1. Place your chosen image here. The four corners must just cover the arrow tips. For covers, the three pictures should be the same size and in a straight line. Mod 0415 - Information Provision for Margins Notice and Gas Deficit Warning Transmission Workgroup 5th April 2012

2. 2 Margins Notice Information Provision Draft Margins Notice ANS National Grid has issued a Margins Notice for Gas Day xx/xx/xx. Please see Prevailing View on www.nationalgrid.com for the latest Supply/Demand position or refer to the daily Margins Notice & SD Report also available on www.nationalgrid.com

3. 3 Margins Notice Information Provision SAMPLE

4. 4 Gas Deficit Warning Information Provision Draft Gas Deficit Warning ANS (issue) National Grid has issued Gas Deficit Warning for Gas Day xx/xx/xx. Please see Prevailing View on www.nationalgrid.com for the latest Supply/Demand position. This warning has been issued in response to [xxxxxxxxxx] resulting in a forecast end of day supply deficit. Further information will be published once NTS conditions are stable. National Grid will now consider any user offers for single or multiple day trades via the OTC or OCM. Note OTC offers can only be made by non OCM subscribers. Warning GDW Warning Status

5. 5 Gas Deficit Warning Information Provision Draft Gas Deficit Warning ANS (withdrawal) With immediate effect the Gas Deficit Warming issued for Gas Day xx/xx/xx has been withdrawn. Further information on the issue and withdrawal of the Gas Deficit Warning for Gas Day xx/xx/xx will be published in due course.

6. 6 GDW Post Event Reporting SAMPLE A detailed breakdown of events leading to the issue/withdrawal of a GDW will be presented at the Shipper Operations Forum or via a Live Meeting