baillieus increase valuations

At the beginning of June, after the Gloucester announcement Baillieus increased their valuations to:
Low Value $2.16 per share
Mid Point $3.05
High Value $4.19

Over the last two months, these valuations have been revised a few times and today they have increased again, on the back of the South African announcement yesterday.
Low Value now $3.02
Mid Point $4.12
High Value $5.59

So, in two months we have seen the low value increase 40%, the mid point 35% and the high value 33%