CAM What‘s new on November 1, 2015 ? 1

 New PIR Alveringem  Interruptible capacities : Sales planned on the Agenda, Interruptibility of backhaul capacities, Priority of interruption of interruptible capacities according to the product maturity  Within Day offer: Creation of within-day capacities, Modification of the UBI offer mechanism 2 What‘s new on November 1, 2015

3 Agenda starting from November 2015 * Backhaul only

4 GRTgaz’s offer in November 2015 * Forward only Interruptible capacities are commercialised when 98% of the firm capacities are sold out. Bundle with adjacent TSO if available Corresponding unbundled product also marketed on PRISMA * Forward only Interruptible capacities are commercialised when 98% of the firm capacities are sold out. Bundle with adjacent TSO if available Corresponding unbundled product also marketed on PRISMA Obergailbach Yearly Quarterly Monthly Daily Within Day* Taisnières H Yearly Quarterly Monthly Daily Within Day* Taisnières B Yearly Quarterly Monthly Daily Within Day Oltingue Yearly Quarterly Monthly Daily Within Day* Starting from November 2015 North South Link Yearly Quarterly Monthly Daily Within Day Alveringem Yearly Quarterly Monthly Daily Within Day*

5 Within-day offer  If firm capacities are still available after the day-ahead auction, GRTgaz offers within-day auctions until the remaining firm capacities are sold out on Prisma  UBI will be open only when there is no more firm capacities available From November 1 st :

6 D-1 D 6am10am2pm6pm 10pm 2am6am 2am 10pm6pm 2pm 1 st WD 24 hours Product * 2 nd WD window: 3am  3:30am 3 rd WD window: 4am  4:30am 2 nd WD 23 hours Product * 3 rd WD 22 hours Product * Day-ahead 4:30pm  5pm 1st WD Window: 7pm  2:30am Last WD window: 1am  1:30am 4 th WD 21 hours Product * … 4 th WD window: 5am  5:30am Firm auction Firm capacity * Marketed only if the precedent product is not sold out Day-Ahead 24 hours Product Within Day Calendar 7am 8am 9am One hour window for nomination

7 During the gas day, you need to increase your nomination. Do you have enough capacities? During the gas day, you need to increase your nomination. Do you have enough capacities? You do a nomination with the new amount on You do a nomination with the new amount on Yes No YesNo 30 minutes after the auction’s end, you have a one hour window (h-3/h-2) to nominate the new amount on with 2 hours of lead time (h) 30 minutes after the auction’s end, you have a one hour window (h-3/h-2) to nominate the new amount on with 2 hours of lead time (h) Is there UBI available? Is there UBI available? You log on PRISMA to buy capacities on the next within-day auction GRTgaz within-day offer You log on to see if the UBI is open. You log on to see if the UBI is open. You do an overnomination with the new amount on with 2 hours of lead time You do an overnomination with the new amount on with 2 hours of lead time Yes No You cannot increase your nomination Because firm capacities are still available

8 During the gas day, you need to increase your nomination. Do you have enough capacities? During the gas day, you need to increase your nomination. Do you have enough capacities? No Yes Is there UBI available? Is there UBI available? GRTgaz within-day offer: Exemple 1 You log on to see if the UBI is open. You log on to see if the UBI is open. You do an overnomination with the new amount on with 2 hours of lead time You do an overnomination with the new amount on with 2 hours of lead time Yes 6:45am

9 During the gas day, you need to increase your nomination. Do you have enough capacities? During the gas day, you need to increase your nomination. Do you have enough capacities? No 30 minutes after the auction’s end, you have a one hour window (h-3/h-2) to nominate the new amount on with 2 hours of lead time (h) 30 minutes after the auction’s end, you have a one hour window (h-3/h-2) to nominate the new amount on with 2 hours of lead time (h) You log on PRISMA to buy capacities on the next within-day auction GRTgaz within-day offer: Exemple 2 You log on to see if the UBI is open. You log on to see if the UBI is open. 6:45am 7:00-7:30am 8:00-9:00am

10 According to the deliberation of the French Energy Regulatory Commission (CRE) on December 17 th 2014 deciding on the evolution of the tariff of natural gas transmission networks as from April 1 st 2015 : Price of Within-Day capacities is prorated on the number of remaining hours. Within-Day Invoicing