Mondi Group has acquired 100% of the outstanding share capital of Excelsior Technologies, from funds managed by Endless LLP and certain other minority shareholders, for a total consideration of nearly $41.25 million (£33 million), on a debt and cash-free basis.   Excelsior is a vertically integrated producer of flexible packaging solutions, mainly for food applications, with a proprietary packaging technology for microwave steam cooking. With two plants, located in Deeside (Northern Wales, UK)...