Aya Gold & Silver Announces Significant Increase in Boumadine Mineral Resource

On Feb 24, 2025

MONTREAL, Feb. 24, 2025 (GLOBE NEWSWIRE) — Aya Gold & Silver Inc. (TSX: AYA; OTCQX: AYASF) (“Aya” or the “Corporation”) is pleased to announce an updated Mineral Resource Estimate (“MRE”) prepared in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”) at its Boumadine Project in the Kingdom of Morocco. The updated MRE contains an Inferred Mineral Resource of 29.2 million tonnes (“Mt”) at 82 grams per tonne (“g/t”) silver (“Ag”), 2.63 g/t gold (“Au”), 2.11% zinc (“Zn”) and 0.82% lead (“Pb”) containing an estimated 76.8 million ounces (“Moz”) of Ag, 2.4Moz of Au, 615 thousand tonnes (“kt”) of Zn and 237 kt of Pb and an Indicated Mineral Resource of 5.2Mt at 91 g/t Ag, 2.78 g/t Au, 2.8% Zn and 0.85% Pb containing an estimated 15.1 Moz of Ag, 449 kilo ounces (“koz”) of Au, 145 kt of Zn and 44 kt of Pb.

“We are pleased to announce an updated Mineral Resource Estimate for Boumadine, marking a 120% increase in indicated resources and 19% in inferred resources since our April 2024 update,” said Benoit La Salle, President & CEO. “In under three years, we have grown silver and gold ounces across all classifications, demonstrating the team’s ability to identify and grow Boumadine into a world class asset.

“Drilling has primarily focused on the mining permit, which represents only a small portion of the broader mineralized footprint. Over the past two years, we have expanded our footprint by nearly 850% and continue to consolidate the area while aggressively testing extensions of known mineralized trends. Additionally, ongoing metallurgical studies are yielding promising results as we advance the project toward large-scale development.”

The MRE is effective as of February 24, 2025, and includes drilling conducted from 2018 through December 1, 2024. The database comprises 428 surface diamond drill holes (“DDH”), totaling 142,268 meters (“m”). For this updated MRE, 93 new DDH, totaling 44,514m, were incorporated.

Historical mining was not depleted from the MRE as the exact position and physical extent could not be accurately measured. From the historical production reports, approximately 261kt of mineralized material were extracted and processed (less than 1% of the current MRE), therefore it is considered not material. Historical tailings were excluded from the MRE since the bulk density, volumes and grades were not properly evaluated. Molybdenum was excluded from both the cut-off and AgEq/AuEq calculations since the process recoveries were not evaluated.

Table 1 –Boumadine MRE, as of February 24, 2025 ^(1-12)

	Cutoff	Tonnes	Average Grade							Contained Metal
	Cutoff	Tonnes	Ag	Au	Cu	Pb	Zn	AgEq	AuEq	Ag	Au	Cu	Pb	Zn	AgEq	AuEq
	NSR US$/t	(kt)	(g/t)	(g/t)	(%)	(%)	(%)	(g/t)	(g/t)	(koz)	(koz)	(kt)	(kt)	(kt)	(koz)	(koz)
Pit-constrained Indicated	95	3,920	94	2.99	0.13	0.84	2.95	476	5.30	11,881	343	5	33	116	60,051	667
Pit-constrained Inferred	95	14,258	90	2.89	0.10	0.81	2.38	450	5.00	41,135	1,102	14	115	339	206,293	2,293
Out-of-pit Indicated	125	1,249	80	2.11	0.08	0.87	2.32	358	3.98	3,216	106	1	11	29	14,382	160
Out-of-pit Inferred	125	14,938	74	2.39	0.07	0.82	1.85	357	3.97	35,669	1,294	10	122	276	171,393	1,905
Total Indicated	95/ 125	5,169	91	2.78	0.12	0.85	2.80	448	4.98	15,097	449	6	44	145	74,433	827
Total Inferred	95/ 125	29,196	82	2.63	0.08	0.82	2.11	402	4.47	76,804	2,396	25	237	615	377,686	4,198

Mineral Resources are not Mineral Reserves and do not have demonstrated economic viability. The estimate of Mineral Resources may be materially affected by environmental, permitting, legal, title, taxation, socio-political, marketing, or other relevant issues. There is no certainty that Mineral Resources will be converted to Mineral Reserves.
The Inferred Mineral Resource in this estimate has a lower level of confidence than that applied to an Indicated Mineral Resource and must not be converted to a Mineral Reserve. It is reasonably expected that the majority of the Inferred Mineral Resource could be upgraded to an Indicated Mineral Resource with continued exploration.
The Mineral Resources in this news release were estimated in accordance with the Canadian Institute of Mining, Metallurgy and Petroleum (the “CIM”) Standards on Mineral Resources and Mineral Reserves Definitions (2014) and Best Practices Guidelines (2019) prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council, as may be amended from time to time.
A silver price of US$24/oz with a process recovery of 89%, a gold…

Aya Gold & Silver Announces Significant Increase in Boumadine Mineral Resource

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