Clearwater Paper Suspended Arkansas Operations Due to Severe Weather Conditions

Q1 2023 highlights *Sales increased by 11% to EUR 2,787 million (2,507 million in Q1 2022) *Comparable EBIT grew by 29% to EUR 356 million, 12.8% of sales (277 million, 11.0%) *Delivery volumes were impacted by destocking in various product value chains *Operating cash flow was EUR 714 million (12 million), supported by cash inflow from energy hedges *Net debt increased to EUR 2,167 million (837 million) and the net debt to EBITDA ratio was 0.82 (0.46) *UPM Paso de los Toros pulp mill in Uruguay started up production on 15 April

Supremex Inc., a leading North American manufacturer and marketer of envelopes and a growing provider of paper-based packaging solutions, announced today the release of its inaugural Environmental, Social and Governance (“ESG”) report. The ESG report, which covers activities for the fiscal year ended December 31, 2023, underlines the Company’s commitment to understand the full scope of its impact on the environment and society before establishing sciencebased targets. “As stewards of the environment, responsible corporate citizens, and advocates for positive change, we recognize the critical role ESG plays in shaping our future,” said Stewart Emerson, President and Chief Executive Officer of Supremex. “A more thorough understanding of our impact in such areas will provide Supremex with the ability to carry out targeted sustainability practices and initiatives that will have a significant positive effect on the environment, our employees and local communities. We are dedicated to being a transparent and accountable organization, and look forward to sharing our progress as we continue along our ESG journey.”

Stora Enso’s lignin, Lineo® by Stora Enso, replaces fossil-based glue in plywood. Polish plywood manufacturer Paged has started collaborating with Stora Enso to meet their customers’ demands for bio-based and more sustainable plywood. This partnership also allows Paged to cut product carbon emissions. Across markets, consumers are increasingly turning towards eco-friendly products and demanding change. At the same time, the business demand for renewable, bio-based and circular solutions is also growing rapidly. We want to do our part and replace fossil-based materials with safer and more natural alternatives. With Lineo®, Paged has the possibility to replace 40% of fossil-based glue with lignin, resulting in a more environmentally friendly end-product. The ultimate goal for Paged is to be able to achieve several thousand tons of reduction in carbon emissions.