Application 1962857 Marlin Resources Ltd. Public notice of application issued at Calgary, Alberta, on September 23, 2026. Activity McKay Thermal Project D23 Amendment Application                                                                                                      Company Contact For a copy of the application, contact:  Marlin Resources Ltd. Attention: Sachin Bhardwaj 920, 250-5th Street SW Calgary, AB  T2P 0R4 Telephone: (403) 880-0988 E-mail: sbhardwaj@marlinresources.com Supporting Documents View a copy of the application and supporting documents on the Integrated Application Registry (IAR). To receive a copy of the application and supporting documents, please submit an information request as outlined on the Placing a Product Order page. AER Information Distribution Services Suite 1000, 250 - 5 Street SW Calgary, Alberta T2P 0R4  Telephone: 1-855-297-8311 Fax: 403-297-7336 E-mail: informationrequest@aer.ca Filing a Statement of Concern Statements of concern must be filed by October 23, 2026, 11:59 p.m. mountain time or before a decision is made on the application, whichever is sooner. This is an expedited application and a decision on this application may be made immediately or on an expedited basis. A person who believes that they may be directly and adversely affected by this application may file a statement of concern with the Regulator in respect to this application. For more information about how to file a statement of concern, and more information on expedited applications, please see  Filing a Statement of Concern.  Send one copy of your statement of concern to Marlin Resources Ltd. and one copy to the Alberta Energy Regulator. Marlin Resources Ltd. Attention: Sachin Bhardwaj 920, 250-5th Street SW Calgary, AB  T2P 0R4 Telephone: (403) 880-0988 E-mail: sbhardwaj@marlinresources.com Alberta Energy Regulator Suite 1000, 250 - 5 Street SW Calgary, Alberta T2P 0R4  E-mail : SOC@aer.ca Fax: 403-297-7336 Jurisdiction Statements of concern relating exclusively to compensation for land use are not dealt with by the AER. For land use concerns, not related to geothermal development, please contact the Land and Property Rights Tribunal. Under section 21 of the Responsible Energy Development Act, the AER does not have jurisdiction to assess the adequacy of Crown consultation associated with the rights of aboriginal peoples as recognized and affirmed under the Constitution Act, 1982. For information on AER procedures, refer to the AER website at www.aer.ca.