COPENHAGEN, July 9 (Reuters) - Finnish steelmaker Outokumpu said on Tuesday it had appointed Kati ter Horst as new CEO and that she will take on the position Oct. 9 at the latest.

It said in a statement ter Horst will join Outokumpu from Belgian water management company Aliaxis where she has been head of the EMEA division since 2022.

Outokumpu's previous CEO, Heikki Malinen, resigned in May to become head of Finnish refiner Neste.

(Reporting by Louise Breusch Rasmussen, editing by Anna Ringstrom)