Doesn't matter, they have a 54% confirm majority anyhow.
The EGM is to approve the BT deal.
About 1/3 of the way down you will find this:
"The Transaction is subject to the approval of NSB shareholders at an extraordinary general meeting to be held on 5 January 2004. Shareholders owning 54.4 per cent. of NSB's shares have irrevocably undertaken to vote in favour of the Resolution."