9. Long-Term Debt

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Long-term debt is comprised of the following:

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Credit Facility

Third Amendment to the Amended and Restated Credit Agreement

In December 2025, we amended our Amended and Restated Credit Agreement to, among other things, remove the 0.10% per annum credit spread adjustment that was previously included in the calculation of the interest rate applicable to the loans made under the Credit Facility, decrease the applicable margin for all borrowings by 0.25% per annum such that the applicable margin for borrowings varies and decrease the commitment fee payable on the daily unused amount of the Credit Facility from 0.375% per annum to 0.25% per annum when less than 50% of the Credit Facility is utilized. We did not incur any transaction costs related to the Third Amendment to the Amended and Restated Credit Agreement.

As of June 30, 2026, there were $3.2 million letters of credit outstanding under the Credit Facility and the applicable margin on borrowings outstanding was 1.7%. The weighted-average annual interest rate on the outstanding balance under the Credit Facility was 5.4% and 5.8% at June 30, 2026 and December 31, 2025, respectively. We incurred $0.4 million of commitment fees on the daily unused amount of the Credit Facility during both the three months ended June 30, 2026 and 2025, and $1.1 million and $1.0 million during the six months ended June 30, 2026 and 2025, respectively.

As of June 30, 2026, we were in compliance with all covenants under our Amended and Restated Credit Agreement. Additionally, all undrawn capacity on our Credit Facility was available for borrowings as of June 30, 2026.

Second Amendment to the Amended and Restated Credit Agreement

In May 2025, we amended our Amended and Restated Credit Agreement to, among other things, increase the borrowing capacity of the Credit Facility from $1.1 billion to $1.5 billion and to provide for the ability for the borrowers to request additional increases in the aggregate commitments under the Credit Facility to a total amount not to exceed $2.3 billion (with any increase being at the discretion of the lenders and subject to the satisfaction of certain conditions set forth in the Amended and Restated Credit Agreement).

During the year ended December 31, 2025, we incurred $1.9 million in transaction costs related to the Second Amendment to the Amended and Restated Credit Agreement, which were included in other assets in our condensed consolidated balance sheets and are being amortized over the remaining term of the Credit Facility.

First Amendment to the Amended and Restated Credit Agreement

In August 2024, we amended our Amended and Restated Credit Agreement to, among other things:

We incurred $2.6 million in transaction costs related to the First Amendment to the Amended and Restated Credit Agreement, which were included in other assets in our condensed consolidated balance sheets and are being amortized over the remaining term of the Credit Facility.

2034 Notes

On January 21, 2026, we completed a private offering of $800.0 million aggregate principal amount of 6.0% senior notes due 2034 and received net proceeds of $789.4 million after deducting issuance costs. In January 2026, the approximately $10.6 million of issuance costs were recorded as deferred financing costs within long-term debt in our condensed consolidated balance sheets and are being amortized to interest expense in our condensed consolidated statements of operations over the term of the notes. The net proceeds were used to repay borrowings outstanding under our Credit Facility.

The 2034 Notes have not been and will not be registered under the Securities Act or the securities laws of any other jurisdiction and may not be offered or sold in the U.S. except pursuant to a registration exemption under the Securities Act and applicable state securities laws. We offered and issued the 2034 Notes only to qualified institutional buyers in accordance with Rule 144A under the Securities Act and to certain non-U.S. persons outside the U.S. in accordance with Regulation S under the Securities Act. The 2034 Notes are fully and unconditionally guaranteed, jointly and severally, on a senior unsecured basis by us, and by all of our existing subsidiaries, other than Archrock Services, L.P. and Archrock Partners Finance Corp., which are the issuers of the 2034 Notes. The 2034 Notes and the guarantees rank equally in right of payment with all of our and the guarantors’ existing and future senior unsecured indebtedness.

We may, at our option, redeem all or part of the 2034 Notes at any time on or after February 1, 2029, at specified redemption prices, plus any accrued and unpaid interest. In addition, prior to February 1, 2029, we may redeem up to 40% of the 2034 Notes, in an amount equal to the net cash proceeds of one or more equity offerings, at a specified redemption price, plus any accrued and unpaid interest. We may also redeem all or part of the 2034 Notes at any time prior to February 1, 2029 at a redemption price equal to the principal amount and a make whole premium, plus any accrued and unpaid interest.

The indenture governing the 2034 Notes contains covenants that, among other things, limit our ability to pay dividends on, repurchase or redeem our common stock or repurchase or redeem subordinated debt; make investments; incur or guarantee additional indebtedness or issue preferred securities; create or incur certain liens; sell assets; consolidate, merge or transfer all or substantially all of our assets; enter into agreements that restrict distributions or other payments from our restricted subsidiaries to us; engage in transactions with affiliates; and create unrestricted subsidiaries. If the 2034 Notes achieve an investment grade rating from any two out of three of Moody’s Investors Service, Inc., Fitch Ratings, Inc. and S&P Global Ratings and no default has occurred and is continuing, many of these covenants will terminate. The indenture governing the 2034 Notes also contains customary events of default.

