Mr. Ed Kruchkowski reports

DECADE HITS PORPHYRY IN EVERY HOLE THAT REACHED BEDROCK AT BONAPARTE, INCLUDING TWO HOLES 1.2 KM APART; SYSTEM APPEARS MORE THAN 2 KM WIDE

Drilling at Decade Resources Ltd.'s Bonaparte property is finding porphyry wherever it reaches bedrock. Five holes totalling 2,000 metres have been completed to date, and every hole that reached bedrock has intersected porphyry dikes within highly altered rock, including two holes collared 1.2 kilometres apart. The sixth hole, DDH-BN-6, is drilling now in strongly potassic rock that contains chalcopyrite and hydrothermal breccia, features typical of the center of a porphyry system. These observations are visual and assay results are pending.

Highlights

• Porphyry dikes within highly altered rock, including phyllic, propylitic and potassic alteration, have been intersected in every hole that reached bedrock, including DDH-BN-2 and DDH-BN-5, which were collared 1.2 km apart.
• DDH-BN-6 is drilling strongly potassic altered rock that contains chalcopyrite and hydrothermal breccia, a combination typical of the centre of a porphyry system.
• Surface mapping and drilling point to a large porphyry system along the Cooler Creek valley that appears to be more than two km wide.
• The main induced polarization (IP) anomaly measures three by four km and sits in the southwestern portion of the claims, with a faulted extension beneath the Discovery area. Much of it remains to be drilled.
• The Discovery area appears to be related to a second porphyry event.
• Drilling continues, and the 2026 field season produced over 1,300 soil samples.

Porphyry deposits are the world's principal source of copper, and Bonaparte sits in porphyry country. The property is located approximately 50 km north of Kamloops, B.C., within the Kamloops mining division, and consists of six mineral claims totalling 5,549 hectares. The region hosts some of British Columbia's major porphyry copper mines, including Highland Valley and New Afton. Mineralization at those mines is not necessarily indicative of mineralization at Bonaparte.

Ed Kruchkowski, president of Decade Resources, stated: "Every hole that has reached bedrock has hit porphyry, including two holes 1.2 km apart, and DDH-BN-6 is now in strongly potassic rock with chalcopyrite and hydrothermal breccia. That is the pattern we hoped to see, and we would expect these features near the center of a porphyry system. The program has been successful in encountering mineralized porphyry as well as outlining the areas for future exploration. We are pleased and excited to have such a large target area for potential copper-molybdenum-gold mineralization, and we have a lot of ground left to test along a three by four km anomaly. Drilling will continue as weather conditions have been very mild, allowing for continued exploration, and we look forward to reporting results as they come in."

Drilling

The company is testing porphyry-related copper and gold mineralization that appears to be spatially associated with strong chargeability highs coincident with strong resistivity highs. The main anomaly is three by four km, located in the southwestern portion of the claims, with a faulted extension beneath the Discovery area, which was mined in previous periods. The anomalies were outlined in a historic National Instrument 43-101 technical report prepared for previous operators. A qualified person has not verified the historic geophysical results and the company is not treating them as current. DDH-BN-1 indicated a mineralized porphyry with chalcopyrite and molybdenite associated with this IP anomaly.

The holes completed to date have tested different portions of the anomaly.

• DDH-BN-1, drilled at 230 degrees azimuth, was lost in a fault beneath the Discovery area after indicating mineralized porphyry.
• DDH-BN-2, drilled at 135 degrees azimuth, encountered the mineralized porphyry at depth, 400 m east of DDH-BN-1.
• DDH-BN-3 was lost in overburden before reaching bedrock and will be redrilled at this location.
• DDH-BN-4 used the same setup as DDH-BN-1 at a steeper dip and the same azimuth, to get below the fault, and intersected porphyry dikes within altered rock.
• DDH-BN-5 was drilled at 175 degrees azimuth, 1.2 km south of DDH-BN-2, to test the south end of the IP anomaly and also intersected porphyry dikes.
• DDH-BN-6 uses the same setup as DDH-BN-5 at an azimuth of 050 degrees and is in progress.

Three signatures of a porphyry centre in one hole

Porphyry copper systems form around bodies of cooled magma. Hot fluids released from that magma alter the surrounding rock in a recognizable pattern, with potassic alteration nearest the centre, phyllic alteration around it and propylitic alteration at the outer margin. The company's drilling has encountered all three.

DDH-BN-6 now shows three features geologists look for when drilling toward the centre of a porphyry system.

• DDH-BN-6 is drilling strongly potassic altered rock. Copper and gold mineralization is commonly concentrated in and around the potassic zone.
• The rock contains chalcopyrite, a copper-iron mineral and the main source of copper in many porphyry deposits.
• DDH-BN-1 also indicated chalcopyrite, along with molybdenite, the main molybdenum mineral DDH-BN-6 also contains hydrothermal breccia, which is rock broken apart by hot mineralizing fluids and cemented by minerals deposited from them.

The company believes DDH-BN-6 is drilling near that centre. Assay results are needed to determine the copper, molybdenum and gold content of these rocks.

A large system

Surface mapping and drill information point the same way. Based on work to date, the data point to a large porphyry system along the Cooler Creek valley, and the system appears to be more than two km wide based on the highly silicified and altered rocks encountered to date. DDH-BN-2 and DDH-BN-5, collared 1.2 km apart, both intersected porphyry dikes. The main IP anomaly measures three by four km, and much of it remains to be drilled.

If assay results support what the core is showing, a system of this size would offer a very large target area for copper, molybdenum and gold.

The Discovery area appears to be related to a second porphyry event, whereby the quartz veins are in the wall areas of north-south-trending quartz diorite porphyry.

The possibility that Bonaparte is "another 195 Ma Au-Cu porphyry deposit in southern British Columbia" was raised in a 2013 British Columbia Geological Survey paper (Logan and Mihalynuk, 2013).

What comes next

Drilling continues at DDH-BN-6, and DDH-BN-3 will be redrilled at its original location. Weather conditions have been very mild, which is allowing exploration to continue. Shareholders can expect news from Bonaparte as DDH-BN-6 is completed, DDH-BN-3 is redrilled and assay results are received.

Surface program update

The company has also completed a surface exploration program of sampling along the east side of the claims, approximately five km from the drill area, taking the work well beyond the drilled ground. In total, the 2026 field season resulted in the collection of over 1,300 soil samples. Assay results from the surface sampling programs will be released once received, compiled and reviewed.

Important cautionary notes

Visual observations of mineralization and alteration in drill core and outcrop are preliminary in nature, are not a substitute for laboratory analysis, and should not be relied upon as a measure of grade. The presence of chalcopyrite and molybdenite does not indicate that economic grades of copper or molybdenum are present. Assay results from the drill program are pending, and will be released once received, compiled and reviewed by the company's qualified person. Statements regarding the apparent size of the porphyry system are interpretations based on visual observations, surface mapping and historic geophysics. The presence, extent, and grade of any mineralization can only be established by assay results and further drilling. References to nearby mines and deposits provide geological context only and are not necessarily indicative of the mineralization at Bonaparte. Exploration at Bonaparte is at an early stage, and no mineral resource has been defined on the property.

Qualified person

Ed Kruchkowski, PGeo, president of Decade Resources, is a qualified person as defined by National Instrument 43-101 and has reviewed and approved the technical contents of this news release.

About Decade Resources Ltd.

Decade Resources is a Canadian based mineral exploration company actively seeking opportunities in the resource sector. Decade holds numerous properties at various stages of development and exploration, from grassroots to advanced. Its properties and projects are mostly located in the Golden Triangle area of Northern British Columbia.

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