This is to give notice that the U.S. Environmental Protection Agency (EPA), Region 6, following review of a complete application, proposes to issue an Underground Injection Control (UIC) permit number 06S1261P6559 to Wellco Energy, Inc. PO Box 14130 Oklah

This is to give notice that the U.S. Environmental Protection Agency (EPA), Region 6, following review of a complete application, proposes to issue an Underground Injection Control (UIC) permit number 06S1261P6559 to Wellco Energy, Inc. PO Box 14130 Oklahoma City, OK 73133 The proposal will change the Permittee's authorization of well Robertson 11 from an authorized by rule to a permitted Class II Disposal injection well. This well is located in the SW/4, Sec. 03, T22N, R09E, Osage County, OK. The application requests authorization to cement a liner inside the existing long-string casing and to inject saltwater into the Skinner Sand formation at an injection interval depth of 1872 to 1891 feet for disposal, in feet below land surface (bls). The Underground Source of Drinking Water is at a depth of 240 feet bls. A maximum of 7500 barrels/month will be injected at a maximum pressure of 510 psig. EPA has issued emergency authorization to the permit applicant to conduct the workover and inject salt water into the referenced well. The emergency authorization shall remain in effect until EPA issues a final decision on the permit application. The EPA draft document, statement of basis and supporting documentation, submitted by the applicant, are available for public review Monday through Friday from 8:00 a.m. to 4:00 p.m. at the: Osage UIC Office, 102 Midland, Pawhuska, Oklahoma 74061, or at the Environmental Protection Agency, 1201 Elm Street, Suite 500, Dallas, Texas 75270-2102. It is recommended that you write or call for an appointment, so the record(s) will be available at your convenience. You may also request more information or a copy of the application, statement of basis and draft. Contact Information: Osage Nation Department of Natural Resources (918) 287-5333, or Ms. LaShunda Brown at EPA at 214-665-6525. Comments on the draft application should be submitted to the Dallas office within 15 days of the date of this notice. Anyone desiring a hearing must submit a written request, identifying the issue(s) for discussion at the hearing, to the EPA office in Dallas, Texas, before the close of business on the last day of the comment period. EPA will give at least 30 days' notice of the public hearing, if a hearing is held. EPA's comments and public hearing procedures may be found at 40 CFR §124.10 and §124.12 (48 Federal Register 14264, April 1, 1983, as amended at 49 Federal Register 38051, September 26, 1984). Additional procedures pertaining to Osage County may be found at 40 CFR §147.2929 (d), Subpart GGG. EPA will consider all comments submitted either in writing or at a public hearing when making its final permit decision. Any person that files comments on the draft permit, within the comment period, may appeal the final permit decision. Persons who did not comment on the draft permit may appeal only those changes made to the final permit subsequent to draft permit issuance. Appeals to the final permit decision must be submitted in writing to the Administrator within 30 days after a final permit decision has been issued. An appeal must contain the information set out in 40 CFR §124.19 and §147.2929(j)(3). EPA will notify the applicant and each person who has submitted written comments or requested notice of the final permit decision. There will be a final permit decision to issue, deny, modify, revoke or reissue, or terminate the permit. If a request for review of a final permit is granted, EPA will follow procedures found at 40 CFR § 147.2929. LPXLP December 31 2025 LOKL0422107