1. Unconditional payment on MM DD, YYYY according to this note payable at sight to Mainland China Enterprise, China Construction Bank, Taipei Branch o NTDn USD 10 million only 2. Place of payment: 3. The interest is calculated and paid according to the following Article from the agreed note issuing date: (1) Use the fixed interest rate and calculate and paid the interest according to% of the annual rate (2) Calculate the interest according to% of the annual rate; when the benchmark interest rate of the bank is adjusted (according to ), calculate the interest according to the new declared benchmark interest rate (according to ) plus% annual rate from the adjustment date (3) Calculate the interest according to% of the annual rate; when Chunghwa Post Co., Ltd adjustsfixed deposit floating interest rate, calculate the interest according to adjusted interest rate plus% annual rate from the adjustment date (4) Other agreements: 4. Protest waived for this note, and the notification obligation in Article 89 of theNegotiable Instruments Act is also waived. 5. Calculation of the penalty: If the overdue period is within six months, the interest shall increase 10% based on the original interest rate; if the overdue period exceeds six months, after six months overdue to the end of the pay-off date, the interest shall increase 20% based on the original interest rate. Drawer: Applied Optoelectronics, Inc., Taiwan Branch Unified Business No. (or ID Number): 28410552 Address: No.18, Gong 4th Rd., Linkou Dist., New Taipei City 24452, Taiwan (R.O.C.) Drawer: Unified Business No. (or ID Number): Address: Drawer: Unified Business No. (or ID Number): Address: Drawer: April 22nd, 105 of ROC | 