Document VJD3kxqOOoB58rwmBgzrLNwDq

March 18, 2026 TRANSMITTED VIA EMAIL Shilpi P. Desai Environmental Specialist - Offshore Murphy Exploration & Production Company - USA 9805 Katy Freeway, Suite G-200 Houston, Texas 77024 shilpi_desai@murphyoilcorp.com Re: Close-Out Letter Docket No. CWA-06-2026-1708 NPDES Permit GMG29062K Dear Ms. Desai: The Environmental Protection Agency (EPA) has determined that Murphy Exploration & Production Company - USA (GMG29062K) has complied with the requirements of the above-referenced order. This letter is to inform you that the EPA has closed the Administrative Order. If you have any questions, please contact Ms. Kerri McCabe, of my staff, at mccabe.kerri@epa.gov or 214-6656467. Sincerely, Digitally signed by BRYANT SMALLEY Date: 2026.03.18 09:24:35 -05'00' Bryant Smalley Chief Water Enforcement Branch ec: Judy Triche, Chief, Environmental Monitoring Unit, BSEE judy.triche@bsee.gov