Koryx Copper S.A. KRY

Highlights Assay results reported for 18 drill holes at Haib comprising 7,074m of infill and expansion drilling.drilling program now complete ahead of planned publication of updated MRE and PFSBest 8 of 18 drill hole assay intersections as follows: HMRC015: 491m @ 0.22% CuEq (33ppm Mo, 0.016g/t Au) (0 – 491m) incl. 79m @ 0.46% CuEq (412 – 491m) and 352m @ 0.34% CuEq (38 – 390m)HM199: 438m @ 0.40% CuEq (52ppm Mo, 0.026g/t Au) (0 – 438m) incl. 16m @ 0.77% CuEq (4 – 20m) and 224m @ 0.51% CuEq (96 –

The transaction covers the Luanshya West (LEL 23246) and Mpongwe (LEL 23248) projects, which are held by KCZ.

Koryx Copper (KRY.V) is hiking its ownership stake in Koryx Copper Zambia (KCZ) to 80%, from 51%, it

Highlights Maiden 2,500m diamond drill program at Luanshya West scheduled to commence during the week of 21 September, with completion expected by end-of-yearDrilling will test up to four priority targets, targeting vertical depths of 100-250mFurther exploration underway at Mpongwe to refine existing and new targets, with approximately 3,000 soil samples planned to be collected by end of yearAgreement to increase Koryx’ ownership from 51% to 80%, with no remaining contractual expenditure commitm

Highlights Assay results reported for 15 drill holes comprising 6,825m of infill and expansion drilling.Consistent, wide intercepts incl. 318m @ 0.49% CuEq (162 – 480m) and 220m @ 0.40% CuEq (32-252m) with higher grades across multiple holes (incl. 12m @ 2.55% CuEq (from surface), 10m @ 1.78% CuEq and 32m @ 1.06% (from 224m)) - among the best grades drilled at Haib to date.Best 6 of 15 drill hole assay intersections as follows: • HM178: 669m @ 0.33% CuEq (53ppm Mo, 0.027g/t Au) (0 – 669m) incl.3

Highlights Assay results reported for 15 drill holes comprising over 5,351m of infill drilling.Consistent, wide intercepts up to 714m in width with CuEq Grades exceeding average MRE grade. Pockets of higher-grade Au and Mo, and significant localised W (Tungsten) results.Best 8 of 15 drill hole assay intersections as follows: HM138: 584m @ 0.34% CuEq (42ppm Mo, 0.040g/t Au) (0 – 584m) incl. 72m @ 0.48% CuEq (0 – 72m)and 128m @ 0.36% CuEq (136 – 264m)and 170m @ 0.42% CuEq (306 – 476m) incl. 20m @

Highlights First pass regional surface geochemical sampling over Mpongwe Licence identifies additional Cu soil anomalies for follow-up in similar stratigraphic and structural setting to Lwabufubu target.Repeat soil sampling results confirm Lwabufubu target as a priority for further work on the Mpongwe licence. Drill program at Luanshya West planned for late season 2026.Initial consent granted for the transfer of the two earn-in licences to Koryx Zambia. LUXEMBOURG, June 23, 2026 (GLOBE NEWSWIRE)

Highlights Process flow sheet optimization largely complete with potential for significant production and cost improvements, driven by 1) the improved mineral resource estimate 2) an optimized mine plan and 3) various process flow sheet enhancements including applying coarse particle flotation (“CPF”) to reject low-value waste rock. Haib test work confirms that using CPF in the milling circuit is expected to reject up to 25% of run-of-mine (“ROM”) feed as coarse tailings with only limited copper

LUXEMBOURG, May 15, 2026 (GLOBE NEWSWIRE) -- A correction from source is being issued for the press release that was disseminated at 07:00 ET on May 15, 2026 due to an error in the second paragraph of the press release. Koryx Copper S.A. does not anticipate publishing an updated Preliminary Economic Assessment for the Haib Copper Project before the middle of 2026. The updated mineral resource estimate plus an enhanced process flow sheet will be incorporated and published in the form of the plann

Highlights 17 drill holes reported with consistent, wide intercepts up to 599m in width.CuEq Grades exceeding average MRE grade with pockets of higher-grade Au and Mo.Best 8 of 17 drill hole assays as follows: • HM132: 150m @ 0.45% CuEq (157ppm Mo, 0.048g/t Au) (90 – 240m) incl. 28m @ 0.67% CuEq (282ppm Mo, 0.048g/t Au)22m @ 0.56% CuEq (57ppm Mo, 0.041g/t Au) (8 - 30m)18m @ 0.40% CuEq (23ppm Mo, 0.018g/t Au) (466 – 484m)60m @ 0.37% CuEq (62ppm Mo, 0.023g/t Au) (510 – 570m) • HM129: 144m @ 0.36%

LUXEMBOURG, April 30, 2026 (GLOBE NEWSWIRE) -- Koryx Copper S.A. (TSX:KRY.V) (NSX:KYX) (OTCQX: KRYXF) (“Koryx” or the "Company") is pleased to announce that it has qualified to trade on the OTCQX® Best Market. Koryx Copper S.A. upgraded to OTCQX from the OTCQB® Venture Market. Koryx Copper S.A. begins trading today on OTCQX under the symbol “KRYXF.” U.S. investors can find current financial disclosure and Real-Time Level 2 quotes for the company on www.otcmarkets.com. The OTCQX Market is designe

NEW YORK, April 30, 2026 (GLOBE NEWSWIRE) -- OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, today announced Koryx Copper S.A. (TSX-V: KRY; OTCQX: KRYXF), a Luxembourg copper development company, has qualified to trade on the OTCQX® Best Market. Koryx Copper S.A. upgraded to OTCQX from the OTCQB® Venture Market. Koryx Copper S.A. begins trading today on OTCQX under the symbol “KRYXF.” U.S. investors can find current financ

VANCOUVER, British Columbia, April 15, 2026 (GLOBE NEWSWIRE) -- Ongwe Minerals Inc. (“Ongwe” or “the Company”) (TSXV: OGW) (NSX: ONG) is pleased to announce that the Company has completed all the requirements for a dual-listing on the Namibia Securities Exchange (“NSX”) under the symbol “ONG”, with trading to commence on 15 April 2026. There will be no change to Ongwe’s listing on the TSX Venture Exchange which will remain the primary listing for Ongwe’s common shares. Dave Underwood, Ongwe’s CE

Stifel Canada on Thursday reiterated its buy rating on the shares of Koryx Copper (KRY.V) and its C$

2,090,000 MTS OF CONTAINED Cu (Indicated Resource) and 1,385,000 MTS OF CONTAINED Cu (Inferred Resource) 2,338,000 MTS OF CONTAINED CuEq (Indicated Resource)and 1,583,000 MTS OF CONTAINED CuEq (Inferred Resource) Au RESOURCE OF 487,900 OZS (Indicated Resource)and 380,200 OZS (Inferred Resource) Mo RESOURCE OF 103,600,000 LBS (Indicated Resource)and 84,500,000 LBS (Inferred Resource) STRIPPING RATIO REDUCED TO 0.92x FROM 1.74x Highlights The table below summarises the most recent mineral resource