and the Revolving Credit Facility. All personal property assets, including, but not limited to accounts receivable, coal inventory and certain mining equipment are pledged to secure the Credit Agreement.
The Revolving Credit Facility has a maturity date of December 31, 2023 and bears interest based on LIBOR + 2.0% or Base Rate + 1.5%. Base Rate is the highest of (i) KeyBank’s prime rate, (ii) Federal Funds Effective Rate + 0.5%, or (iii) LIBOR + 2.0%. Advances under the Revolving Credit Facility are made initially as base rate loans but may be converted to LIBOR rate loans at certain times at our discretion. At September 30, 2021, there was no amount outstanding under the Revolving Credit Facility and we had remaining availability of $27.1 million.
The Term Loan is secured under a Master Security Agreement with a pledge of certain underground and surface mining equipment, bears interest at LIBOR + 5.15% and is required to be repaid in monthly installments of $278 thousand including accrued interest. The outstanding principal balance under the Term Loan was $4.2 million at September 30, 2021.
The Credit Agreement contains usual and customary covenants including limitations on liens, additional indebtedness, investments, restricted payments, asset sales, mergers, affiliate transactions and other customary limitations, as well as financial covenants. At September 30, 2021, we were in compliance with all debt covenants under the Credit Agreement.
Key Equipment Finance Loan—On April 16, 2020, we entered into an equipment loan with Key Equipment Finance, a division of KeyBank, as lender, in the principal amount of approximately $4.7 million for the financing of existing underground and surface equipment (the “Equipment Loan”). The Equipment Loan bears interest at 7.45% per annum and is payable in 36 monthly installments of $147 thousand. There is a 3% premium for prepayment of the note within the first 12 months. This premium declines by 1% during each successive 12-month period. The outstanding principal balance under the Equipment Loan was $2.6 million at September 30, 2021.
9.00% Senior Unsecured Notes due 2026—On July 13, 2021, we completed an offering of $34.5 million, in the aggregate, of the Company’s 9.00% Senior Unsecured Notes due 2026 (the “Notes”), less $2.4 million for note offering costs. The Notes mature on July 30, 2026, unless redeemed prior to maturity. The Notes bear interest at a rate of 9.00% per annum, payable quarterly in arrears on the 30th day of January, April, July and October of each year, commencing on July 30, 2021. We may redeem the Notes in whole or in part, at our option, at any time on or after July 30, 2023, or upon certain change of control events, at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest to, but not including, the date of redemption The outstanding principal balance under the Notes was $34.5 million at September 30, 2021.
J. H. Fletcher & Co. Loan—On July 23, 2021, we entered into an equipment loan with J. H. Fletcher & Co., as lender, in the principal amount of approximately $1.0 million for the financing of underground equipment (the “Fletcher Equipment Loan”). The Fletcher Equipment Loan bears interest at 0% per annum and is payable in 24 monthly installments of $40 thousand. The outstanding principal balance under the Fletcher Equipment Loan was approximately $0.8 million at September 30, 2021.
Komatsu Financial Limited Partnership Loan—On August 16, 2021, we entered into an equipment loan with Komatsu Financial Limited Partnership, as lender, in the principal amount of approximately $1.0 million for the financing of surface equipment (the “Komatsu Equipment Loan”). The Komatsu Equipment Loan bears interest at 4.6% per annum and is payable in 36 monthly installments of $36 thousand for the first six months and then at $28 thousand until maturity. The outstanding principal balance under the Komatsu Equipment Loan was approximately $1.0 million at September 30, 2021.
SBA Paycheck Protection Program Loan— On April 20, 2020, we received proceeds from the PPP Loan in the amount of approximately $8.4 million from KeyBank, as lender, pursuant to the PPP of the CARES Act. The purpose of the PPP is to encourage the continued employment of workers. We used all of the PPP Loan proceeds for eligible payroll expenses, lease, interest and utility payments.
On July 29, 2021, we were notified by KeyBank that full forgiveness had been approved by the SBA.