On September 1, 2017, “Primetals Tangshan Technology Services Ltd.”, (PTTS), a joint venture
between Primetals Technologies and HBIS Tangshan Iron and Steel Group (Tangsteel), started its
operation. The joint venture will be headquartered in Tangshan and in a first step operate in several
locations within the Hebei province. PTTS aims to provide comprehensive technology based services in
off line maintenance, equipment refurbishment, condition monitoring, as well as operational support for
the slab casters of Tangsteel and other customers. The company with its 400 employees will use
proprietary Primetals Technologies maintenance technologies and know how, with the purpose of further
improving operational efficiency and product quality.