May be because of AU address?
I was matched today within 1 hour after my request.

"Congratulations!, you have been awarded 2010/2011 Premier Executive status in the Mileage Plus Program!

This status recognizes your importance to United, and will make your travel with us easier and more rewarding than ever.

Your membership card and benefit guide will arrive in the mail in four to six weeks. In the meantime, details about the Premier Executive program can be found on the United Web site, www.united.com, on the Mileage Plus Program Information page.

Your 2010/2011 Premier Executive status will be effective until January 31, 2012. To maintain the status, you have to earn 50,000 elite qualifying miles or 60 elite qualifying segments on United, United Express or our Star Alliance partners within each calendar year. "