Arch Resources, Inc. ("Arch") (NYSE: ARCH) and CONSOL Energy Inc. ("CONSOL") (NYSE: CEIX) announced that the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), in relation to the pending combination of CONSOL and Arch expired at 11:59 p.m. Eastern Time on October 11, 2024. The expiration of the waiting period under the HSR Act is one of the conditions to the closing of the pending combination. Completion of the transaction is subject to the satisfaction of the remaining customary closing conditions, including approval by both companies' stockholders.