It's going to be listed in TSX. If you are looking for ASX...

It's going to be listed in TSX. If you are looking for ASX company doing graphite/lithium things in South Korea, have a look at PSM (Peninsula Mines)

From Hexagon announcement:-
https://hexagonresources.com/wp-content/uploads/2017/12/1751297.pdf
BMR is working toward a TSX listing as a
diversified battery materials company with advanced cobalt, lithium and graphite assets in Canada, the USA and South Korea.