You might end up losing the $299.00:
2.6 Please note that Yahoo! Express is only open to sites that DO NOT ALREADY EXIST in the Directory. Do not submit your site to Yahoo! Express program if your site already appears in the Directory. IF YOU SUBMIT A SITE THAT ALREADY EXISTS IN THE DIRECTORY THROUGH YAHOO! EXPRESS, YOUR CREDIT CARD WILL BE CHARGED THE THEN-CURRENT, APPLICABLE FEE FOR EXPEDITED REVIEW. Nor should you submit change requests to the Yahoo! Express program. If you need to make a change to your listing in the Directory (this includes changing the URL, title, and/or description of the existing site), you must use the change form NOT Yahoo! Express. IF YOU SUBMIT CHANGE REQUESTS THROUGH YAHOO! EXPRESS YOU WILL BE CHARGED THE THEN-CURRENT, APPLICABLE FEE FOR EXPEDITED REVIEW, AND THE CHANGES YOU SUBMIT WILL NOT BE MADE.
I'd try [add.yahoo.com...]