I would also argue you should use owl:sameAs (the two individuals represent the same real-world entity) instead of skos:exactMatch. But some argue against this because if you load AAC and ULAN into a repo that implements owl:sameAs smushing, that would intermix the two sets of statements. So you could leave it as is.
@caknoblock @mit2nil @workergnome Currently it is (eg IMA, Nathaniel Currier) :