Ann: Full Year Statutory Accounts , page-5

I think you are right: Aminex. Seems they are referring to the 11 year licence agreement both signed as the production sharing contract with the government.

So. Surandy70 is probably right. Another asset: Suriname, is probably gone. Possibly it wasn't announced as it 'wasn't material' to the companies future.

When something isnt 'material' to a company, you can either tell the public it has the potential for a couple of trillion cubic feet of gas, but at the same time not tell the public that you have been blocked from exploring it by the government, or you can even get rid of the asset without disclosure.
After all, it is just the plucked pigeon public.