Ann: Norwest Directors Unanimously Recommend MinRes' Revised Offe, page-333

I would imagine that if MIN only managed to reach 75% shareholding in NWE at the close of T/O, that they would meet all the criteria required to delist NWE.
If they only reach 75% shareholding in NWE at the close of bid, that means there are monority holdings representing 25% of shares on issue - thats a meaningful number.

Above states there needs to be at least 150 shareholders each holding a minimum parcel of $500 worth of shares.
So $500 is about 7,150 shares - that's all.
At last A/R there were 6,700 shareholders.
There were 3,777 shareholders with 100,000 shares or less.

So it is a good bet that there would be way more shareholders than 150 if MIN only reached a 75% shareholding.

If you don't want to sell, then just hang in there.

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(However, from experience, IF (big "IF") MIN declare that they have got 90%, and will Compulsorily Acquire the outstanding 10% of shares. then do not wait to be compulsorily acquired - just accept the bid. The reason is, if you accept into the t/o, you get paid quickly. However, if you wait for MIN to compulsorily take your shares, then you end up waitng ages to get paid. I think they have to go thru the whole Comp Acq process, before they pay you out).