Yes, it was for sale, but it could be that EXPU just hired it from the owner let say for 10 years with a option to can buy every time, that should be the licensing deal.
Or they got the license (the only one) to can buy it right now...
That needs to be answered, hired or bought, but at any rate Plesant springs belongs to EXPU
OTC Business Description info says: that should be very clear that our EXPU bottles...and EXPU will have the revenues