S-I/A Table of Contrail In addition, the indenture governing our 5.375% Notes imposes certain requirements as to future subsidiary guarantors. The indenture governing our 5.375% Notes provides that certain of the covenants will be suspended during any periods in which the notes are rata! investment grade. The indenture governing our 5.375% Notes also contains certain customary events of default. 6.75% Senior Secured First Lien Notes due 2020 Overview On August 16, 2012, we issued $1.3 billion aggregate principal amount of our Original 6.75% Notes. On September 27, 2012, we issued and sold an additional $850 million aggregate principal amount of our Additional 6.75% Notes at an issue price of 100.750%, reflecting a $6 million premium. Proceeds from the offering of the 6.75% Notes were used to repay existing 2014 'rem Loan debt under the senior secured credit facilities. The Additional 6.75% Notes are treated as a single series with the Original 6.75% Notes under the indenture, and have identical terms and conditions, other than issue date and offering price, as the Original 6.75% Notes and vote together as a single clabs, with the same CUSIP numbers as. and be fungible with, the Original 6.75% Notes. Proceeds from the offering of the Additional 6.75% Notes were used to repay existing 2014 Term Loan debt wider our senior secured credit facilities. On July 21, 2014. we redeemed $753 million aggregate principal amount of the 6.75% Notes. leaving a remainder of S1.4 billion aggregate principal amount of 6.75% Notes Interest Rate The 6.75% Notes accrue interest at the rate of 6.75% per annum and mature on November 1, 2020. Interest on the 6.75% Notes is payable on May I and November I of each year. Ranking and Security The 6.75% Notes are senior secured obligations and (i) rank senior in right of payment to any existing and future subordinated indebtedness. including our existing senior subordinated notes, (ii) rank equally in right of payment with all