Long-term debt consists of the following:


	As at December 31	As at December 31
(in millions of U.S. dollars)	2022	2021
LONG-TERM DEBT
Senior unsecured notes - due May 15, 2025 (a)	—	97.1
Senior unsecured notes - due July 15, 2027 (b)	394.9	393.9
Credit Facility (c)	—	—
Total long-term debt	394.9	491.0

In May 2022, the Company redeemed the $100.0 million principal amount of its outstanding senior unsecured notes due May 15, 2025 ("2025 Unsecured Notes"). The redemption was funded with cash on hand. The Company recognized a loss on repayment of long-term debt of $4.3 million, primarily comprised of the early redemption premium paid and the de-recognition of deferred financing charges associated with the 2025 Unsecured Notes.

As at December 31, 2022, the Company has $400.0 million of senior unsecured notes outstanding that mature and become due and payable on July 15, 2027 ("2027 Unsecured Notes"). The 2027 Unsecured Notes are denominated in U.S. dollars and bear interest at the rate of 7.50% per annum. Interest is payable in arrears in equal semi-annual installments on January 15 and July 15 of each year.

The 2027 Unsecured Notes are subject to a minimum interest coverage incurrence covenant of earnings before interest, taxes, depreciation, amortization, impairment, and other non-cash adjustments to interest of 2:1. The test is applied on a pro-forma basis prior to the Company incurring additional debt, entering into business combinations or acquiring significant assets, or certain other corporate actions. There are no maintenance covenants.

•At any time prior to July 15, 2023 at a redemption price of 100% of the aggregate principal amount of the 2027 Unsecured Notes, plus a make-whole premium (consisting of the redemption price as described below, and future interest that would have been paid up to the first call date of July 15, 2023), plus accrued and unpaid interest, if any, to the redemption date.

•During the 12-month period beginning on July 15 of the years indicated at the redemption prices below, expressed as a percentage of the principal amount of the 2027 Unsecured Notes to be redeemed, plus accrued and unpaid interest, if any, to the redemption date:

The Company holds a revolving credit facility (the "Credit Facility”) with a maturity date of December 22, 2025 and a borrowing limit of $400.0 million. The Credit Facility contains various covenants customary for a loan facility of this nature, including limits on indebtedness, asset sales, and liens. The Credit Facility contains three covenant tests all of which are measured on a rolling four-quarter basis at the end of every quarter:

•The minimum interest coverage ratio, being earnings before interest, taxes, depreciation, amortization, exploration, impairment, and other non-cash adjustments (“Adjusted EBITDA”) to interest;

Significant financial covenants are as follows:


		Twelve months ended December 31	Twelve months ended December 31
Financial Covenant		2022	2021
FINANCIAL COVENANTS
Minimum interest coverage ratio (Adjusted EBITDA to interest)	>3.0 :1	4.5 : 1	7.2 : 1
Maximum leverage ratio (net debt to Adjusted EBITDA)	<4.5:1	2.1 : 1	0.6: 1
Maximum secured leverage ratio (secured debt to Adjusted EBITDA)	<2.0:1	0.2 : 1	0.1 : 1

The interest margin on drawings under the Credit Facility ranges from 1.25% to 3.75% over LIBOR, the Prime Rate or the Base Rate based on the Company’s Leverage Ratio, and the currency and type of credit selected by the Company. Based on the Company’s Leverage Ratio, the rate is 2.75% over LIBOR as at December 31, 2022 (December 31, 2021 – 2.25%). The standby fees on undrawn amounts under the Credit Facility range from 0.51% to 0.84%, depending on the Company’s Leverage Ratio. Based on the Company’s Leverage Ratio, the rate is 0.62% as at December 31, 2022 (December 31, 2021 – 0.51%).

For the year ended December 31, 2022, $nil has been drawn under the Credit Facility. The Credit Facility has been used to issue letters of credit amounting to $27.5 million (December 31, 2021 - $24.1 million). Letters of credit relate to reclamation bonds, and other financial assurances required with various government agencies.