payable in lawful money of the United States of America, to Payee at 5410
West 61 Place, Suite 100, Mission, KS 66205, or at such other place as the Holder hereof may designate in writing to the Maker.
All payments hereunder received from the Maker by the Holder shall be applied first to interest to the extent then accrued and
then to principal. Principal and/or interest under this Note may be prepaid by Maker, in whole or in part, at any time and from
time to time, without penalty
In no event shall the amount of interest due or payable he