SGN 2010 Annual Tender Interruption Requirements 7th May 2010

2010 Interruption Process Scotia Gas Networks publish Final Interruption Requirements 30th April 2010 Xoserve send details of Interruption requirements to Shippers 7th May 2010 Tender window opens Monday 7th June 2010 Tender window closes 5pm Friday 18th June 2010 On or before 30th July 2010 SGN publish results of the Annual tender

Interruption Requirements May 2010 Scotia Gas Networks have published it’s Interruption Requirements, details are summarised below or on the SGN website; www.sgn.co.uk or contact for assistance Steven Howells tel 07773 284161 Scott Duncan tel 01293 818256 Email interruption@sgn.co.uk

Final Interruption Requirements Scotland Zones Final Interruption Requirements Zone Requirements 2011/12 2012/13 2013/14 2014/15 2015/16 2016/17 2017/18 Scotland Zone 1 SOQ Volume (GWh/Day) 3.65 3.99 4.30 4.63 4.95 7.3 7.61 Min No. Int Days 5 Max No. Int Days 52 54 57 59 61 62 65 Scotland Zone 2 0.8 25 36 38 39 41 43 46 Scotland Zone 3 0.7 30 44 53 69 Scotland Zone 4 1 40 82 85 88 90

Southern Zones There are currently no Interruption Requirements for the Southern DN. SGN are not therefore accepting Tenders during this annual window for the Southern DN.