The 2028 Notes are guaranteed on a senior secured basis. We may redeem the 2028 Notes, in whole or in part, at any time prior to June 1, 2024, at a price equal to 100% of the principal amount of the 2028 Notes plus a “make-whole” premium as of, and accrued and unpaid interest, if any, up to, but not including, the redemption date. At any time on or after June 1, 2024, we may redeem some or all of the 2028 Notes at the redemption prices (expressed as percentages of the principal amount to be redeemed) set forth in the 2028 Notes indenture, plus accrued and unpaid interest, if any, up to, but not including the redemption date. In addition, we may redeem up to 35% of the aggregate principal amount of the 2028 Notes before June 1, 2024, with the net cash proceeds from certain equity offerings at a redemption price of 107.125% of the principal amount plus accrued and unpaid interest, if any, up to, but not including the redemption date. We may also redeem up to 10% of the aggregate original principal amount of the 2028 Notes per twelve-month period, in connection with up to two redemptions in such twelve-month period, at a redemption price of 101% of the principal amount plus accrued and unpaid interest up to, but not including, the redemption date.
The 2028 Notes mature on June 1, 2028, unless earlier redeemed or repurchased. Interest accrues on the 2028 Notes from September 10, 2021, and is payable semi-annually, in cash in arrears, on June 1 and December 1 of each year, commencing December 1, 2021. Based on the balance of the 2028 Notes outstanding, we are required to pay $8.2 million per year in interest. At June 30, 2022, accrued interest on the 2028 Notes was $0.7 million.
The indenture to the 2028 Notes contains covenants that, among other things and subject in each case to certain specified exceptions, limit the ability to: (i) incur additional debt; (ii) declare or pay dividends, redeem stock or make other distributions to stockholders; (iii) make investments; (iv) create liens or use assets as security in other transactions; (v) merge or consolidate, or sell, transfer, lease or dispose of substantially all assets; (vi) engage in transactions with affiliates; and (vii) sell or transfer assets. At June 30, 2022, we were, and we remain, in compliance with all of the covenants under the indenture.
We recorded debt issuance costs of $4.7 million, of which $2.5 million of third-party debt modification costs were expensed during 2021 and $0.2 million were expensed during the three months ended March 31, 2022, $0.8 million was deferred with the Delayed Draw 2028 Notes, and $1.1 million, along with $3.0 million from the exchanged 2024 Notes, is being amortized as part of the effective yield on the 2028 Notes. During the three and six months ended June 30, 2022, $0.2 million and $0.4 million, respectively, of debt issuance costs and delayed draw fees associated with the Notes were amortized to interest expense.
We received $11.2 million in aggregate principal amount of PPP loans through the SBA during the first quarter of 2021 based on the eligibility of our radio stations and networks as determined on a
per-location
basis. The PPP loans were accounted for as debt in accordance with FASB ASC Topic 470. The loan balances and accrued interest were forgivable provided that the proceeds were used for eligible purposes, including payroll, benefits, rent, and utilities within the covered period. We used the PPP loan proceeds according to the terms and filed timely applications for forgiveness. During July 2021, the SBA forgave all but $20,000 of the PPP loans resulting in a
pre-tax
gain on the forgiveness of $11.2 million. The remaining PPP loan was repaid in July 2021.
On May 19, 2017, we issued 6.75% Senior Secured Notes (“2024 Notes”) in a private placement. The 2024 Notes are guaranteed on a senior secured basis by our existing subsidiaries (“Subsidiary Guarantors”). The 2024 Notes bear interest at a rate of 6.75% per year and mature on June 1, 2024, unless they are earlier redeemed or repurchased. Interest is payable semi-annually, in cash in arrears, on June 1 and December 1 of each year.
The 2024 Notes are secured by a first-priority lien on substantially all assets of ours and the Subsidiary Guarantors other than the ABL Facility Priority Collateral as described below. There is no direct lien on our FCC licenses to the extent prohibited by law or regulation other than the economic value and proceeds thereof.
The indenture relating to the 2024 Notes contains covenants that, among other things and subject in each case to certain specified exceptions, limit our ability and the ability of our restricted subsidiaries to: (i) incur additional debt; (ii) declare or pay dividends, redeem stock or make other distributions to stockholders; (iii) make investments; (iv) create liens or use assets as security in other transactions; (v) merge or consolidate, or sell, transfer, lease or dispose of substantially all of our assets; (vi) engage in transactions with affiliates; and (vii) sell or transfer assets. At June 30, 2022, we were, and we remain, in compliance with all of the covenants under the indenture.
We recorded debt issuance costs of $6.3 million as a reduction of the debt proceeds being amortized to
non-cash
interest expense over the life of the Notes using the effective interest method. During the three and six months ended June 30, 2022, $45,000 and $0.1 million, respectively, of debt issuance costs associated with the Notes was amortized to interest expense. During the three and six months ended June 30, 2021, $0.2 million and $0.4 million, respectively, of debt issuance costs associated with the Notes was amortized to interest expense.
Based on the balance of the 2024 Notes outstanding of $44.7 million, we are required to pay $3.0 million per year in interest on the 2024 Notes. At June 30, 2022, accrued interest on the 2024 Notes was $0.3 million.
We may from time to time, depending on market conditions and prices, contractual restrictions, our financial liquidity, and other factors, seek to repurchase the 2024 Notes in open market transactions, privately negotiated transactions, by tender offer or otherwise, as market conditions warrant. As described above within the 2028 Notes, on September 10, 2021, we exchanged $112.8 million of the 2024 Notes for $114.7 million of newly issued 2028 Notes, reflecting a call premium of 1.688%. Bond issuance costs of $1.1 million associated with the $112.8 million of the 2024 Notes are being amortized as part of the effective yield on the 2028 Notes.