Webster Bank and Signers National Expand Presence at 360 Lexington Avenue Webster Bank has renewed and enlarged its office lease at 360 Lexington Avenue, expanding its footprint to 46,018 square feet. Insurance firm Signers National is relocating its headquarters to the same building, taking 15,000 square feet. These moves highlight growing demand for prime Midtown office space and signal a rebound in NYC’s commercial market.12