You just have to parse the ‘language’ used.
It says they can offer the services LESS EXPENSIVELY. Meaning, it will cost THEM LESS to provide the service. It doesn’t mean they will charge clients less. What would the point be ? The whole point of the merger is to be able to make MORE PROFIT, not LESS. They will be keeping their FEE the same, but since it will cost less after the merger, they make more profit.
Yes, I think that pretty much sums it up.