According to the BBI letter sent to SPARC holders on 10 March,...

According to the BBI letter sent to SPARC holders on 10 March, the company expects to announce to the market on 27 March what level of conversion requests they have received on the SPARCS.

I expect it will be less than 10% because 70% of the large holders seem to be committed to agreeing to the new terms that were proposed, but we will find out in the morning I suspect.