8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM

8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of theSecurities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): August 27, 2024

Commission File Number 001-33666

ARCHROCK, INC.

(Exact name of registrant as specified in its charter)

9807 Katy Freeway, Suite 100, Houston,TX 77024

(Address of principal executive offices, zip code)

(281) 836-8000

Registrant’s telephone number, including area code

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

On August 27, 2024, Archrock, Inc. (the “Company”) issued a press release announcing the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, with respect to the Company's pending acquisition of all the issued and outstanding equity interests in Total Operations and Production Services, LLC (“TOPS”), a portfolio company managed by certain affiliates of Apollo Global Management, Inc. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference.

The information included in this Item 7.01 and Exhibit 99.1 attached hereto is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information included in this Item 7.01 and Exhibit 99.1 attached hereto shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

(d) Exhibits*.*

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: August 27, 2024

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Exhibit 99.1

Archrock AnnouncesExpiration of Hart-Scott-Rodino Act Waiting Period for Acquisition of Total Operations and Production Services, LLC

HOUSTON, August 27, 2024 – Archrock, Inc. (NYSE: AROC) today announced the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (the "HSR Act"), in connection with its pending acquisition of Total Operations and Production Services, LLC.

The expiration of the waiting period under the HSR Act satisfies an important condition necessary for the completion of the transaction.

The transaction is expected to close in the third quarter of 2024 subject to the satisfaction of other customary closing conditions.

About Archrock

Archrock is an energy infrastructure company with a primary focus on midstream natural gas compression and a commitment to helping its customers produce, compress and transport natural gas in a safe and environmentally responsible way. Headquartered in Houston, Texas, Archrock is a premier provider of natural gas compression services to customers in the energy industry throughout the U.S. and a leading supplier of aftermarket services to customers that own compression equipment. For more information on how the Company embodies its purpose, WE POWER A CLEANER AMERICA^TM^, visit www.archrock.com.

Forward-Looking Statements

This press release contains forward-looking statements, which include statements about the expected benefits of the acquisition of Total Operations and Production Services, LLC, including the the anticipated completion of the acquisition and the timing thereof. These statements are not guarantees of future performance or actions. Forward-looking statements rely on a number of assumptions concerning future events and are subject to risks and uncertainties. If one or more of these risks or uncertainties materialize, actual results may differ materially from those contemplated by a forward-looking statement. Forward-looking statements speak only as of the date on which they are made. Archrock expressly disclaims any obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise. A further list and description of risks, uncertainties and other matters can be found in Archrock’s Annual Report on Form 10-K for the fiscal year ended December 31, 2023, and as set forth from time to time in Archrock’s filings with the Securities and Exchange Commission. These filings are available online at www.sec.gov and www.archrock.com.

For information, contact:

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