Not sure what is the strangest - the form on the ASX or the TSX.
But I believe you were were right the 1st time with the exchange rates BB. The subscritpion receipts were issued at CAD2.00 which at the time equated to AUD 2.15.
So CAD2.35/0.892907 = AUD2.63
or CAD2.35 * 1.11993 = AUD2.63