Prior to July 19, 2062 (six months prior to their maturity date) (the “2063 Par Call Date”), Panama may redeem the 2063 bonds at its option, in whole or in part, at any time and from time to time, at a redemption price (expressed as a percentage of principal amount and rounded to three decimal places) equal to the greater of: (1) (a) the sum of the present values of the remaining scheduled payments of principal and interest thereon discounted to the redemption date (assuming the 2063 bonds matured on the 2063 Par Call Date) on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus 40 basis points less (b) interest accrued to the date of redemption; and (2) 100% of the principal amount of the 2063 bonds to be redeemed, plus, in either case, accrued and unpaid interest thereon to the redemption date. On or after the 2063 Par Call Date, Panama may redeem the 2063 bonds, in whole or in part, at any time and from time to time, at a redemption price equal to 100% of the principal amount of the 2063 bonds being redeemed, plus accrued and unpaid interest thereon to the redemption date. The following terms shall have the following meanings: “Treasury Rate” means with respect to any redemption date, the yield determined by Panama in accordance with the following two paragraphs. The Treasury Rate shall be determined by Panama after 4:15 p.m., New York City time (or after such time as yields on U.S. government securities are posted daily by the Board of Governors of the Federal Reserve System), on the third business day preceding the redemption date based upon the yield or yields for the most recent day that appear after such time on such day in the most recent statistical release published by the Board of Governors of the Federal Reserve System designated as “Selected Interest Rates (Daily) - H.15” (or any successor designation or publication) (“H.15”) under the caption “U.S. government securities–Treasury constant maturities–Nominal” (or any successor caption or heading). In determining the Treasury Rate, Panama shall select, as applicable: (1) the yield for the Treasury constant maturity on H.15 exactly equal to the period (the “Remaining Life”) from |