A study collecting public opinion on what language was "preferred" discovered that 86 percent of the population express a preference for Maltese, 12 percent for English
I think we can safely say they aren't counted among the 'native speakers of English in Europe'. Also there is a point of law in EU policy which doesn't count a language twice. When the UK was still a member English was counted once as that of the UK and other places like Ireland, which also have it, just falling under that.