We've already completed a few listing on crypto-monitoring websites:

MNO - https://masternodes.online/currencies/P59/
CoinCOdex - https://coincodex.com/crypto/prometheus59/
CoinPaprika - https://coinpaprika.com/coin/p59-prometheus-59/

More services will be added in coming days/months. In Q3, the plans is to complete CMC listing and other most valuable ones.

As for exchanges, medium and larger exchanges would be the best option, as they have audience, while minor exchanges won't give any significant exposure. That's why more exchanges are planned for Q3, not Q2. On top of that, listings are paid, while this also can be spent on completing other marketing goals.