Hi Mill99,
You have 100% right to vote if you did not receive any information and that is Progen's or/and Computershare's faults!
You could vote through,
www.investorvote.com.au
then the Control Number is: 183490
Then the web will ask for your SRN/HIN. After you key in your SRN or HIN # and you shall be OK to vote.
You need to do that by 10am Brisbane Time this morning