Contango Announces S-K 1300 Technical Report Summary with Robust Economics and One Year Payback for its Johnson Tract Project

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FAIRBANKS, AK, May 6, 2025 /PRNewswire/ - Contango ORE, Inc. ("Contango" or the "Company") (NYSE American: CTGO) is pleased to announce that it has completed the Technical Report Summary ("TRS") on the Johnson Tract Project (the "Project" or "Johnson Tract"), located in Alaska, U.S.A. The TRS summarizes the results of an Initial Assessment ("IA") of the potential viability for a seven-year life of mine ("LOM"), underground mining operation, utilizing the same direct ship ore ("DSO") approach as the highly successful Manh Choh mine.

Contango Ore logo (CNW Group/Contango Ore)
Contango Ore logo (CNW Group/Contango Ore)

Rick Van Nieuwenhuyse, the Company's President and Chief Executive Officer said: "We are very pleased to release the results of our Initial Assessment for our Johnson Tract Project. Assuming a price of $2,200 per ounce of gold as the "Base Case", the Project generates a Post-Tax NPV5 of $225 million and IRR of 30% with a one-year payback from commencement of commercial production.  Assuming a price of $3,000 per ounce of gold price demonstrates an NPV5 of approximately $400 million and IRR of 45% with less than a year payback from commencement of production. Initial capital costs are estimated at a modest $214 million with an all-in-sustaining cost ("AISC")1 of $860 per gold equivalent ounce ("GEO") sold at an average GEO ore grade estimated at 7.58 grams per tonne ("g/t"). Based on current resources, it is estimated that Johnson Tract will produce an annual average of 102,258 GEO and that 90,692 GEO will be recovered after processing and refining over the seven-year operating life (following the Initial Capital/Pre-Production phase). Once we get underground, we believe that drilling will define additional resources that will extend the current LOM.

We look forward to investigating potential upsides to improve the economics and extend the mine life, which includes additional underground drilling to expand the resource to extend the known orebody down dip and along strike. Another upside that we plan to evaluate is the use of ore sorting to upgrade run of mine ore grades at site by using sensor-based sorters (for example: Optical, XRT, Laser, X-Ray) to separate waste material from higher grade ore. This would result in two improvements - fewer tonnes to transport and higher head grade feed to the mill, resulting in improved economics.

We are currently focused on permitting the underground tunnel to access the million-ounce resource and conduct a detailed underground in-fill drill program. We will also conduct metallurgical, geotechnical and hydrology studies necessary to complete a feasibility study, which will include a detailed mining and transportation plan, as well as select a specific site for processing the ore along with any modifications necessary.  In addition, we will need to conduct detailed environmental baseline work along the Road and Port Easements that have already been granted to Cook Inlet Regional Inc. ("CIRI") by the Federal government earlier this year. We expect the permitting for the proposed tunnel and adjacent laydown site with the State of Alaska will take one year.