Ann: Hydrocarbon gas recovered & evaluation program forward plan, page-313

I reckon its an ego thing. He knew he had negative news regarding sidetrack and another month pursuing further samples and didn't want his big day to be diluted by a share market reading the negatives.

He wants a Big Bang rerate. He wants his D announcement to detail oil, gas and condnsate in very target from the top or Upper Angwa to the bottom of Lower Angwa and he was prepared to sacrifice today's discovery for a bigger discovery delayed.

May have broken ASX protocol to not announce it, but he knows the big day is going to be worth the wait when it comes.
President may have said to him, "I want a vial of black, not a puffed up plastic bag"