SECURITIES AND EXCHANGE COMMISSION

This Amendment No. 4 (this “Amendment No. 4”) amends and supplements the Tender Offer Statement on Schedule TO originally filed with the Securities and Exchange Commission (“SEC”) by Comstock Resources, Inc., a Nevada corporation (the “Company”), on April 2, 2018 (the “Original Schedule TO”), Amendment No.

1 to the Original Schedule TO filed with the SEC on April 2, 2018 (“Amendment No. 1”), Amendment No. 2 to the Original Schedule TO filed with the SEC on April 10, 2018 (“Amendment No. 2”) and Amendment No. 3 to the Original Schedule TO filed with the SEC on April 20, 2018 (“Amendment No. 3” and, and together with this Amendment No. 4, the Original Schedule TO, Amendment No. 1 and Amendment No. 2, the “Schedule TO”), to holders of the Company’s (i) 7 3/4% Convertible Secured PIK Notes due 2019 (the “2019 Notes”) and (ii) 9 1/2% Convertible Secured PIK Notes due 2020 (the “2020 Notes”, and together with the 2019 Notes, the “Notes”) to purchase all of the aggregate outstanding principal amount of the Notes. The Tender Offer is subject to the terms and conditions set forth in the Offer to Purchase and Consent Solicitation dated April 2, 2018 (the “Offer to Purchase”), a copy of which was filed as Exhibit (a)(1)(i) to the Schedule TO, as supplemented by the supplement to the Offer to Purchase dated April 19, 2018 was filed as Exhibit (a)(1)(iii) (“Offer to Purchase Supplement”), and in the related Consent and Letter of Transmittal (the “Consent and Letter of Transmittal”), a copy of which was filed as Exhibit (a)(1)(ii) to the Schedule TO.