Amrize partners with Greentown Labs to Advance Building Innovation

• Amrize joins leading startup incubator Greentown Labs as Terrawatt Partner
• Leading US platform to engage with startups on smarter, more efficient ways to build from foundation to rooftop
• Expands Amrize's open innovation ecosystem to advance the built environment

CHICAGO, October 1, 2025 - Amrize (NYSE: AMRZ) is joining Greentown Labs as a Terrawatt Partner, to accelerate the development of innovative building technologies. As a partner of this incubator, Amrize is expanding its open innovation ecosystem focused on advancing the built environment across infrastructure, commercial and residential construction.

Amrize will join Greentown's leading community of startups at its incubators in Boston and Houston to identify, pilot, invest and scale up the most promising building technologies, while leading mentoring and innovation exchanges.

"North American builders are demanding smarter, more efficient and more resilient construction. We look forward to partnering with Greentown Labs and its member startups to co-create new solutions to address these needs, from handling the most extreme weather conditions to increasing speed of construction," said Roald Brouwer, Amrize's Chief Technology Officer.

"This partnership between Amrize and Greentown's community of entrepreneurs aims to accelerate innovation across the building industry," said Aisling Carlson, Greentown's Chief Growth Officer. "Many of our startups are developing innovations that revolutionize how buildings are planned, built, retrofitted, and managed, and Amrize will play a key role in rapidly bringing these technologies to market."

This partnership adds to Amrize's open-innovation ecosystem across North America to offer its customers the most advanced building solutions from foundation to rooftop. Fostering innovation across the built environment, Amrize partners with leading academic institutions such as MIT and invests in disruptive startups from Sublime Systems-a Greentown startup-in Boston to Travertine in Colorado.