Hilcorp Alaska, LLC Cook Inlet Production Facilities ODPCP 26-CP-2008 Renewal

An application package for an Oil Discharge Prevention and Contingency Plan, under Alaska Statute 46.04.030 and in accordance with 18 AAC 75, has been received by the Department of Environmental Conservation (DEC). The details are as follows: Applicant: Hilcorp Alaska, LLC, 3800 Centerpoint Drive, Suite 1400, Anchorage, AK 99503 Proposed Activity: Review of a renewal application package for an Oil Discharge Prevention and Contingency Plan that is required to commit adequate resources to meet all planning requirements for prevention and response for a realistic maximum discharge from Hilcorp's crude oil production operations. The regulated operations include crude oil production wells and associated drilling; crude oil processing; crude oil and fuel storage; and oil pipelines and piping associated with the operations. The facilities covered under the plan include twelve offshore platforms in Cook Inlet that have current oil production or have former oil production wells that have not been plugged or abandoned in accordance with Alaska Oil and Gas Conservation Commission (AOGCC) requirements. The platform names are Anna, Baker, Bruce, Dolly Varden, Granite Point, Grayling, King Salmon, Monopod, Platform A, Platform C, Spurr, and Steelhead. There are two onshore production facilities on the west side of Cook Inlet, Granite Point Tank Farm and Trading Bay Production Facility. The facilities receive crude oil, water and gas produced from the offshore platforms. Additionally, there are two onshore facilities on the east side of Cook Inlet, Beaver Creek and Swanson River Field, both located within the Kenai National Wildlife Refuge. The facilities include crude oil production wells at numerous pads, multiple crude oil processing facilities, and oil pipelines and piping associated with the facilities. Location: Platforms Anna Platform (lat/long: 60o 58’ 37” N; 151o 18’ 48” W) Baker Platform (lat/long: 60o 49’ 45” N; 151o 29’ 01” W) Bruce Platform (lat/long: 60o 59’ 56” N; 151o 17’ 52” W) Dolly Varden Platform (lat/long: 60o 48’ 28” N; 151o 37’ 59” W) Granite Point Platform (lat/long: 60o 57’ 30” N; 151o 19’ 53” W) Grayling Platform (lat/long: 60o 50’ 23” N; 151o 36’ 47” W) King Salmon Platform (lat/long: 60o 51’ 55” N; 151o 36’ 20” W) Monopod Platform (lat/long: 60o 53’ 49” N; 151o 34’ 45” W) Platform A (lat/long: 60o 47’ 45” N; 151o 29’ 44” W) Platform C (lat/long: 60o 45’ 50” N; 151o 30’ 08” W) Spurr Platform (lat/long: 60o 55’ 10” N; 151o 33’ 26” W) Steelhead Platform (lat/long: 60o 49’ 54” N; 151o 36’ 08” W) Onshore Production Facilities Beaver Creek (lat/long: 60o 38’ 49” N; 151o 2’ 17” W) Granite Pont Tank Farm (lat/long: 60o 01’ 07” N; 151o 25’ 19” W) Swanson River Field (lat/long: 60o 43’ 46” N; 151o 51’ 39” W) Trading Bay Production Facility (lat/long: 60o 49’ N; 151o 48’ W) Potential Results: A potential risk exists of oil spills entering the lands or waters of the state as a result of this operation. Activity identified as: State Contingency Plan Number 26-CP-2008 Any person wishing to submit a request for additional information or provide comments regarding this application may do so electronically via our public notice site at https://dec.alaska.gov/comment/. If you are unable to submit comments via this site, you may submit them in writing to Mike Evans, Department of Environmental Conservation, SPAR/PPRP, 555 Cordova Street, Anchorage, AK 99501, 907-269-7541 (phone), or mike.evans@alaska.gov. The submitter’s name and full contents of all submitted comments are considered public records and will be posted online in full during the public comment period. Comments submitted in writing directly to the Plan Reviewer will be uploaded to the public comment site. It is preferable for commenters to submit directly through the public comment site. The public comment period for this application begins on November 2, 2026, and ends at 11:59 p.m. on December 1, 2026. Requests for additional information and comments must be received by 11:59 pm on December 1, 2026. It is the responsibility of the commenter to verify that email submissions are received by the deadline. An additional comment period may be provided in accordance with 18 AAC 75.455(d).The application package is available for public review on DEC’s website at http://dec.alaska.gov/Applications/SPAR/PublicMVC/IPP/CPlansUnderReview. DEC will hold a public hearing on the plan application if it determines that good cause exists. Residents in the affected area or the governing body of an affected municipality may request a public hearing by writing to the Department of Environmental Conservation, at the above address prior to November 16, 2026. The State of Alaska, Department of Environmental Conservation complies with Title II of the Americans with Disabilities Act of 1990. If you are a person with a disability who may need an accommodation in order to participate in this public process, please contact ADA Coordinator Kristin Mabry, kristin.mabry@alaska.gov, 1-907-334-0884; Alaska Relay Service/TTY/TDD 1-800- 770-8973; or 711 prior to November 27, 2026, to ensure that any necessary accommodations can be provided.