Diapositive 1

CAMWhats new on November 1, 2015 ?1

New PIR AlveringemInterruptible capacities:Sales planned on the Agenda,Interruptibility of backhaul capacities,Priority of interruption of interruptible capacities according to the product maturityWithin Day offer:Creation of within-day capacities,Modification of the UBI offer mechanism

2Whats new on November 1, 2015

3Agenda starting from November 2015* Backhaul only ProductValidity periodFirmInterruptiblePublication Starting DatePublication and Starting DateYearly1/10/Y 1/10/Y+11/10/Y+14 1/10/Y+151st Monday of February Y1st Monday of March Y1st Monday of April YQuaterlyQ1: 1/10/Y 1/1/Y+1Q2: 1/1/Y+1 1/4/Y+1Q3: 1/4/Y+1 1/7/Y+1Q4: 1/7/Y+1 1/10/Y+13rd Monday of May Y1st Monday of June Y1st Monday of July YMonthlyMonth M1st Monday of month M-12nd Monday of month M-13rd Monday of month M-1DailyDay Ahead D4:30pm D-15:30pm D-1Within DayH+4 for the day until the end of the gas dayAs from 7pm until 2:30amThen each hourUBI (on TRANS@ctions)

34GRTgazs offer in November 2015* Forward only

Interruptible capacities are commercialised when 98% of the firm capacities are sold out.Bundle with adjacent TSO if availableCorresponding unbundled product also marketed on PRISMA

ObergailbachYearlyQuarterlyMonthlyDailyWithin Day*Taisnires HYearlyQuarterlyMonthlyDailyWithin Day*Taisnires BYearlyQuarterlyMonthlyDailyWithin DayOltingueYearlyQuarterlyMonthlyDailyWithin Day*Starting from November 2015North South LinkYearlyQuarterlyMonthlyDailyWithin DayAlveringemYearlyQuarterlyMonthlyDailyWithin Day*

45Within-day offerIf 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 1st :

6D-1D6am10am2pm6pm10pm2am6am2am10pm6pm2pm1st WD 24 hours Product *2nd WD window: 3am 3:30am3rd WD window: 4am 4:30am2nd WD 23 hours Product *3rd WD 22 hours Product *Day-ahead 4:30pm 5pm1st WD Window: 7pm 2:30amLast WD window: 1am 1:30am4th WD 21 hours Product *4th WD window: 5am 5:30amFirm auctionFirm capacity* Marketed only if the precedent product is not sold outDay-Ahead 24 hours ProductWithin Day Calendar7am8am9amOne hour window for nomination

7During the gas day, you need to increase your nomination. Do you have enough capacities?You do a nomination with the new amount on TRANS@ctionsYesNoYesNo30 minutes after the auctions end, you have a one hour window (h-3/h-2) to nominate the new amount on Trans@ctions with 2 hours of lead time (h)Is there UBI available?You log on PRISMA to buy capacities on the next within-day auction

GRTgaz within-day offerYou log on TRANS@ctions to see if the UBI is open. You do an overnomination with the new amount on TRANS@ctions with2 hours of lead time

YesNoYou cannot increase your nomination

Because firm capacities are still available

8During the gas day, you need to increase your nomination. Do you have enough capacities?NoYesIs there UBI available?GRTgaz within-day offer: Exemple 1You log on TRANS@ctions to see if the UBI is open. You do an overnomination with the new amount on TRANS@ctions with2 hours of lead time

Yes

6:45am

9During the gas day, you need to increase your nomination. Do you have enough capacities?NoNo30 minutes after the auctions end, you have a one hour window (h-3/h-2) to nominate the new amount on Trans@ctions 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 2You log on TRANS@ctions to see if the UBI is open.

6:45am7:00-7:30am

8:00-9:00am

10According to the deliberation of the French Energy Regulatory Commission (CRE) on December 17th 2014 deciding on the evolution of the tariff of natural gas transmission networks as from April 1st 2015 :

Price of Within-Day capacities is prorated on the number of remaining hours.

Within-Day Invoicing