The Pan European Reserves and Resources Reporting Committee

Our Mission

Best practices

We promote the consistency and improvement of best practice in the public reporting of Mineral Exploration Results, Mineral Resources and Mineral Reserves

PERC standard

We maintain, improve and promote the use of the PERC Reporting Standard


We support the minerals industry and assist the European financial sector in protecting investors in the mineral industry


We act as the National Reporting Organisation (NRO) for Europe and, in this role, we represent the interests of our Participating Organisations (POs) on CRIRSCO


The Pan European Reserves and Resources Reporting Committee (PERC) is the organisation responsible for setting standards for public reporting of exploration results, mineral resources, and mineral reserves by companies listed on markets in Europe.

It is a member of CRIRSCO, the Committee For Mineral Reserves International Reporting Standards, and the PERC Reporting Standard is fully aligned with the CRIRSCO Reporting Template.

PERC is established formally as a not-for-profit organisation (‘asbl’) registered in Brussels.

Stay tuned

PERC to host inaugural CRIRSCO webinar

PERC is pleased to announce that we will be playing our part in a new CRIRSCO initiative by hosting the inaugural CRIRSCO webinar next week. The webinar will be presented by EurGeol Dr. Edmund Sides PGeo, currently Deputy Chair of CRIRSCO and Chairperson of PERC.

PERC Chairperson’s mid-term report, February 2024

Edmund Sides, the PERC Chairperson, has issued his mid-term report on PERC’s activities for the period since PERC’s AGM in April 2023 up to the end of 2023.

Reminder: Register for Online Training course – An Introduction to the CRIRSCO Family of Reporting Codes

This course will consist of weekly online sessions of 1-1.5 hours every Thursday afternoon from 1st February to 21st March as detailed

February 1st to March 21st (weekly) PERC-GSL Online Training Course ‘An Introduction to the CRIRSCO Family of Reporting Codes’

PERC is pleased to announce that we are repeating an updated version of their Online Training Course ‘An Introduction to the CRIRSCO Family of Reporting Codes’ in cooperation with the Geological Society of London from 1 February to 21 March 2024. This course was previously held in February- March 2022.

IOM3 representation on PERC & newsletters

PERC and IOM3 are pleased to announce the appointment of Liz de Klerk as a new IOM3 representative on PERC.

CRIRSCO Annual General Meeting

The 2023 CRIRSCO AGM will be held in Rio de Janeiro, Brazil from 16-20 October. PERC will be represented at the AGM by Edmund Sides and Mark Burnett.

Release of PERC Summary Guide

The Pan-European Reserves and Resources Reporting Committee (PERC) is pleased to announce the release of the PERC Summary Guide to Public Reporting by Mineral Companies in Europe.

IOM3 Mining Technology Group Spring 2023 newsletter

The IOM3’s Mining Technology Group have issued their latest newsletter.


The 2023 PERC AGM will be held in the INTRAW office in Brussels on Friday 21st April as a hybrid event with additional activities on the afternoon of Thursday 20th April.

EuroWorkshop: ‘PERC Reporting Standard: Context, Requirements and Application’

Registration is now open for a workshop which is being held in Belgrade on 18-19 May 2023.

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Pan European Reserves & Resources Reporting Committee

EFG Office
c/o Service Géologique de Belgique
13, Rue Jenner B-1000 Bruxelles