2032 Notes

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In August 2024, we completed a private offering of $700.0 million aggregate principal amount of 6.625% senior notes due September 2032 and received net proceeds of $690.0 million after deducting issuance costs. The $10.0 million of issuance costs were recorded as deferred financing costs within long-term debt in our condensed consolidated balance sheets and are being amortized to interest expense in our condensed consolidated statements of operations over the term of the notes. A portion of the net proceeds were used to fund a portion of the cash consideration for the TOPS Acquisition, the 2027 Notes Tender Offer and to repay borrowings outstanding under our Credit Facility.

The 2032 Notes have not been and will not be registered under the Securities Act or the securities laws of any other jurisdiction and may not be offered or sold in the U.S. except pursuant to a registration exemption under the Securities Act and applicable state securities laws. We offered and issued the 2032 Notes only to qualified institutional buyers in accordance with Rule 144A under the Securities Act and to certain non-U.S. persons outside the U.S. in accordance with Regulation S under the Securities Act.

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The 2032 Notes are fully and unconditionally guaranteed, jointly and severally, on a senior unsecured basis by us, and by all of our existing subsidiaries, other than Archrock Partners, L.P. and Archrock Partners Finance Corp., which are the issuers of the 2032 Notes. The 2032 Notes and the guarantees rank equally in right of payment with all of our and the guarantors’ existing and future senior unsecured indebtedness.

We may, at our option, redeem all or part of the 2032 Notes at any time on or after September 1, 2027, at specified redemption prices, plus any accrued and unpaid interest. In addition, prior to September 1, 2027, we may redeem up to 40% of the 2032 Notes, in an amount equal to the net cash proceeds of one or more equity offerings, at a specified redemption price, plus any accrued and unpaid interest. We may also redeem all or part of the 2032 Notes at any time prior to September 1, 2027 at a redemption price equal to the principal amount and a make whole premium, plus any accrued and unpaid interest.

The indenture governing the 2032 Notes contains covenants that, among other things, limit our ability to pay dividends on, repurchase or redeem our common stock or repurchase or redeem subordinated debt; make investments; incur or guarantee additional indebtedness or issue preferred securities; create or incur certain liens; sell assets; consolidate, merge or transfer all or substantially all of our assets; enter into agreements that restrict distributions or other payments from our restricted subsidiaries to us; engage in transactions with affiliates; and create unrestricted subsidiaries. If the 2032 Notes achieve an investment grade rating from each of Moody’s Investors Service, Inc. and S&P Global Ratings and no default has occurred and is continuing, many of these covenants will terminate. The indenture governing the 2032 Notes also contains customary events of default.

2028 Notes

In December 2020, we completed a private offering of $300.0 million aggregate principal amount of 6.25% senior notes due April 2028, which were issued pursuant to the indenture under which we completed a private offering of $500.0 million aggregate principal amount of 6.25% senior notes in December 2019. The notes of the two offerings have identical terms and are treated as a single class of securities. The $300.0 million of notes were issued at 104.875% of their face value and have an effective interest rate of 5.6%. The $500.0 million of notes were issued at 100% of their face value and have an effective interest rate of 6.8%.

The net proceeds from the 2028 Notes were used to repay borrowings outstanding under our Credit Facility. Issuance costs related to the 2028 Notes were considered deferred financing costs, and together with the issue premium of the December 2020 offering of 2028 Notes, were recorded within long-term debt in our condensed consolidated balance sheets and were being amortized to interest expense in our condensed consolidated statements of operations over the terms of the notes.

2028 Notes Redemption

On April 1, 2026, we repurchased our 2028 Notes. The 2028 Notes were redeemed at 100% of their $800.0 million aggregate principal amount plus accrued and unpaid interest of approximately $25.0 million with borrowings under the Credit Facility. We recorded a debt extinguishment gain of $0.7 million in our condensed consolidated statements of operations during the second quarter of 2026 due to the write-off of unamortized debt premium of $4.0 million, which was partially offset by the write-off of unamortized debt issuance costs of $3.3 million.

2027 Notes

In March 2019, we completed a private offering of $500.0 million aggregate principal amount of 6.875% senior notes due April 2027 and received net proceeds of $491.2 million after deducting issuance costs of $8.8 million. The $500.0 million of notes were issued at 100% of their face value and have an effective interest rate of 7.9%.

The net proceeds from the 2027 Notes were used to repay borrowings outstanding under our Credit Facility. Issuance costs related to the 2027 Notes were considered deferred financing costs and were recorded within long-term debt in our condensed consolidated balance sheets and were being amortized to interest expense in our condensed consolidated statements of operations over the terms of the notes.

2027 Notes Tender Offer

In connection with the offering of the 2032 Notes, we completed a concurrent cash tender offer of $202.0 million, which reflects approximately 101% of the $200.0 million aggregate principal amount of the tendered 2027 Notes and $0.2 million of agent and legal fees. On the date of tender, the net carrying value of the tendered 2027 Notes was $198.8 million and during the third quarter of 2024, we recorded a debt extinguishment loss of $3.2 million in our condensed consolidated statements of operations.

2027 Notes Redemption

In November 2025, we repurchased our 2027 Notes. The 2027 Notes were redeemed at 100% of their $300.0 million aggregate principal amount plus accrued and unpaid interest of approximately $2.6 million with borrowings under the Credit Facility. We recorded a debt extinguishment loss of $0.9 million related to unamortized debt issuance costs during the fourth quarter of 2025.