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10 July 2025


Alumex PLC has achieved ASI Performance Standard V3.1 (2023) with Provisional status for the remelting and refining of secondary aluminium and in-house billet manufacturing, and manufacturing of aluminium alloy extrusions with value-added processes, at their facility in Sapugaskanda, Sri Lanka.

Aluminium Stewardship Initiative (ASI) today announced that Alumex PLC has been certified against the ASI Performance Standard V3.1 (2023). The certification applies to Alumex PLC – Sapugaskanda, the Group’s head office and primary production site, which features integrated aluminium manufacturing operations including scrap processing, billet casting, and extrusion. The entity produces mill-finished, anodided, powder-coated, and wood-effect aluminium profiles, as well as value-added components. Alumex PLC has an annual production capacity exceeding 20,000 tonnes across its facilities and supplies products for architectural, hardware, and light engineering applications such as doors, windows, facades, and shop fronts.

The ASI Certification program was developed through an extensive multi-stakeholder consultation process and is the only comprehensive voluntary sustainability standard initiative for the aluminium value chain. The ASI Performance Standard V3 and ASI CoC Standard V2 were launched in May 2022 following a multi-year revision process. The ASI Performance Standard V3 defines 11 principles and 62 criteria under three sustainability pillars – Environment, Social, and Governance – with the aim to address pressing sustainability issues in the aluminium value chain, such as biodiversity, Indigenous Peoples rights, circularity, and greenhouse gas emissions. The 2022 Standards and related documents underwent a minor update in 2023, accounting for editorial changes, correction of minor errors and for general clarification, culminating in the release of Performance Standard V3.1 (2023) and Chain of Custody Standard V2.1 (2023).

The Provisional Certification serves as a strategic and flexible approach for aluminium sector actors to gain access to ASI’s sustainability standards framework, learn, and improve their practices over a defined period. It provides an opportunity for Members to commence their ASI Certification journey, while requiring a commitment to move towards Full Certification as soon as is practically possible.

The independent, third-party audit of Alumex PLC – Sapugaskanda was carried out by DNV Business Assurance Services UK Ltd. A full listing of audit findings is available in the summary audit reports, linked below. 20 minor non-conformances were noted under Criteria 1.3a-e Code of Conduct, 2.4a-e Responsible Sourcing, 2.5a-g Environmental and Social Impact Assessments, 2.6a-h Human Rights Impact Assessment, 3.4a-f Stakeholder Complaints, Grievances and Requests for Information, 4.1a Environmental Life Cycle Assessment, 4.1b-c Environmental Life Cycle Assessment – Disclosure, 5.1a-b Disclosure of GHG Emissions and Energy Use, 5.3b-e GHG Emissions Reduction Plans – Targets, review and disclosure, 5.4 GHG Emissions Management, 6.1a-f Emissions to Air, 6.2a-g Discharges to Water, 6.3a-g Assessment and Management of Spills and Leakages, 7.1a-b Water Assessment and Disclosure, 9.1a-d Human Rights Due Diligence, 9.8b Conflict-Affected and High-Risk Areas – Identify and assess risks, 9.8c Conflict-Affected and High-Risk Areas – Strategy to respond to risks, 9.8e Conflict-Affected and High-Risk Areas – Report annually, 10.3a-c Forced Labour and 11.1b-e Occupational Health and Safety (OH&S) Management System – Reviews and disclosure. One major non-conformance was identified under Criterion 5.3a GHG Emissions Reduction Plans, resulting in a Certification with Provisional status of one year. Alumex PLC – Sapugaskanda will be implementing corrective actions, to be verified in a follow-up audit. DNV Business Assurance Services UK Ltd. approved the corrective action plans for the Major non-conformances prior to submission of the audit report to ASI.

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