PARIS–(BUSINESS WIRE)–Regulatory News: Gecina (Paris:GFC): Gecina has signed two new major long-term leases in Paris La Défense for Building B and Adamas, both adjacent to T1/Shape, with firm terms of over 11 years (for a total of 29,000 sq.m). These transactions ensure full occupancy for both buildings and confirm this submarket’s solid fundamentals for the best assets. Gecina has signed an 11.5-year firm lease with an international leader in nuclear energy for 100% of Building B (21,000 sq.