NYSE Euronext (NYX) said its transaction with IntercontinentalExchange (ICE) is anticipated to close in the second half of 2013. Says HSR filing made in January in U.S. and registration statement filed with the SEC and hopes to hold shareholder meetings in the early spring. Says working with U.S. and EU regulators to advance filing and approval process. Says cost of transitioning Liffe derivatives to ICE Clear is significantly less than what NYSE expected to spend on its own clearing initiative, because of leveraging ICE's existing infrastructure. Comments from Q4 earnings conference call and associated slides.