Mod_06_12 Improved Efficiencies in LCF Process 31 January 2012 * Mod_06_12 Improved Efficiencies in LCF Process 31 January 2012 * 1##

Key Steps for Current LCF Process Pre-Gate Closure*1 Participant – notifies SEMO of possible LCF SEMO – confirms LCF SEMO – Advises Participant to submit bids (via fax) Post Gate Closure*3 SEMO – validate LCF bid submission SEMO – manually enter bids SEMO – secondary check of manually entered bids SEMO – send response to Participant whether the offer data have been successfully loaded. ~ 40 minutes*2 Participant Market Controllers Market Helpdesk Market IT ~ 30+ minutes*4 Market Controllers Market Helpdesk *1 - Key steps only. *2 - Time is indicative , being dependent on Participant familiarity with LCF process and type of data being submitted. *3 - Key steps only, detail involves 18+ steps *4 - Time is indicative and will depend upon event, number of Units, bid structure, etc.

Key Steps for NEW LCF Process Pre-Gate Closure Participant – notifies SEMO of possible LCF SEMO – confirms LCF Participant to submit bids (via SEMO Website) Participant to submit User name, Password and Transaction ID (via Fax) Post Gate Closure SEMO – Uploads XML file SEMO – send response to Participant whether the offer data have been successfully loaded. (via fax) ~ 20 minutes Participant Market Controllers Market Helpdesk Market IT ~ 10 minutes*4 Market Controllers Market Helpdesk *4 - Time is indicative and will depend upon event, number of Units, bid structure, etc.