Asturiana de Zinc WELCOME TO OUR COMPANY Leadership vocation ... in the zinc sector In production We are part of Glencore, a multinational dedicated to the exploitation of natural resources and one of the world's leading zinc production companies. In Profitability Our industrial complex in San Juan de Nieva (Asturias) is currently the largest and one of the most efficient in the zinc sector worldwide. The continuous improvement of processes, with the aim of reducing production costs, is a constant in each of the production centers that make up our company. In Technology We develop and market our technology through AdZ Technology. Many of the processes used in the zinc sector are based on technology developed in this Asturiana de Zinc business unit. In Environmental protection We are committed to protecting the environment and sustainable development and we permanently invest in the development of technologies that allow us to eliminate the environmental impact of production processes. We have developed the necessary technology to limit the generation of waste in the production process as much as possible. In Protection of our people Our commitment is to operate a safe and healthy workplace, based on mutual respect, fairness and integrity. Our most important goal is to work without fatalities or injuries, and we believe that all work-related illnesses and injuries are preventable. WHERE WE OPERATE Our operations SUSTAINABILITY Sustainability is at the heart of what we do. Read more OUR REPORTS 09/03/2018 Annual Accounts and Management Report 2017 09/11/2017 Annual Accounts and Management Report 2016 12/31/2015 Annual Accounts and Management Report 2015 12/31/2014 Annual Accounts and Management Report 2014 See all SITE MAP TERMS OF USE PRIVACY POLICY COOKIES ACCESSIBILITY OUR VALUES GLENCORE.COM © Glencore 2017-2018

Asturiana de Zinc ZL ALLOYS Our products Start Our products Products ZL alloys Management Policy Spanish English Management system certification Products Zinc Z1 (SHG 99.995% Zn) ZL alloys Galvanization Alloys Sulfuric acid Zinc sulfate Liquid Sulfur Dioxide Zinc oxide Commercial terms All about zinc Main Applications of Zinc Zinc, an essential element for sustainable development SUBMISSION FORMS ALLOY INGOT ZL 0.2 MB SAFETY DATA SHEET SDS Foundry Alloys (ES) 0.1 MB MSDS Zinc Alloys for Casting (EN) 0.2 MB DATA SHEET Foundry alloys (ES) 0.9 MB PRODUCT SPECIFICATION For more information contact the Commercial Department. SITE MAP TERMS OF USE PRIVACY POLICY COOKIES ACCESSIBILITY OUR VALUES GLENCORE.COM © Glencore 2017-2018