23 hours for trading Sunday 27 March 2011 due to transition to British summer time (BST)

Lysaker, 15 March 2011

At 01.00 a.m. GMT on Sunday 27 March (week 12) clocks are adjusted forward to 02.00 a.m. BST as time changes from standard time (GMT) to British summer time (BST). Sunday will because of this have 23 hours open for trading.

N2EX prompt market

The clock changes will not affect any prompt trading times but a few instruments will have a shorter delivery period than normal:

4H-20110327-B1 (3 hours)
DB-20110327 (23 hours)
DON-20110327 (7 hours)
DOP-20110327 (11 hours)
WEB-2011-12 (47 hours)
WEON-2011-12 (15 hours)
WEOP-2011-12 (23 hours)
WB-2011-12 (167 hours)

N2EX auction market

There will be only 23 hours open for trading for delivery date 27 March. Hour 3 (01.00 a.m. - 02.00 a.m.) will be removed from the ordering schedule. Therefore, hour 2 will be followed by hour 4.

Please note that in SAPRI trade the "single order" window for period 3 is removed. Therefore, period 2 is followed by period 4 so that orders for the auction with delivery on 28 March will contain 23 periods.

For screenshots from SAPRI trade and price publication, please see www.n2ex.com

For further information, please contact N2EX:

Trading operations, phone +44 (0) 207 065 8140, physical.trading@n2ex.com

Press contacts:
Stina Johansen, Communications Manager, Nord Pool Spot AS, phone + 47 9165 0603

Trine Fersnes Riccardi, Director of Communications, Corporate Communications,
NASDAQ OMX Commodities, phone +47 6752 8080/+47 9574 7497

About N2EX
N2EX is the name of the UK power market offering from NASDAQ OMX Commodities and Nord Pool Spot. NASDAQ OMX Stockholm AB is the authorized clearinghouse.

The web site, www.n2ex.com, provides market information and documentation for the UK power market.

About NASDAQ OMX Commodities
NASDAQ OMX Commodities is the brand name for the NASDAQ OMX Group’s worldwide suite of commodity related products and services. The NASDAQ OMX Commodities offerings include power, natural gas and carbon emission markets and clearing services. NASDAQ OMX Commodities is a trademark of the NASDAQ OMX Group, Inc.

NASDAQ OMX Commodities Europe is the trade name of NASDAQ OMX Oslo ASA which is authorized as a commodity derivatives exchange by the Norwegian Ministry of Finance and supervised by the Norwegian Financial Supervisory Authority.

All trades with NASDAQ OMX Commodities Europe are subject to clearing with NASDAQ OMX Stockholm AB, which is authorized and supervised as a multi-asset clearinghouse by the Swedish Financial Supervisory Authority in Sweden as well as authorized to conduct clearing operation in Norway by the Norwegian Ministry of Finance.

NASDAQ OMX Commodities has more than 350 members from over 15 countries covering a wide range of energy producers, consumers and financial institutions.

For more information, please visit www.nasdaqomxcommodities.com.

About Nord Pool Spot
Nord Pool Spot runs the largest market for electrical energy in the world, offering both day-ahead and intraday markets to its participants. Nearly 340 companies from 18 countries trade on the exchange. The Nord Pool Spot group has offices in Oslo, Helsinki, Stockholm, Fredericia (Denmark), Tallinn and London. Nord Pool Spot is owned by the Nordic transmission system operators. In 2010, the group had a turnover of 307 TWh representing a value of EUR 18 billion.

For more information, visit www.nordpoolspot.com.

This document is being directed solely at and may only be communicated to persons: (i) who have professional experience in matters relating to investments as defined in Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (the "FPO") or, (ii) who are high net worth companies, unincorporated associations and trustees of high value trusts within Article 49(2)(a)-(d) of the FPO, or (iii) to whom it may otherwise be lawful to distribute it (all such persons together being referred to as "Relevant Persons"). Any investment activity to which this document relates is available only to Relevant Persons and will be engaged in only with Relevant Persons.