payments to third parties

i am trying - since weeks - to get a sufficient answer from tgs to the following questions. up to now - now reply.
can anyone support this item.
""""Note 4: Payments of $9.3 million are in terms of existing agreements to pay for additional reserves at the Kipoi Copper Project (YTD: $30.8 million"""

The Questions are:

- Are these payments according to the additional resources in 2013 or 2014
- What are the content of the existing agreements
- What payments Tgs expect in the years to come
- Do TGS see an end for these payments or intend TGS to finalize this case in the way of paying i. e. a lumbsum