TEXT-EXTRACT 2 filename2.txt United States securities and exchange commission logo June 22, 2023 Elijio V. Serrano Chief Financial Officer TETRA Technologies, Inc. 24955 Interstate 45 North The Woodlands, Texas 77380 Re: TETRA Technologies, Inc. Form 10-K for the Fiscal Year ended December 31, 2022 Filed February 27, 2023 File No. 001-13455 Dear Elijio V. Serrano: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Energy & Transportation