The exchanges decide on their own when/if they will add Komodo. We can not influence them. If you would like to see Komodo on a certain exchange -> contact them!
A list of exchanges that have already added Komodo can be found here.
To request addition of KMD to Poloniex:
Coin Name: Komodo
Block Explorer: https://kpx.io
EasyDEX (decentralized exchange, atomic cross chain exchange)