Dune Oil Completes Contractor Site Visits at Gabar Block and Announces Presentation at EnerCom Denver

Dune Oil Corp. (CSE: DUNE) (OTCQB: TRLEF) (FSE: Z62) ("Dune" or the "Company") is pleased to announce that prospective seismic acquisition contractors completed site visits to its Gabar Block in southeastern Türkiye on July 29 and 30, 2026, in preparation for the Company's planned 2D seismic acquisition program. Contractors and supporting service providers attended alongside the Company's technical and operations teams and its partners. They reviewed field conditions, access routes, logistics and equipment requirements across the survey area. The visits complete the technical basis for the seismic tender. Contractors are now preparing technical and commercial proposals, and the Company expects to award the acquisition contract and announce a mobilization date in due course. The seismic program is expected to improve subsurface imaging across the Block, refine existing exploration targets and support future drilling decisions. Upon completion, the Company expects to announce its next drilling locations.

The Company also announces that it will present at the 31st EnerCom Denver - The Energy Investment Conference, to be held August 17 to 19, 2026, at the Westin Denver Downtown in Denver, Colorado. Dune's presentation is scheduled for Wednesday, August 19, 2026, at 11:00 a.m. Mountain Time, and will be webcast live at enercomdenver.com/webcast. A video replay and the presentation materials will be posted to the conference website following the event. Conference details are available at enercomdenver.com; attendees can schedule 1-on-1 meetings with Dune Oil Corp.

Dune Oil Corp. (formerly Trillion Energy International Inc.) is a Canadian oil exploration company focused on Türkiye. The Company has an agreement to earn up to a 29% working interest in the M47 oil exploration block (C3 and C4 licences) located in the Cudi-Gabar petroleum province of southeastern Türkiye. The earn-in includes funding a total of US$15 million for 2026 and 2027 work commitments. More information may be found on www.sedarplus.ca and on the Company's website at www.duneoil.ca.