The recognition reinforces the Company's commitment to ESG best practices

São Paulo, December 16, 2025 – Klabin, Brazil’s largest producer and exporter of packaging paper, a leader in corrugated board packaging and a reference in short, long, and fluff market pulp, has once again appeared on CDP’s Triple A list. CDP is a global non-profit organization that operates the world’s only independent environmental disclosure system. The Company received the highest rating in all three evaluated areas: Climate Change, Forests, and Water Security.

In 2025, more than 22,000 companies reported their data to CDP, and only 23 organizations worldwide achieved the highest rating in all three categories. This places Klabin among the global leaders recognized for strong environmental governance, comprehensive disclosure, and substantial advancements in environmental resilience.

"Klabin reaffirms its role as a key player in the global sustainability agenda, further underscoring its corporate transparency and environmental performance. The company remains committed to its purpose of fostering sustainable development,” states Júlio Nogueira, Corporate Sustainability and Environment Manager at Klabin.

CDP operates the world’s largest independent environmental disclosure system and uses a rigorous methodology to evaluate companies on the quality of their reporting, environmental risk management, and demonstrated best practices. The ratings serve as a reference for investors, clients, and stakeholders who aim to support an economy that is net-zero, sustainable, and beneficial to the planet.

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