To be on Yobit you just need to pay money, as far as I know
Yobit says:
To add a new coin to Yobit please you need to fill out the form below.
Payment method: YobiCode
Listing type:
Free - 0.00 btc - no guarantee
Premium - 0.1 btc - 4-7 business days (no guarantee in case of compilation issues)
Exclusive - 0.5 btc - 2-3 business days (no guarantee in case of compilation issues)
That's good way to be on this exchange, but it's early now think about adding on some exchanges, before the project release