Mammoth Resources : Notes to Presentation - May 2024

Notes to Presentation Slides:

Mammoth's QP/CP for information presented in this presentation is Richard Simpson, PGeo. Please refer to the "Projects" section of Mammoth's website for the qualifications of Mammoth's QP/CP.

Mammoth's QA/QC procedures are described in the "Projects" section of Mammoth's website. Where noted; Gold Equivalent is where silver is converted to gold at ratio of 75 silver:1 gold

Slide 7: El Sauzal Mine - refer to Sedarplus.ca; Glamis Gold Corp., El Sauzal Project Amended Technical Report, June 2002. The ozs stated in figure represent proven and probable reserves.

La India Mine - refer to Sedarplus.ca; Agnico Eagle Mines Ltd., Technical Report, August 31, 2012. The ozs stated on figure represent Measured and Indicated resources.

Mulatos Mine - refer to Sedarplus.ca; Alamos Gold Inc., Annual Information Form, December 31, 2019. The ozs stated Proven and Probable reserves plus Measured and Indicated resources plus historical mine production to that date.

Slide 8: refer to Masuparia Gold Corp., Soil Survey Report on the Tenoriba Property, September 5, 2008 on Mammoth's website, 'Projects' section, 'Technical Reports'

Slide 9: refer to Sedarplus.ca; Masuparia Gold Corp., Press Release, June 30, 2008.

Slide 13: refer to Mammoth's press release dated September 21, 2017 available on Sedarplus.ca, or Mammoth's website.

Slide 16: refer to Mammoth's press releases dated January 23 through July 19, 2018. Average core recoveries of the intercepts listed are 88%, with recoveries varying from 31% to 100%.

Slide 18: refer to Masuparia Gold Corp., Soil Survey Report on the Tenoriba Property, September 5, 2008 on Mammoth's website, 'Projects' section, 'Technical Reports' and Mammoth's press release dated April 15, 2021.

Slide 23: refer to Mammoth's press releases dated from November 18, 2021 to December 15, 2022. Average core recoveries of the intercepts listed are 85% with recoveries varying from 56% to 100%.

Slide 24: for drill hole TEN21-16, refer to Mammoth's press releases dated July 13, . Core sample interval recoveries vary from 58% to 93%. For drill hole TEN21-18 , refer to Mammoth's press releases dated August 4, . Core sample interval recoveries vary from 58% to 69%.

Slide 33: El Sauzal Mine - refer to Sedarplus.ca; Glamis Gold Corp., El Sauzal Project Amended Technical Report, June 2002 for proven and probable reserves, for the surface outline of reserves refer to Society of Mining, Metallurgy and Exploration Pre-print07-092, SME Annual Meeting, Feb. 25-Feb 2007, author Steven I. Weiss, Goldcorp Inc.

La India Mine - refer to Sedarplus.ca; Agnico Eagle Mines Ltd., Technical Report, August 31, 2012. The ozs stated on figure represent Measured and Indicated resources.

Mulatos Mine - refer to Sedarplus.ca; Alamos Gold Inc. and Minas de Oro Nacional S.A. de C.V. Technical report prepared by M3 engineering Consultants. June 17, 2004.