Production / Operations
Cerro de Pasco Resources Announces Clarifications to its NI 43-101 Compliance Disclosure
Cerro de Pasco Aligns Disclosure Ahead of June Drill Start on Peru Tailings

Executive Summary
- Date: April 13, 2026
- Headline: Cerro de Pasco Resources Announces Clarifications to its NI 43-101 Compliance Disclosure
- Core Message: The company has updated corporate presentations and website materials to ensure full compliance with NI 43-101 standards regarding technical disclosure.
- Operational Update: Confirms full access across the Quiulacocha tailings footprint is secured, enabling surface, operational, and drilling activities.
- Timeline: Initial drilling is scheduled to begin in June 2026 to generate a NI 43-101-compliant mineral resource estimate.
- Context: This follows the March 26, 2026 announcement of a strategic collaboration with AMSAC (Peruvian state-owned entity) for remediation and access.
- Compliance: Mr. Alfonso Palacio Castilla (Qualified Person) reviewed and approved technical information to remove projected operational/financial parameters that could be interpreted as economic connotations under NI 43-101 rules.
Material Impact
- Expectation vs. Reality: The news is largely expected following the March 26, 2026 AMSAC access agreement which outlined drilling for mid-2026. This release confirms the timeline and addresses regulatory compliance risks rather than introducing new resource data or funding.
- Risk Mitigation: By clarifying NI 43-101 compliance, the company reduces the risk of regulatory pushback on future disclosures, which is a positive operational hygiene step but does not materially alter the project valuation immediately.
- Progression: This represents an incremental step in the development pathway (Access -> Compliance/Drilling Start -> Resource Estimate). It validates that the March milestone is moving into execution without regulatory friction.
- Market Reaction Potential: Likely neutral to mildly positive as it removes uncertainty regarding disclosure standards, but does not trigger a re-rating like the DFC funding or AMSAC access deal did previously.
CDPR · Price
Company Overview
- Company: Cerro de Pasco Resources Inc. (TSX-V: CDPR, OTCQB: GPPRF). Focuses on the development of mining assets in Peru.
- Flagship Project: Quiulacocha Tailings Reprocessing Project. Targets recovery of silver, base metals (zinc, lead, copper), and critical minerals (gallium, indium) from historic tailings.
- Project Status: Development stage. Phase 1 technical work completed; Phase 2 drilling scheduled for June 2026.
- Royalties: Properties are subject to a 2.0% Net Smelter Return (NSR) on production, which may be purchased by the Company.
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Jun 09, 2026 · 09:44