

Company nominates ESG and northern‑focused mining executive Ryan VanEngen, MSc., to Board of Directors; Jessie Liu‑Ernsting not standing for re‑election as she takes on additional leadership responsibility TORONTO, ON / ACCESS Newswire / July 22, 2026 / Aston Bay Holdings Ltd.

Potential for Storm to be one of Canada's next copper producers continues to strengthen with feasibility study work nearing completion and permitting activities progressing TORONTO, ON / ACCESS Newswire / June 24, 2026 / Aston Bay Holdings Ltd. (TSXV:BAY)(OTCQB:ATBHF) ("Aston Bay" or the "Company") is pleased to provide an update on the Pre-Feasibility Study ("PFS") and other activities at the Storm Copper Project ("Storm" or the "Project") on Somerset Island, Nunavut.

Up to 29.2% Cu with 217 g/t Ag in vein mineralization spatially associated with MobileMT nomalies TORONTO, ON / ACCESS Newswire / January 15, 2026 / Aston Bay Holdings Ltd. (TSXV:BAY)(OTCQB:ATBHF) ("Aston Bay" or the "Company") is pleased to announce results from the 2025 summer field program at its Epworth sediment-hosted copper ("Cu") - silver ("Ag") - zinc ("Zn") - cobalt ("Co") - gold ("Au") project ("Epworth" or the "Project") located 80 kilometres ("km") southeast of Kugluktuk in Nunavut, Canada.

Regional geochemical soil sampling highlights a large and untested copper anomaly parallel to the Storm trend Highlights: New, greater than four-kilometre ("km") long copper anomaly discovered: The regional soil geochemistry program has defined a very strong, high-priority 4.1km by 0.7km copper anomaly, now named the Chevron Prospect. High-priority target: The geological features of the Chevron Prospect are similar to those that host the known copper deposits in the Storm area - including a similar geochemical signature and structural trend - making Chevron a compelling target for a major new copper discovery.

Assays up to 27.3% copper highlight potential for resource expansion Highlights: Cyclone drilling discovers more high-grade copper: Assays confirm that the latest diamond drilling at the Cyclone Deposit has intersected thick, high-grade, near-surface copper intervals outside of the current pit designs, including: Drill hole PFS-002: 12.1metres ("m") @ 5.6% copper ("Cu"), 21 grams/tonne ("g/t") silver ("Ag") from 70m, including, 3.8m @ 8.1% Cu, 31g/t Ag from 72.7m downhole, including, 0.5m @ 27.3% Cu, 80g/t Ag from 76m downhole, and 2.3m @ 4.6% Cu, 21.8g/t Ag from 78.1m downhole Drill hole PFS-001: 18.2m @ 1.1% Cu, 11g/t Ag from 30m downhole, including, 7.1m @ 2.2% Cu,12g/t Ag from 33.4m downhole, and, 7.5m @ 0.5% Cu, 3.8g/t Ag from 81m downhole, outside of the current pit design, including 2.2m @ 1.1% Cu, 7.9g/t Ag from 86.3m downhole Reverse Circulation (RC) drilling results support resource upgrade and expansion: Assays from the resource drilling around and within the Cyclone, Chinook, Thunder, and Cirrus Deposits continue to intersect thick copper intervals with positive implications for resource expansion at Storm. Mine development workstreams continue with permitting andPre-Feasibility Study ("PFS") work underway for a potential mine development at Storm.

Final MMT survey results identify pipeline of high-priority copper exploration targets Highlights: Multiple large copper targets confirmed with geophysics. The final results and 3D inversion for the airborne Mobile MagnetoTellurics ("MMT") survey along the Midway-Storm-Tornado corridor have been received, and highlights include; A large conductive anomaly with a strike of more than 16km located to the north of the Cyclone Deposit and at approximately 200 metres ("m") average depth - this feature is interpreted to be contained within the Allen Bay Formation, previously confirmed by drilling at Storm to be the main host of copper sulphide mineralization in the project area A large, stratiform conductive anomaly also to the north of the Cyclone Deposit at an interpreted 400m average depth is interpreted to represent the deeper copper horizon at Storm, where deep diamond drilling has already discovered copper sulphides across an area spanning 10 sq km Two additional, discordant conductive trends have been confirmed at approximately 400m depth in the Midway and Tornado/Blizzard areas, with the potential to host copper mineralization, supported by mapping and sampling in the area, which has identified outcropping copper sulphides Validation of geophysics results.

TORONTO, ON / ACCESS Newswire / September 5, 2025 / Aston Bay Holdings Ltd. (TSXV:BAY)(OTCQB:ATBHF) ("Aston Bay" or the "Company") advises that it granted stock options exercisable to acquire 2,137,500 common shares in the Company to certain officers, directors, employees and consultants of the Company.

Assays for RC drilling confirm thick, near-surface intervals of high-grade, with deeper diamond drilling continuing to highlight a widespread copper system Highlights: Deep diamond drilling has intersected thick intervals of visual copper sulphides. Nine diamond drill holes (for a total of 2,295 metres ("m")) are now complete, including the deep hole at Cirrus, with further thick intervals of visual copper sulphides intersected, including: ST25-04, drilled below and along strike of the near-surface Cirrus Deposit, has intersected approximately 57m combined total of visual sediment-hosted copper mineralization The drill hole has also provided important stratigraphic information that highlights the large-scale mineralization potential at Storm Assays confirm thick, near-surface copper intersections in Reverse-Circulation ("RC") drilling.
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