Excellon Produces First Concentrate at Mallay

Original announcement by tmx on

Company
Excellon Resources Inc.
Ticker
EXN
Exchange
TSX
Region
central Peru
Primary commodity
Silver
Secondary commodities
Lead, Zinc
Document categories
Production, Metallurgy
Extracted
2026-08-23 10:25:50 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Excellon Resources has achieved its first concentrate production at the Mallay Silver-Lead-Zinc Mine in Peru during its pre-commissioning phase. The company has processed approximately 12,000 tonnes of material, producing concentrates containing silver, lead, and zinc, while advancing dewatering and rehabilitation of the 400 Ramp.

Reasoning: The achievement of first concentrate production is a major operational milestone for the Mallay restart, though the company explicitly notes the lack of formal economic studies.

Positive factors

  • First concentrate production achieved
  • Consistent mill operation during pre-commissioning
  • Successful dewatering of 400 Ramp
  • Transition to more productive mining methods planned

Negative factors

  • No formal economic studies (PEA/PFS/DFS) completed for restart
  • Production quantities are unaudited and subject to adjustment

Facts used in scoring: 3

Atlas analysis — Excellon Resources Inc.: Excellon Produces First Concentrate at Mallay

Classification and evidence

QA/QC Disclosedpositive · Story-specific tag

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: The release is reviewed and approved by a Qualified Person (Paul Keller, P.Eng.)

Evidence · text

“Qualified Person Paul Keller, P.Eng., Excellon's Chief Operating Officer and a "Qualified Person" as defined by National Instrument 43-101”

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: The concentrator is described as a conventional flotation plant.

Evidence · text

“The Mallay concentrator is a conventional flotation plant”

Extracted facts

Stored fact records: 0. Some facts used in scoring do not have a stored record.

No stored fact records are available for this extraction.

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.