"In my experience, the party who is chasing pays for the...

"In my experience, the party who is chasing pays for the lawyers. In other words, if BSG's lawyers are drafting the extension, it's likely that BSG were the ones who were more keen to extend and therefore got their lawyers to draft up the extension."

Comment:

Exactly, so as Coeur want an extension they pay for the extension agreement that BSG's lawyers draw up for them.