There's no Withdrawal Fee on BTCMEX, but the Bitcoin Network Fee will be charged.
Bitcoin Network Fee is a transaction fee required to be paid for every Bitcoin transaction without exceptions in order to get mined and included in the blockchain. The minimum network fee is one Satoshi 0.00000001 BTC.
The minimum Bitcoin Network Fee on BTCMEX is 0.0004 BTC.
The recommended Bitcoin Network Fee on BTCMEX is 0.001 BTC.
Learn more about Withdrawal on BTCMEX.