Norsk Hydro (NHY) Investor update summary

Regulatory situation

• Alumina production ordered reduced by 50% by SEMAS and the Court; press filter and DRS2 embargoed by the Court and IBAMA.

• Pará’s Parliamentary Commission of Inquiry began investigating environmental and social conditions in Barcarena, including Alunorte; its first site visit was April 2.

• A federal committee on responses to environmental contamination in Barcarena held its first meeting April 2; IBAMA publicly stated there had been no overflows from bauxite residue deposits.

Technical and environmental measures

• NOK 500 million (~BRL 200 million) project to increase water-treatment capacity by 50% and basin capacity at the treatment plant by 150%.

• Developing a sustainable closure concept for DRS 1, updating emergency procedures and strengthening local and central environmental resources and expertise.

• Third-party studies planned on air, water, springs, soil and forest, plus a toxicological study of health conditions in nearby communities.

• Planned maintenance and equipment upgrades, expanded environmental and health-data monitoring, and more water-sampling wells at and around Alunorte.

Community support

• After February rainfall, water distribution reached around 1,800 families; more than 560,000 L were delivered by truck and 339 water reservoirs donated.

• Mobile medical center, working with Barcarena municipality, recorded more than 2,094 attendees through April 4; Red Cross engaged for medical assistance and health-needs mapping.

• Held six community meetings in the first two weeks after February 17; weekly meetings with local leaders and the civil-defense Risk Committee followed in three communities.

• Peabiru engaged to facilitate community dialogue.