DIGITAL RECORDERS, INC., a North Carolina corporation (the “Company” or “Borrower”), for value received, promises to pay to: JOHN D. HIGGINS or to its order, (together with any assignee, jointly or severally, the “Holder” or “Lender”) on or before August 26, 2009 (the “Due Date”) (unless this Debenture shall have been sooner called for redemption or presented for conversion as herein provided), the sum of Two Hundred Fifty Thousand Dollars ($250,000) (the “Principal Amount”) and to pay interest on the unpaid Principal Amount at the rate of 8.00% per annum. All payments of both principal and interest shall be made at the address of the Holder hereof as it appears in the books and records of the Borrower, or at such other place as may be designated by the Holder hereof. 1. Interest. Interest on the Principal Amount outstanding from time to time shall be payable in monthly installments commencing September 26, 2002, and subsequent payments shall be made on the first day of each month thereafter until the Principal Amount and all accrued and unpaid interest shall have been paid in full. Overdue principal and interest on the Debenture shall bear interest at the maximum rate permitted by applicable law. 2. Maturity. If not sooner paid, redeemed or converted, this Debenture shall mature on August 26, 2009 at which time the remaining unpaid Principal Amount, and all accrued and unpaid interest and any other chargesthen due under the Loan Agreement, shall be due and payable in full. This Debenture shall be prepaid pro rata with any prepayments of Indebtedness other than Senior Obligations. This Debenture shall be senior in right of payment to all other Indebtedness of the Company, except the Senior Obligations. 3. Mandatory Principal Installments. If this Debenture is not sooner redeemed or converted as provided hereunder, Borrower shall pay to Holder, commencing on August 26, 2005 and continuing on the first day of each successive month thereafter prior to maturity, mandatory principal redemption installments, each of such installments to be in the amount of Ten Dollars ($10.00) per Thousand Dollars ($1,000.00) of the then remaining Principal Amount, and further, at maturity, Borrower shall pay to Holder a final installment of the remaining unpaid Principal Amount, and all accrued and unpaid interest and any other charges then due under the Loan Agreement. |