MacDonald Mines Exploration Ltd. (TSX-V: BMK, OTC: MCDMF) ('MacDonald Mines' or the 'Company') is pleased to announce its upcoming plans to drill along the prospective McLaren Lake Fault Zone ('MLFZ') at the Alwyn Copper-Gold ('Cu-Au') trend ('Alwyn'), as well as the Glade Gold ('Au') trend ('Glade') located on MacDonald Mines 100% owned' SPJ Project near Sudbury, Ontario.

The company also reports new results received from its collaboration with ALS GoldSpot Discoveries Ltd. ('ALS GoldSpot') that have been integrated in the planning of the drilling program. Drilling is planned to begin as soon as load restrictions on the Kukagami road are lifted. This is anticipated to be at the end of May or early June 2023. Along the McLaren Lake Fault System, the Company is planning up to 1,200 m of drilling to target copper-gold mineralization primarily in the Alwyn Cu-Au trend and potentially at the Ashigami occurrence.

In the Glade Au trend, the company is planning up to 350 m of drilling.

Drilling in Alwyn Cu-Au trend aims to: o Expand the footprints laterally and at depth of the vein networks mineralized in copper and gold identified during the 2022 drilling program and indicated by historical drilling (AFRI 41I10NE0158), o Test the association between gravity highs and hydrothermal iron enrichments that could be suggestive of the presence of iron-rich copper-gold mineralization affiliated with iron oxide copper-gold ('IOCG') mineralization.

Drilling will integrate new data that support the extension of copper-gold mineralization outside of the area tested in 2022 that include:

The results from the 2023 gravity survey and 10 new targets generated by ALS GoldSpot in the Alwyn Cu-Au trend, An updated geological and structural model for copper-gold mineralization at Alwyn, built using recent and digitized historical data and the Company's collaboration with ALS GoldSpot.

About MacDonald Mines Exploration Ltd.

MacDonald Mines is a Canadian exploration company focused on exploring for critical and precious metals in a Metasomatic Iron alkali-calcic (MIAC) mineral system on its 100%-owned, 19,720 ha (197.2 km2) SPJ Project. MIAC systems are known for hosting IOCG and affiliated deposits. The property is located 20km southeast of the prolific Sudbury Mining Camp in Northern Ontario. The Company's primary exploration focus are the polymetallic and iron-poor to possibly iron-rich Ag-Au-Cu-Co showings and prospects along the McLaren Lake Fault System that includes the Alwyn Cu-Au-(AgCo) trend and the Ashigami Co-Cu-Au showings, and the iron-rich to iron-poor Glade Au trend recognized to host Au mineralization comparable to the Scadding deposit. In addition, a potential for nickel, cobalt, copper, and platinum group elements in the Nipissing intrusions that are hosting the Candore, Jerome and Glade showings within the SPJ Project

Contact:

Tel: +1 604 307 4776

Email: mike@engcom.ca

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