Americas Gold & Silver Corp

Sampling, Analysis and Data Verification

Most samples are sent to American Analytical Services (“AAS”) in Osburn, Idaho. AAS assays on a contract basis for Galena and other clients (including mining/exploration companies), and owns the laboratory building and the assaying equipment. AAS is independent of Americas Gold and Silver.

There is no sample preparation (except core splitting) or laboratory facility at the Galena Mine. No officer or director or employee of Americas Gold and Silver is involved in AAS’s operations or in sample preparation or assaying, after the samples arrive at the assay laboratory.

The AAS laboratory is an ISO-17025 accredited Laboratory (similar to ISO-9000, but with an added level of quality management). Standardized written procedures are used by AAS, and commercially-prepared standard pulps are used.

The core samples, rock chip, channel and select samples are placed in bags with identification tags and are tied closed at the sample site. The samples are placed in a designated area in the mine yard until they are transported to the assay lab. The samples and a submittal sheet are transported daily by mine employee to the AAS laboratory. The sample tags in the bags and the submittal sheet indicate a unique number for each sample and the elements that are to be analyzed.

The AAS laboratory has a capacity of about 200 samples per day, but the Galena Complex typically generates fewer than 100 samples per day. Typically, Galena Complex samples are received at the lab late in the day, placed in the oven for overnight drying then assayed beginning early the following morning, so that results are available in the afternoon.

Upon arrival at the lab, samples are compared to the submittal sheet and placed in drying ovens to dry overnight at a temperature of approximately 65 degrees Celsius. Samples are emptied from sample bags into the jaw crusher, then run through a second time resulting in a sample size of approximately 1.2 inches. The sample is then run through a cone crusher reducing the size to about 50% passing a 10 mesh screen. The sample is then split using a Jones riffle splitter until a sample of approximately 200 grams is obtained. The rejected portion of sample is returned to original sample bag. The 200 gram sample is ring pulverized (8 inch bowl) for 45 seconds, the resulting pulp usually passes a 140 mesh screen at about 90%. About 125 grams of pulp is placed in a sample envelope and sent to the fire assay room. The ring pulverizer is cleaned between each sample with silica sand to prevent contamination. Barren rock is run through the crushers once a day and this sample is assayed as a sample blank. A second split is made on one sample for every twenty that are prepared and this is assayed as a prep duplicate.

Galena samples sent to AAS are analyzed primarily by atomic absorption (“AA”) and occasionally by inductively coupled plasma (“ICP”) techniques to determine silver, copper, and lead, using aqua regia for pulp digestion. Occasionally other elements are analyzed including zinc, antimony, and iron values. Those measuring over 40 opt Ag are also fire-assayed for silver, and the fire assays are used in calculations in preference to AA results for the same sample. Higher grade lead samples are re-assayed using titration techniques. Occasionally gold determinations are made using fire assay.

For fire assay at AAS, one-half assay short ton of channel sample or drill core sample is weighed into a 30 gram crucible with approximately 100 grams of standard flux mixture and a litharge cover. Twenty samples are fired at a time, which includes a pulp duplicate and a control sample. Lead buttons are cupelled in either composite or bone ash cupels. Dore beads are weighed and then parted with (1 to 3) nitric acid, decanted, washed with a weak ammonia wash, annealed and weighted.

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After samples have been assayed, they are boxed with proper identification and stored for two months at the laboratory. Pulps from diamond drill core are collected by Galena staff and stored for no less than 2 years at a separate storage area.

Galena has a QA/QC regimen which meets industry standards. Since 2019, approximately 5% of submitted samples have been standards, blanks or duplicates.

The QA/QC program does not include blind submittal of duplicate core or channel samples. This is due to the fact that most drill core samples are submitted as full core (i.e. not split) and the extra time required to collect duplicate channel samples is not considered to be worthwhile for the minor improvement of results.

The security and sample preparation are of acceptable quality for generation of data for use in resource and reserve estimation, subject to the minor qualifications stated in each sub-section above.