According to yobit info:

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)

2-3 working days, CARL!!!
What's the problem?