Tranche Update on Hexcel Corporation's Equity Buyback Plan announced on February 9, 2017.

Hexcel Corporation is engaged in providing advanced lightweight composites technology. The Company's product range includes carbon fiber, specialty reinforcements, prepregs and other fiber-reinforced matrix materials, honeycomb, resins, engineered core and composite structures for use in commercial aerospace, space and defense, and industrial applications. The Company operates through two segments: Composite Materials and Engineered Products. The Composite Materials segment comprises its carbon fiber, specialty reinforcements, resin systems, prepregs and other fiber-reinforced matrix materials, and honeycomb core product lines and pultruded profiles. The Engineered Products segment consists of lightweight high strength composite structures, radio frequency/electromagnetic interference (RF/EMI) and microwave absorbing materials, engineered core and specialty machined honeycomb products with added functionality and thermoplastic additive manufacturing.