1. NTS Exit Capacity - Amending the DN Adjustment Window Transmission Workstream, 1 April 2010

2. 2010 DN Adjustment Window – Brief Overview  31 July-Annual Application Window Closes  15 Sept-National Grid NTS - provides Indicative OCS/OPS Statements DNO Users - have 5 Business Days to seek clarification and resubmit applications for NTS Exit (Flexibility) Capacity, Assured Pressures and NTS Exit (Flat) Capacity  22 Sept-Final date for DNO Users to submit requests  30 Sept-National Grid NTS issues the final Offtake Capacity Statement (OCS) and Offtake Pressure Statement (OPS) and allocate requests for NTS Exit (Flat) Capacity

3. Proposed Changes  National Grid NTS is proposing to amend the date that the indicative OCS/OPS will be issued from the 15 th September to the 1 st September  DNO Users to be then given [10] Business Days to clarify and/or resubmit applications for NTS Exit (Flexibility) Capacity/Assured Pressures, and submit revised applications for NTS Exit (Flat) Capacity (n.b. only where request for NTS Exit (Flexibility) Capacity/Assured Pressure have been rejected)

4. 2010 Adjustment Window – Current UNC

5. 2010 Adjustment Window – Proposed Changes