Unibail-Rodamco-Westfield (URW) and Arkema announced that they have entered into a nine-year lease agreement for approximately 25,000 sqm of URW's Lightwell regeneration project, representing 80% of the building's leasable space and opening near the end of 2024. The new headquarters will bring together nearly 1,200 employees in a completely remodeled, sustainable building and will have Arkema moving from Colombes to Paris La Défense, capitalizing on the districts attractivity and convenience for employees. Lightwell represents an exemplary environmental project.

A regeneration of an existing building, the project preserves two-thirds of the existing structure and incorporates features such as the current buildings stone exterior cladding reused as flooring in the new building, the use of eco-friendly and recycled construction materials, and an externally insulated façade. More than 85% of the physical waste created will be reused or recycled. Designed by the Barthélémy Griño architectural firm, the project reinvents the modern office environment, creating warm and inspiring spaces designed to be a catalyst for collaboration and socializing, with design features such as a beautiful sun-filled atrium extending the entire height of the building with a monumental staircase and 1,000 sqm of outdoor spaces and terraces.