2025-12-17_GENERAL DOCUMENTS - C2009087

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�MeNT OF l U.SBUREPARTNEWOFTHEINUR U OFAIAND F-ADMEMOR p United States Department of the Interior BUREAU OF LAND MANAGEMENT CH 3 �aa9 Colorado State Office Denver Federal Center, Building 40 PO Box 151029 Lakewood, CO 80215 www.blm.gov/colorado In Reply Refer To: 3452 (CO-921) COC 0088199 OFFICIAL ELECTRONIC MAIL NOTICE Sage Creek Holdings, LLC 701 Market Street St. Louis, MO 63101-1830 Notice of Default Effective December 12, 2025, the Bureau of Land Management(BLM)terminated Logical Mining Unit(LMU) C00076191 for failure to achieve diligent development within the timeframe established in the LMU stipulations. According to 43 CFR 3483.2, after an LMU has been terminated, any Federal coal lease included in that LMU shall then be subject to the diligent development and continued operation requirements that would have been imposed on that Federal lease, as if the Federal lease had not been included in the LMU. Federal lease COC 0088199 achieved diligent development under LMU COC 057193 on December 31, 1986, as part of the Seneca II Mine. Because diligence was met under a previous operation, COC 0088199 became subject to the continued operations requirements stated in 43 CFR 3483.1(a)(2). With the termination of the LMU, lease COC 0088199 is in default for failure to produce commercial quantities during each continued operation year since the establishment of the recoverable reserve estimate of the LMU. According to 43 CFR 3452.2-2, where a lessee has defaulted in the performance of its lease terms or failed to comply with BLM's regulations, the lessee shall be given notice of the default, breach or cause of forfeiture and be afforded 30 days to correct the default, to request an extension of time in which to correct the default, or to submit evidence showing why the lease should not be cancelled, before the BLM may take the appropriate steps to institute proceedings in a court of competent jurisdiction for the cancellation of the leases. The BLM is issuing this Notice of Default(NOD)to Sage Creek Holdings, LLC (Sage Creek) in accordance with 43 CFR 3452.2-2 for failure to comply with Federal coal lease terms and conditions and Federal coal regulations, specifically 43 CFR 3483.1(a)(2). Because continued INTERIOR REGION 7• UPPER COLORADO BASIN COLOPADO,NEW MEXICO,UTAH,WYOMING