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  • CESAR Copper Silver

    Project Highlights

    • Historic Drilling – 200-km District Scale
    • Highlight values of 34% copper and 205 g/t silver
    • Two new high-grade copper discoveries in 2021
    • Colombia Expert and in-country teams
    • Sustainable community relationships
    • Colombia the country ranked as #1 in South America for investment attractiveness by the Fraser Institute in 2020

    Third-Party Validation

    • TSX Venture 50™ for 2021, Max ranked top 10 in the mining sector
    • Collaboration agreement with Global copper producer Global
    • Vetted by Kupferschiefer Experts (AGH)
    • Working in collaboration with the National Colombian school of mines

    Project Overview

    CESAR lies along the copper-silver rich 200-kilometre-long Cesar Basin in northeastern Colombia. This region enjoys major infrastructure resulting from oil & gas and mining operations, including Cerrejon, the largest coal mine in Latin America, now held by global miner Glencore.

    Geology

    Max interprets the sediment-hosted stratabound copper-silver mineralization in the Cesar basin to be analogous to both the Central African Copper Belt (CACB) to the south and the Polish Kupferschiefer to the north.  Almost 50% of the copper known to exist in sediment-hosted deposits is contained in the CACB, including Ivanhoe Mines Ltd (TSX: IVN) 95-billion-pound Kamoa-Kakula copper deposits in the Congo.

    Kupferschiefer, the world’s largest silver producer and Europe’s largest copper source, is a mining orebody ranging from 0.5 to 5.5m thick at depths of 500m, grading 1.49% copper and 48.6 g/t silver. The silver yield is almost twice the production of the world’s second largest silver mine.

    Due to the district-scale and copper-silver prospectivity of the Cesar Basin, Max has implemented a multi-faceted exploration program for 2021:

    Advanced Drill Core Analysis and Modelling: ongoing interpretation of seismic sections and analysis of historical drill holes are all being integrated into our structural modelling of the Cesar Basin, in collaboration with Ingeniería Geológica Universidad Nacional de Colombia (“IGUN”) in Medellín (January 7, 2021 NR).

    Geochemical and Mineralogical: research programs by the University of Science and Technology (“AGH”) of Krakow, Poland. AGH bring their extensive knowledge of KGHM’s world renowned Kupferschiefer sediment-hosted copper-silver deposits in Poland to the CESAR project.

    Geophysical: Fathom Geophysics is interpreting seismic data, funded by the Company in collaboration with one of the world's leading copper producers.

    Proprietary Field Exploration & Techniques: Max’s in-country exploration teams continue to target new copper-silver stratabound mineralized zones.

    In 2020, Max discovered both the copper-silver rich AMS (previously named AM South) zone and the AMN (previously named AM North) zone 40-km north, collectively spanning over 45-km². Highlight values of 0.5 to 34.4% copper and 5 to 305 g/t silver range over outcrop intervals ranging 0.1 to 25.0m.

    CONEJO Discovery

    In March 2021, Max’s announced the CONEJO discovery, now spanning 3.2-km by 1.6-km and open in all directions. CONEJO returned values greater than 5.0% copper from 23 rock panels varying from 5.0m by 5.0m to 1.0m by 1.0m. In addition, 66 rock panel samples returned values over 1.0% copper (March 24, 2021 NR):

    • 12.5% copper + 84 g/t silver over 5.0m by 5.0m
    • 10.5% copper + 50 g/t silver over 3.0m by 2.0 m
    • 10.4% copper + 95 g/t silver over 5.0m by 5.0m 
    • 10.2% copper + 62 g/t silver over 5.0m by 5.0m 
    • 10.0% copper + 80 g/t silver over 5.0m by 5.0m 
    • 8.7% copper + 89 g/t silver over 5.0m by 5.0m 
    • 8.4% copper + 60 g/t silver over 5.0m by 5.0m
    • 7.9% copper + 21 g/t silver over 5.0m by 5.0m 
    • 7.7% copper + 84 g/t silver over 5.0m by 5.0m
    • 7.4% copper + 47 g/t silver over 5.0m by 5.0m

    URU Discovery

    The 2021 URU discovery is located 30-km south of CONEJO, now expanded to 48-km² and open in all directions. URU appears to have major-scale potential; Thirteen rock samples over widths ranging from 10 to 25.0m returned values of 2.0% copper and above, thirty-seven returned values greater than 1.0% copper, with highlight values of 5.7 % copper and 37 g/t silver:

    • 14.8% copper and 132 g/t silver outcrop over 1.5m x 0.8m
    • 6.5% copper and 6 g/t silver outcrop over widths of 1.0m
    • 4.3% copper and 8 g/t silver outcrop over widths of 10.0m
    • 3.9% copper and 7 g/t silver outcrop over widths of 10.0m
    • 3.6% copper and 12 g/t silver outcrop over widths of 10.0m
    • 3.0% copper and 6 g/t silver outcrop over widths of 10.0m

    “The URU 48-km² zone remains open in all directions and potentially represents a zone of major proportions when compared to the world class Kupferschiefer and the Central African Belt deposits,” commented Max CEO, Brett Matich.

    "In addition, MAX is conducting on-going exploration at the other four zones (CONEJO, SP, AMN, AMS, refer to Figure 3) within the CESAR North 80-kilometre-long-copper-silver belt of significant regional potential," he continued.

    By late April 2021, at CESAR North 80-km belt MAX had identified five copper discoveries URU, CONEJO, SP, AMN and AMS

    The new SP discovery target September 2021 spans over 1.6-kilometres and is open in all directions. The reconnaissance composite grab sampling over a 25.0m outcrop averaging 4.8% copper and 51 g/t silver is considered very significant, as it indicates the presence of a higher copper and silver grades within the 25.0m interval

    Exploration continues on the CONEJO and URU zones

    In addition, Max has initiated the process of mineral claim approvals and drill permitting.

    CESAR West: Max has identified copper porphyry-style mineralization.

    "The world’s transition to clean energy can only be accomplished with copper to build power grids, solar and wind farms, electric vehicles which typically require upwards of 180 pound of copper per vehicle. Copper's rapidly declining reserve base necessitates the need for new major discoveries of copper, positioning Max to take advantage of the copper shortfalls with the potential district size of the CESAR discoveries," he concluded.

    Next Steps for 2021

    CESAR Copper-Silver: Analysis of 1,000’s of metres of historical drill core and structural modelling.

    Expand the URU 48-km² zone, potentially represents a zone of major proportions compared to the world class Kupferschiefer and the Central African Belt: approval of URU claims and drill permits.

    On-going exploration at the other four zones (CONEJO, SP, AMN, AMS) within the CESAR North 80-kilometre-long-copper-silver belt of significant regional potential:  ASSAYS PENDING.