Marimaca Copper Corp. announced its regional exploration strategy for 2024. Following a comprehensive review and reinterpretation of historical geological information, the Company's regional priority for 2024 will be further exploration at the Sierra de Medina property block ("SdM"), located approximately 25km from the Marimaca Oxide Deposit ("MOD").

The Chilean Coastal Cordillera can be divided into two domains ? East and West ? on either side of the major regional Atacama Fault Zone.

The Western Domain, host to the MOD, is dominated by Mesozoic intrusive-hosted IOA and IOCG-style deposits and volcanic hosted manto-type deposits, typically of smaller scale relative to deposits in the Eastern Domain. The Eastern Domain, host to Mantos Blancos and Cachorro, is emerging as a prospective new belt for large-scale (>2Mt contained Cu), manto-type copper deposits hosted in middle pyroclastic sequences (Mantos Blancos), and more recently in the deeper mixed volcanic and metasedimentary units such as the deposit delineated at Cachorro. The SdM property block (14,505ha), located in the Eastern Domain, is approximately 25km north-east of Marimaca and 8km to the south-east of Cachorro.

Historical exploration work at SdM focused on the shallow upper volcanic units (andesitic flows), which is in-line with the exploration model at the time of drilling. Deeper, regionally extensive volcanic and sedimentary units, now know to be productive for mineralization, remain untested at the Pias target given historical drilling focused on <100m drilling depth. Pias has been designated as a priority for future exploration work given the presence of a large-scale surface geochemical anomaly confirmed by Marimaca?s sampling and mineralized shallow historical drill intercepts in the upper volcanic flows.

Marimaca interprets the Pias copper mineralization as upper-level evidence of a mineralized system extending at depth with the potential to become more favorable in the rock & structural extensions at depth. Mineralized outcropping sediments in the northern Antena target, provides strong evidence for continuity of mineralization across the property package and into the sedimentary units, such as those found at Cachorro. Mineralization encountered at Pias and Antena in historical drilling, surface sampling and in surface outcrop includes copper oxides dominated by atacamite and chrysocolla, with underlying chalcocite-dominated sulphides.

Historical drilling on the property was completed by Anglo American (Mantos Blancos) in the early 1990s and further reconnaissance exploration was completed by Milpo in the late 2000s. A summary of historical data available is presented below. Marimaca is currently considering alternatives to fund an initial exploration campaign at the SdM property block which would involve geophysical surveying and further surface geochemistry to delineate priority areas for follow-up exploration drilling.

The Company will update the market in due course as discussions progress.