Offtake Workstream : 19 March 2012 UNC modification proposal 0407 : Standardisation of notice periods for offtake rate changes for all National Grid NTS Exit Users Offtake Workstream : 19 March 2012

HIGH LEVEL OPTIONS FOR CHANGE? Preferred Option – 0407. Simple, well understood proposal. NG NTS assessing impacts of removal and impact of GDNs non compliance to date Other possible options ? Replace the LDZ measure of 2 hour 5% with LDZ specific absolute value (e.g. xx Mcmd). Capture LDZ specifics in annex to Section I of OAD Retain 2 hour 5% rule, but exclude VLDMC’s from rule. Invest to retain existing rules Amend 2 hour 5% rule so that rule is (5% of MDQ) Concept of LDZ NExA (effectively this is what the OAD is), but with LDZ specific parameters.