Ann: May 18 Sydney RIU Conference Presentation, page-26

I thought you had me on ignore? Sorry, but your statement of "200K at an ASIC of $900" is totally false. Happy to correct you.
Here is what the presentation says:

"Group production outlook for FY19 of 100-125koz Au (gold equivalent production of 185-210koz Au)".

What they are saying here is that 100-125Koz Au is the forecast physical gold production from the two mines for 2019.
"Gold equivalent production" is the number you get if you count the income from the base metals as if it were gold.
But to get an AISC of $900, you have already counted the base metal income into the AISC.
Sorry, but you can't count the base metals income twice, as you just did.
The correct statement would be that the 2019 forecast is for "100-125 koz of gold at an AISC of $900".
Ask the Company for clarification if you need to.
Then come back here and tell everyone what they said.