Critical One Energy Discovers Gold with More High-Grade Antimony at Howells Lake Project
Newsfile Corp
Published: Aug 20, 2026, 11:20 AM
Sentiment Analysis
Critical One Energy Inc. (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF) (" Critical One " or the " Company ") is pleased to announce that new assay results have identified additional near-surface antimony ("Sb") mineralization, confirming the Northeast extension of a high-grade antimony zone, and discovered gold ("Au") mineralization at its flagship Howells Lake Antimony-Gold Project ("Howells Lake Project"), located in the Thunder Bay Mining Division and approximately 120 kilometres west of the Ring of Fire access corridor in northwestern Ontario, Canada.
Hole HWL-2026-016 returned more high-grade antimony, extending the footprint approximately 70 metres northeast of HWL-2026-006 and HWL-2026-007 (per news releases issued on May 15, 2026 and July 7, 2026 ) and add substantially greater mineralized core length at direct ship antimony grades. Together with additional near-surface antimony and the new gold discovery, the results improve on the historical geological picture and add important modern data toward the Company's objective of defining a current mineral resource.
Highlights High-grade antimony: Drillhole HWL-2026-016 returned 31.5 metres ("m") grading 4.9% antimony ("Sb"), including 4.0 m at 21.2% Sb , and a separate interval of 13.9 m grading 6.6% Sb, including 1.0 m at 36.9% Sb . Near-surface antimony: HWL-2026-003 returned 6.0 m grading 2.9% Sb, including 1.5 m at 6.5% Sb , from 62 m downhole. HWL-2026-005 returned 1.7 m grading 7.0% Sb from approximately 72 m downhole, while HWL-2026-004 intersected multiple additional near-surface antimony intervals. Proximal gold mineralization : HWL-2026-016 returned 17.0 m grading 1.3 g/t gold ("Au"), including 3.0 m at 2.0 g/t Au , below the principal antimony intervals, with additional gold occurring in partial overlap with the lower portion of the 31.5 m Sb interval. More than 200 m to the west, HWL-2026-011 returned 12.0 m grading 1.3 g/t Au, including 1.0 m at 9.1 g/t Au , with additional gold intersected in Holes 8 and 12.
"The grade profile and continuity of high-grade, near-surface antimony continue to validate management's confidence in the Howells Lake Project and further support our potential direct-shipping scenario. The bonus is that this new high-grade gold discovery adds another potential source of financial value to the deposit," said Duane Parnham, Executive Chairman and CEO of Critical One Energy. "This year's drilling has moved us beyond the historical data and closer to defining a current mineral resource that could establish Howells Lake as a meaningful North American source of antimony."
Table 1. Length-Weighted Antimony Assay Results Drill Hole ID From (m) To (m) Core Length (m) Sb (%) Including HWL-2026-003 190° / -50° 42.0 43.7 1.8 2.5 62.0 68.0 6.0 2.9 1.5 m at 6.5% Sb HWL-2026-004 153° / -52° 28.0 32.5 4.5 0.8 40.5 45.0 4.5 1.9 1.0 m at 4.2% Sb 72.0 76.0 4.0 0.6 HWL-2026-005 170° / -50° 71.9 73.6 1.7 7.0 HWL-2026-016 300° / -60...
Source: Newsfile Corp
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