But this is faulty settled, now.
As long as one of the natural resources site is occupied, other same natural resources site have the price premium at once.
For example, a timber resource is occupied by an AI company, let's name it A company, my company or other AI company (B company, C company...) must pay the price premium for obtaining the rest timber sites. Why? My company even doesn't have a timber site. This is really pain in the ass

Hope this can be fixed at next time...