TSX might be good enough if the delisting from the Amex were not staring the potential lender in the face. Being delisted is Not Good for the company. Just like anything in life, it is all about appearance. If a significant amount of time went by, then maybe the delisting will not have a bearing to the lender. Unfortunately, the notes are fast becoming due.
Getting onto Amex is a big deal. Getting the boot is just as much a big deal, but in absolutely the wrong way. Company credit rating may get downgraded because they are no longer a part of the NYSE/Amex "club."
Financing an arbitration, a mining business, an SUV, whatever - The borrower has to look good. Appearance is sometimes considered everything in this game.