FTS International, Inc. announced that on December 12, 2019, Boon Sim submitted a resignation letter resigning from his position as a director of the company and as a member of the Compensation Committee and the Nominating and Corporate Governance Committee of the Board of Directors of the company, with such resignation to be effective as of December 12, 2019. In accordance with the Investors’ Rights Agreement, dated as of February 1, 2018, by and among the company, Maju Investments (Mauritius) Pte Ltd. (Maju) and CHK Energy Holdings, Inc., Maju, the company’s largest stockholder, designated John Vaske as its nominee to fill the vacancy on the Board created by Mr. Sim’s resignation. On December 12, 2019, the Board appointed Mr. Vaske as a Class I director to fill the vacancy on the Board created by Mr. Sim’s resignation effective as of December 12, 2019 with a term set to expire at the 2022 annual meeting of stockholders. Mr. Vaske will also serve as member of the Compensation Committee and the Nominating and Corporate Governance Committee effective as of December 12, 2019.