FTS International, Inc. reported that Bryan Lemmerman resigned as a member of its Board of Directors and that Ben Russ has been appointed as a member of its Board of Directors to fill the vacancy created by Lemmerman's resignation. Russ was nominated to serve on the Board of Directors by CHK Energy Holdings (CHK), in accordance with the Investors' Rights Agreement by and among the Company, Maju Investments (Mauritius) Pte and CHK, and will replace Lemmerman as one of the two CHK board designees.