Enel Chooses Trayport(R)'s Internal Marketplace(SM) to Optimise Trading

LONDON, May 12, 2011 - Trayport, a leading provider of energy trading solutions, today announced
that Enel Trade S.p.A., the trading subsidiary of Italy's largest power
company, has gone live using Trayport's GlobalVision Internal Marketplace.

GlobalVision Internal Marketplace will help Enel optimise their trading
activity by centralising internal order flows for Enel Group's companies
before routing orders to the appropriate desks for execution in the wholesale
markets.

Enel will use Internal Marketplace to trade internally amongst Enel Trade
S.p.A. and Enel Group operative companies including Endesa S.A. - the Spanish
utility purchased by Enel in 2009. Endesa S.A. is also a Trayport client
using its GlobalVision Trading Gateway technology.

"By selecting Trayport's Internal Marketplace, Enel Trade will be able to
reduce operative risks and costs, to maximize netting opportunities and to
simplify traders' execution," said Leonardo Zannella, Head of Trading, Enel
Trade S.p.A. "At the same time, our internal counterparties will be provided
with real time and transparent access to energy markets through a quick and
easy execution platform."

Enel produces, distributes and sells electricity and gas all over Europe,
North America and Latin America. After acquiring Endesa, Enel is now
operating in over 40 countries. Enel is also one of the most active players
on all the European Gas and Power markets and on the main international
energy markets. Enel trades energy products via Trading Gateway.

"Internal Marketplace gives organisations like Enel the ability to
improve internal order flows between trading desks, portfolio managers, sales
and other departments and even subsidiaries" said Richard Everett, Product
Manager, Trayport. "It also allows Enel to concentrate internal liquidity and
optimise trading opportunities before going to the external market."

Internal Marketplace is available to trading entities looking to
consolidate existing order flows at different levels within their
organisation on a single platform, reducing infrastructure and maintenance
costs. It uses straight-through processing of internal deals which reduces
operational risk, allowing for better scheduling and effective auditing.

Marcel Kay - +44(0)207-960-5561 - marcel.kay@trayport.com

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