Second Amendment to Master Receivables Purchase Agreement, dated as of October 24, 2023 among ChampionX LLC, US Synthetic Corporation and Apergy ESP Systems, LLC as Sellers, Apergy USA, Inc. as Servicer, ChampionX Corporation, and JPMorgan Chase Bank, N.A., as Purchaser

This Second Amendment dated as of October 24th, 2023 (the “Amendment”) is to that certain Master Receivables Purchase Agreement dated as of June 28, 2022, among ChampionX LLC, US Synthetic Corporation and Apergy ESP Systems, LLC,, as Seller and Servicer, Apergy USA, Inc., as Servicer, ChampionX Corporation, as Company and Seller Representative, and JPMorgan Chase Bank, N.A., as Purchaser (as amended, extended, modified, supplemented, restated, renewed and/or replaced, the “RPA”), under which a Seller may request to sell and assign certain receivables to Purchaser pursuant to the terms therein and Purchaser may in its sole discretion purchase such receivables (such arrangement, the “Uncommitted Receivables Purchase Facility”). Unless otherwise defined herein, capitalized terms shall have the meanings assigned to them in the RPA.

WHEREAS, Apergy ESP Systems, LLC is expected to merge with and into ChampionX LLC, such merger expected to be effective on or about November 1, 2023.

NOW, THEREFORE, for mutual consideration, the receipt of which is hereby acknowledged by the parties, the Purchaser and Seller Representative (acting on behalf of each Seller) hereby agree to amend the RPA as follows:

1.Schedule II (Accounts) of the RPA is hereby deleted in its entirety and replaced with a new Schedule II in the form of Exhibit A attached to this Amendment.

2.This Amendment, once executed by the parties hereto, shall become effective as of the date of the merger between Apergy ESP Systems, LLC and ChampionX LLC.

3.Except as specifically amended by this Amendment, the provisions of the RPA remain in full force and effect, including without limitation, the uncommitted nature of the receivables purchase facility documented under the RPA.

4.This Amendment shall be governed by, and construed in accordance with, the laws of the State of New York. This Amendment may be executed in counterparts, each of which shall be considered an original, but all of which shall be considered one and the same agreement. Delivery of an executed counterpart of a signature page of this Amendment by telecopy, emailed pdf or any other electronic means that reproduces an image of the actual executed signature page shall be effective as delivery of a manually executed counterpart of this Amendment.

    IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed by their respective authorized officers as of the day and year of the merger as indicated above.

CHAMPIONX CORPORATION, as Seller Representative

By:    __/s/ Daniel T. Erdman________________

Name:    Daniel T. Erdman

Title:    Vice President and Treasurer

JPMORGAN CHASE BANK, N.A., as Purchaser

By:    __/s/ Jason Benson___________________

Name:    Jason Benson

Title:    Executive Director