why not c-cex?
BTA is on the voting list for C-CEX -
https://c-cex.com/?id=vote BATA (BTA) 1KnTRhZAwrfKrgJYx2wqWwfkeWT3eQ7Vdk 0.000 BTC FREE VOTES 26 TOTAL VOTES 26
It's been on the list for sometime now.
I have not paid to any exchange for BTA be added to any exchange, nor has any community member to my knowledge.
I am happy at present with the amount of exchanges BTA has, but it you feel the need for more, I have listed the exchanges that I have contacted, so feel free to give a shout out for BTA.
Uberpay exchange in wallet is coming also.