September 22, 2017 (the “Base Indenture”), between the Company, as issuer, and U.S. Bank National Association, as trustee, as supplemented by a first supplemental indenture, dated as of September 22, 2017 (the “First Supplemental Indenture” together, with the Base Indenture, the “Indenture”), between the Company, as issuer, and U.S. Bank National Association, as trustee. The Notes were issued at a discount and had a carrying value of $399.3 million and $399.4 million as of December 31, 2018 and September 30, 2019, respectively.
The Notes bear interest payable semiannually in cash in arrears on March 22 and September 22 of each year, commencing on March 22, 2018, which rate is subject to an interest rate adjustment upon the occurrence of certain credit rating events. The Notes mature on September 22, 2024. The Indenture provides that the Notes are redeemable at the Company’s option, in whole or in part, at any time on or after July 22, 2024, at a redemption price equal to 100% of the principal amount of the Notes being redeemed plus accrued and unpaid interest thereon to, but excluding, the redemption date.
The Indenture also contains certain covenants which restrict the Company’s ability to, among other things, create liens on its and its subsidiaries’ assets; engage in sale and lease-back transactions; and engage in a consolidation, merger or sale of assets.
Credit Agreement
On September 22, 2017, the Company entered into a credit agreement with various lenders that provides for a $400.0 million senior unsecured revolving credit facility and a $350.0 million senior unsecured term loan facility to the Company, as the borrower (the “2017 Credit Agreement”). On August 13, 2018, the Company entered into an amendment to the 2017 Credit Agreement, which extended the maturity date by one year. On February 27, 2019, the Company entered into a second amendment to the 2017 Credit Agreement, which amended the total leverage ratio covenant, and which was necessary in order for us to remain in compliance with the terms of the 2017 Credit Agreement. The 2017 Credit Agreement is scheduled to mature on September 22, 2023.
Under the 2017 Credit Agreement, the annual interest rate on the loan borrowing is equal to (i) in the case of base rate loans, the sum of an initial borrowing margin of 0.500 percent plus the higher of the prime rate, one-half of one percent in excess of the overnight “federal funds” rate, or the Eurodollar rate for one month plus 1.000 percent, or (ii) in the case of Eurodollar rate loans, the sum of an initial borrowing margin of 1.500 percent plus the Eurodollar rate for the selected interest period. The borrowing margin is subject to adjustment based on the Company’s debt rating as provided by certain rating agencies. The Company has the option to borrow in base rate loans or Eurodollar rate loans at its discretion. The commitment commission on the revolving credit facility under the 2017 Credit Agreement is 0.200 percent of the unused revolving credit commitment, which rate shall be subject to adjustment based on the Company’s debt rating as provided by certain rating agencies. For the nine months ended September 30, 2019, the weighted average interest rate was approximately 4.2225 percent.
In August 2019, the Company made voluntary term loan repayments of $30.0 million. As of September 30, 2019, the contractual maturities of the term loan under the 2017 Credit Agreement were as follows: 2019—$0.0 million; 2020—$0.0 million; 2021—$9.4 million; 2022—$17.5 million; and 2023—$258.1 million. Due to the timing of working capital needs, the Company will periodically borrow from the revolving loan under the 2017 Credit Agreement. At December 31, 2018 and September 30, 2019, the Company had 0 revolving loan borrowings. At September 30, 2019, the Company had a borrowing capacity of $400.0 million under the 2017 Credit Agreement. Included in long-term debt, capital lease and deferred financing obligations are deferred loan and bond issuance costs as of December 31, 2018 and September 30, 2019 of $5.9 million and $6.1 million, respectively.
Letter of Credit Agreement
On August 22, 2017, the Company entered into a Continuing Agreement for Standby Letters of Credit with The Bank of Tokyo-Mitsubishi UFJ, Ltd. (“BTMU”), as issuer (the “L/C Agreement”), under which BTMU, at its sole discretion, may provide stand-by letter of credit to the Company. The Company had letters of credit outstanding under the L/C Agreement as of December 31, 2018 and September 30, 2019 of $66.1 million and $66.4 million, respectively.