MEDIA RELEASE

5 March 2020
SIG Combibloc Group ("SIG")

Sale of shares by Onex

SIG today announced that Onex Corporation ("Onex") (TSX: ONEX) and its affiliates (the "Onex Group") have sold 37.5 million shares (representing approximately 11.7% of SIG's share capital) to a number of institutional investors, following an accelerated bookbuilding process. After settlement of the transaction, which is expected to close on 9 March 2020, subject to customary closing conditions, the Onex Group participation in SIG will be 20.1% and the free float in SIG shares will increase to 79.0%.

Investor contact:

Jennifer Gough
Director Investor Relations
SIG Combibloc Group AG
Neuhausen am Rheinfall, Switzerland

Media contact:

Lemongrass Communications
Andreas Hildenbrand

About SIG
SIG is a leading systems and solutions provider for aseptic carton packaging. We work in partnership with our customers to bring food and beverage products to consumers around the world in a safe, sustainable and affordable way. Our unique technology and outstanding innovation capacity enable us to provide our customers with end-to-end solutions for differentiated products, smarter factories and connected packs, all to address the ever-changing needs of consumers.

Founded 1853, SIG is headquartered in Neuhausen, Switzerland. The skills and experience of our approximately 5,500 employees worldwide enable us to respond quickly and effectively to the needs of our customers in over 60 countries. In 2019, SIG produced 38 billion carton packs and generated €1.8 billion in revenue. For more information, visit .