1. Mod_06_12Improved Efficiencies in LCF Process31 January 2012

2. Key Steps for Current LCF Process • ~ 40 minutes*2 • 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. • 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.

4. Key Steps for NEW LCF Process • ~ 20 minutes • 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) • 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.