Soon after the middle of the 2nd century BC, the sanctuary was redeveloped, possibly following a partial collapse after an earthquake, in the style of Hellenistic sanctuaries elsewhere in the Mediterranean. The eastern portico was added with a series of shops, indicating that the sanctuary was commercial as well as religious.
Following a possible earthquake-induced partial collapse around the middle of the 2nd century BC, the sanctuary underwent redevelopment in a Hellenistic architectural style.  The addition of an eastern portico featuring shops suggests that the site served both religious and commercial purposes.