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Stora Enso acquires minority stake in Matrix Pack to develop formed fiber packaging; partnership aims to scale sustainable packaging solutions globally

Jun 12, 2025 Press Release 2 min read

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June 12, 2025 (press release) –

Strategic partnership merges renewable material leadership with global-scale manufacturing to deliver sustainable packaging solutions.
Stora Enso and Matrix Pack have entered a strategic partnership agreement with the joint ambition to drive the development of sustainable formed fiber packaging. Building on an already successful collaboration, this next step unites Stora Enso’s innovation leadership in renewable materials with Matrix Pack’s industrial know-how and global market presence to create the next generation of sustainable packaging. Matrix Pack, a market leader serving global brands with fiber-based products, strengthens the partnership with proven experience and commercial scale.

At the heart of the collaboration is the ambition to scale formed fiber technologies and solutions designed to replace less environmental packaging materials, such as plastics. The partnership will also unlock joint opportunities in fiber sourcing and supply chain integration, drawing on the strengths of both companies across the value chain.

This partnership is a natural step forward in our Formed Fiber journey,” says Juuso Konttinen, SVP & Head of Biomaterials Growth at Stora Enso. “ We see formed fiber as a high potential packaging segment, and partnering with Matrix Pack gives us the best opportunity to join the growth path.

As part of the agreement, Stora Enso has acquired a minority stake in Matrix Pack and will take a seat on the company’s board, marking the shared commitment to accelerate the global shift towards circular, bio-based packaging.

We are proud to welcome Stora Enso as a strategic partner and shareholder,” says Lyberis Polychronopoulos, President of BoD at Matrix Pack. “ Their leadership in sustainable materials aligns perfectly with our mission. Starting today, we are significantly expanding the existing capacity, which enables us to deliver the next generation fiber-based packaging to customers worldwide.

About Matrix Pack:
Matrix Pack is one of the leading global packaging solution providers in wet and dry wood fiber molding, providing innovative 3D fiber solutions to its emblematic customers. Matrix Pack has 8 manufacturing facilities in 5 countries including USA, United Kingdom, Greece, Bulgaria and Thailand.

For further information, please contact:
Karin Rosell
Head of Marketing & Communications, BU Growth, Stora Enso
karin.rosell@storaenso.com
+46 70-226 86 22

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