Apex Critical Metals Drills 4.48% REO Over 8.0 m and 5.27% REO Over 10.2 m Within Multiple ~ 150 m Intervals of > 2.00 % REO at the Rift Rare Earth Project in SE Nebraska

About this update from Apex Critical Metals Corp

Highlights: RIFT26-012 extends Trinity Zone mineralization 100 m to the west (from previously reported RIFT26-002) with 2.42% REO (1) over 151.4 m, including: 4.48 % REO over 8.0 m, or 3.40% REO over 26.0 m, or 3.03% REO over 61.4 m RIFT26-012 represents the strongest width x grade intercept south of the discovery area. RIFT26-014 confirms further continuity of the Trinity Zone to the south across 185 m of western down-dip projection with 148.5 m at 2.09% REO, including10.2 m at 5.27% REO, or 21.7 m at 4.00% REO (see Figure 3). RIFT26-014 is located between and along the same drillhole fence as previously reported RIFT26-003 (80.0 m at 2.29% REO) and RIFT26-005A (137.2 m at 2.01% REO (see news releases dated April 28, 2026 & May 15, 2026, respectively) and confirms continuity of the upper high-grade REO horizon ("Trinity Zone") Western step-out drillholes continue to intersect hematite alteration and rock characteristics similar to mineralized holes reported to date. A total of 32 drillholes have been completed to date with assays still pending for 18 completed holes. Trinity Zone is now defined over an approximate 400 m N-S strike length and 200 m down-dip with strongly mineralized intervals ranging from 80 to 150 m, which continue to demonstrate strong continuity of high-grade REO mineralization The Trinity Zone remains open in all directions. Sean Charland, CEO of Apex Critical Metals, commented: "The results from these step-out drillholes, including our best grade x width results south of the discovery area, continues to demonstrate the extension and expansion potential of the upper high-grade REO horizon (Trinity Zone). The growing mineralized footprint and consistency observed from assay results to-date increases confidence in the shallow west-dipping Trinity Zone and ability to deliver a strong inaugural mineral resource estimate in Q1/2027. With a significant number of assays still pending and drilling ongoing, the Company is well positioned to build upon the early successes from our 2026 drill campaign." VANCOUVER, BC / ACCESS Newswire / August 12, 2026 / Apex Critical Metals Corp. ("Apex" or the "Company") (CSE:APXC)(OTCQX:APXCF)(FWB:KL9)(Euronext Access Paris:MLAPX), a mineral exploration company focused on advancing its strategic 100%-controlled Rift Rare Earth Project within the Elk Creek Carbonatite Complex in southeastern Nebraska, U.S....

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