Mayo Lake Minerals Inc. reviewed its early summer diamond drill hole (DDH) program at its 45 square kilometre Carlin-Roop Silver Project in the Keno Hill Silver District of the Yukon. A total of 1,070 metres of diamond drilling was completed in eight DDHs. They were targeted on the Carlin West Zone as delineated from prospecting, detailed geochemistry and geophysics following the results from four separate holes drilled in 2020 and 2021.

The DDHs were concentrated along the southwest flank of the recently expanded Carlin West Ag in soil anomalous zone. Splitting, logging, and sampling of all DDHs was subsequently completed with 832 samples forwarded to Bureau Veritas Commodities Canada ('BVC') in Vancouver for assaying. BVC indicates that they are working through their backlog of samples and should begin supplying results in mid-November.

Keno Hill Quartzite (KHQ), quartzitic metasediments (MSD), graphitic schists (GSH) and greenstone (G) (metamorphosed gabbro and diorite) were the common lithologies drilled. KHQ, in some cases interbedded with MSD and GSH, are dominant in holes MLM22-010-013. Interbedded MSD and GSH are the predominant lithologies in MLM22-005-009.

Greenstone was noted at depth in MLM22- 009, 010 and 013. Extensive silicification was noted in MLM22-005-011. Quartz veining is extensive throughout most of the core and all DDHs contain veins and disseminations of pyrite.

Galena and sphalerite, common indicators of Keno Hill Style Mineralization were encountered in 6 out of 8 holes. Occurrences of galena and sphalerite were generally in narrow stringers or coatings in voids in quartz veins. Holes also contained considerable pyrite mineralization which is less common in the Keno Camp except at the Husky Southwest and Husky Mines.

Husky Southwest was also notable for having only rare galena occurrences and particularly hard to recognize ore zones (Cathro 2006, The History and Geology of the Keno Hill Camp). One hole, MLM22-010, appears to have ended with the last 5cm in a mineralized vein structure containing laminated siderite and sulfosalts. Drill core was transported from drill sites at Carlin West to a secure location in Keno or Whitehorse where a preliminary logs and photo verification of the drill core was completed.

Blanks and standards were inserted at alternating intervals every 25 samples. The samples were then sealed in poly bags and each bag was identified with the insertion of one part of a three-part sample tag. Samples were delivered to the BVC preparatory laboratory in Whitehorse.

Pulps for analysis were prepared and then shipped to the BVC analytical laboratory in Vancouver, B.C. for analysis and assay where 15g of each sample are being analysed by Aqua regia digestion, ICP-MS analysis (BMV AQ201) for 36 elements (Ag, Al, As, Au, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, Hg, K, La, Mg, Mn, Mo, Na, Ni, P, Pb, S, Sb, Sc, Se, Sr, Te, Th, Ti, Tl, U, V, W, Zn) BVM is compliant under ISO/IEC 7025 and ISO 9001. All processes during preparation and analysis of a sample are subject to rigorous QA/QC control. In addition, a number of blanks and commercial standards were inserted at regular intervals.

A review of the results and the quality control revealed no irregularities.