Tranche Update on Apogee Enterprises, Inc.'s Equity Buyback Plan announced on April 10, 2003.

Apogee Enterprises, Inc. is a provider of architectural products and services for enclosing buildings, and performance glass and acrylic products used in applications for preservation, protection, and enhanced viewing. The Company operates through four segments: Architectural Framing Systems, Architectural Glass, Architectural Services and Large-Scale Optical Technologies (LSO). The Architectural Framing Systems segment designs, engineers, fabricates and finishes aluminum window, curtainwall, storefront and entrance systems for the exterior of buildings. The Architectural Glass segment coats and fabricates glass used in custom window and wall systems on commercial buildings. The Architectural Services segment integrates technical services, project management, and field installation services to design, engineer, fabricate, and install building glass and curtainwall systems. The LSO segment manufactures glazing products for the custom framing, fine art, and engineered optics markets.