Olivier Pirotte

Groupe Bruxelles Lambert SA (Investment Company) (GBL-IC) is the investment management division of Groupe Bruxelles Lambert SA (EBR: GBLB), an investment holding company headquartered in Brussels, Belgiuim. The firm was founded in 1902 and is a subsidiary of Parjointco NV in The Netherlands. GBL-IC aims to maintain and promote the growth of a portfolio of investments focused primarily on a small number of companies.

Part of Groupe Bruxelles Lambert SA, Serena SARL provides investment services. The private company is based in Strassen, Luxembourg.

Part of Groupe Bruxelles Lambert SA, LTI Two SA is an investment holding Belgian company. The private company is based in Brussels, Belgium.

The Quartz Corp. SAS engineers rocks for a better world by providing ultra-pure raw materials to support the creation of renewable energy and innovative technologies. The private company is based in Paris, France. The Norwegian production site is located in the heart of fjord country in the village of Drag, known for its dramatic landscape where mountains meet sea. The French company mines and processes high purity quartz, which is one of the purest on earth. and has subsidiaries in Norway. The company's high purity quartz sand is essential for the lighting market, and the glass used in halogen lamps must have excellent optical transmission properties. The company is health and safety centric.

Part of Wilh. The private company is based in Par, UK. Werhahn KG, FiberLean Technologies Ltd. is a British company that manufactures and supplies micro-fibrillated cellulose products. Werhahn KG on March 29, 2021. The company was founded in 2016. FiberLean Technologies was acquired by Wilh.