That change cost the exchange operator $355 million in a severance payment to LCH.Clearnet but no termination fees are needed this time. The financial crisis has led regulators to push for greater use of clearing houses, making it an increasingly lucrative business. In following the lead of Deutsche Börse and CME Group, which both clear themselves, Nyse Euronext predicts it will bring in at least $100 million a year in revenues from 2013.