Sierra Madre Reports 22.9 Metres Grading 1.85 G/T AuEq and 24.2 Metres @1.63 G/T AuEq; Including 4.7 Metres Grading 5.64 G/T AuEq at La Tigra Project, Nayarit, Mexico

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[{"type":"text","content":"Sierra Madre Reports 22.9 Metres Grading 1.85 G/T AuEq and 24.2 Metres @1.63 G/T AuEq; Including 4.7 Metres Grading 5.64 G/T AuEq at La Tigra Project, Nayarit, MexicoVANCOUVER, BC / ACCESSWIRE / March 29, 2022 / Sierra Madre Gold and Silver Ltd. (TSXV:SM)(OTCQB:SMDRF) (\"Sierra Madre\" or the \"Company\") is pleased to announce additional results in its ongoing trenching program at the La Tigra project, located in northern Nayarit, Mexico. Highlights include 4.7 meters grading 5.64 g/t AuEq in LTZ010 and 4.73 g/t AuEq over 4.1 meters in LTZ011. The results for trenches 9, 10 and 11 are tabulated below.La Tigra Trench IntervalsAreaTrenchFromToWidthAu g/tAg g/tAuEq g/tEl VerdeLTZ0906.16.10.9811.00El CaminoLTZ10024.224.21.5931.63Includes1519.74.75.5845.64El TigreLTZ11022.922.91.7861.85Includes5.212.37.12.2072.30and14.320.96.63.4243.48or15.319.44.14.6934.73Notes:Intervals reported are Trench lengths with true width estimated to be 90% or greaterLength-weighted averages from uncut assays*Gold silver ratio used to calculate AgEq is 75 g/t Ag to 1 g/t AuGreg Liller, Chief Operating Officer states, \"The trenches continue to deliver strong gold results in the main structures and the broad zones of more moderate gold grades are very encouraging for the development of a larger project.\"In addition, LTZ02 was extended to the east as previous sampling began in gold mineralization. Additional moderate gold grades are present in the trench extension resulting in a combined length of 37.7 meters grading 0.37 gold, 3 g/t silver for a AuEq grade of 0.38 g/t.The following map shows the location of the trenches.Sierra Madre Gold and Silver Best PracticeSierra Madre is committed to best practice standards for all exploration and sampling activities. The Company's exploration programs have been conducted following CIM Exploration Best Practice Guidelines which are incorporated by reference in NI 43-101. Analytical quality assurance and quality control procedures include the systematic insertion of blanks, standards and duplicates into the sample strings. Samples are placed in sealed bags and shipped directly to Bureau Veritas Lab located in Durango, Mexico or ALS Chemex in Guadalajara, Mexico for 30 gram gold fire assay, Aqua Regia digestion for silver and multi-element analyses by four acid digestion.Qualified PersonMr. Gregory Smith, P. Geo, Dire...

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