Torben Munch appointed chief executive of the combined organisation.
LSE and Deutsche Boerse merger ‘unlikely’ to go ahead after LSE rejects Commission’s request to sell MTS business.
CBOE plans to expand into ETFs and market data following the tie-up with Bats.
The combined entity will manage more than $300 billion of assets once the deal is complete.
The ICE chief said there was "disappointing" interaction with LSEG management over potential merger talks.