2445 Technology Forest Boulevard
Building 4, 12th Floor
The Woodlands, Texas 77381
March 1, 2021
U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
|Re:||Notice of Disclosure Filed in Exchange Act Quarterly Report Under Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Exchange Act|
Ladies and Gentlemen:
Notice is hereby provided that ChampionX Corporation’s Annual Report on Form 10-K for the fiscal year ended December 31, 2020, which was filed with the U.S. Securities and Exchange Commission on March 1, 2021, contains information required to be disclosed by Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934.
|/s/ Julia Wright|
|Senior Vice President, General Counsel and Secretary|