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Mondelēz International has announced a PLN 620 million (approx. $169 million) investment in its long-standing biscuit manufacturing site in Płońsk, marking one of the company’s largest capital projects in Poland in recent years.

The upgrade will expand production capacity by 30%, add 180 new jobs, and solidify the Płońsk facility’s role as a central hub in the snack giant’s European supply network.

The Płońsk plant, operational since 1976 and home to the iconic Delicje Szampańskie, currently produces a wide range of baked snacks, including Milka cookies and Lubisie (Barni). It employs around 700 workers and is already considered one of Mondelez’s strategic biscuit factories in Europe.

As part of the new investment, Mondelēz will add a new production line for Lubisie/Barni and a second line for Milka biscuits. The project also includes the construction of a raw-materials warehouse and upgrades to site infrastructure aimed at improving operational efficiency and employee working conditions. Completion is scheduled for 2026.

“This investment reflects our ambition to strengthen our leadership in the snack market and reinforces Poland’s strategic role within the Mondelēz supply chain,” said Adam Kamiński, director of biscuit plants in Poland. “We believe the expansion will support long-term growth for both our company and the Płońsk community.”

Mondelēz operates seven manufacturing sites in Poland, along with a major R&D Centre in Bielany Wrocławskie, which houses its own pilot production line.

The Płońsk project forms part of a broader long-term investment strategy aimed at accelerating growth and boosting the company’s production footprint in Central and Eastern Europe.

Once completed, Płońsk will become Mondelēz's largest facility in Poland and one of its most significant production centres in the CEE region.

A significant component of the modernisation involves introducing environmentally responsible solutions. The company plans to automate production lines and replace plastic trays with paper-based alternatives for selected biscuit varieties, including Milka, Pieguski and Granola.

The Płońsk facility also focuses on reducing CO₂ emissions, improving water and energy efficiency, and cutting waste. A share of its raw materials comes from Polish farmers participating in the Harmony programme, which promotes sustainable wheat cultivation.