AMSTERDAM--(BUSINESS WIRE)--Intercontinental Exchange (NYSE: ICE), the leading global network of exchanges and clearing houses, today announced that ICE Endex has agreed with GasTerra, the international natural gas trading firm, to open the registration for the auctions for the facilitation of natural gas storage services in the Netherlands for the contract year 2016-2017. ICE Endex has successfully operated auctions for virtual gas storage services since 2011, with auctions taking place twice