Orosur Mining Inc Announces Anzá Restarts With Strong Set of Drilling Results

About this update from Orosur Mining Inc.

LONDON, UK / ACCESS Newswire / January 8, 2026 / Orosur Mining Inc. ("Orosur" or the "Company") (TSXV:OMI)(AIM:OMI), is pleased to announce an update on the progress of exploration activities at the Company's exploration project at Anzá in Colombia ("Anzá). Anzá - Colombia The Anzá Project in Colombia comprises a number of granted exploration titles and applications totalling roughly 327km2 within the Mid-Cauca gold belt, west of the city of Medellin. These titles and applications are owned by two Colombian companies, Minera Anzá, and Minera Monte Aguila, both of which are wholly owned subsidiaries of the Company. The latter of these was acquired by Orosur in November 2024 from the Company's previous JV partners, Newmont Mining and Agnico Eagle Mines. Orosur thus owns 100% of the Anzá Project. Since acquiring 100% control, the Company has focussed its attention on three prospects: Figure 1. Anzá Project Pepas Drilling As announced on 14th July 2025, the Company had taken the formal decision to commence infill drilling at its Pepas gold prospect at Anzá, with the objective of moving Pepas to a NI43-101 compliant Mineral Resource Estimate ("MRE") as quickly as possible. This infill drill program was completed late in December 2025, with results from the final three holes PEP072, PEP073 and PEP074 just received. As expected, gold assay results from these three holes were exceptional, demonstrating the core of Pepas to contain very thick, high-grade zones of gold mineralisation. Table 1. Latest drill Intercepts, Pepas Prospect Figure 2. Plan of holes Figure 3. Section, PEP072 Figure 3. Section, PEP073, PEP074 With the receipt of these results, the gold assay database has been closed off and handed to our resource consultants so that work on the MRE modelling process can commence. Feasibility The Company has begun the process of assessing the economic exploitation options for Pepas in the context of the Colombian permitting regime. Discussions are currently underway with local technical consultants to map out the permitting framework, necessary environmental and social studies, and development of the required technical work plan (Programa de Trabajo y Obras - PTO), that could commence once an MRE is finalised. Wider Exploration Following the Christmas break and retirement of the old drill rig for much needed repairs, ...

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