Common use of Operational and Market Data Clause in Contracts

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS from each National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each By 11:00 hours on each Day Tabular Viewable Public pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). By 12:00 hours on each Day Tabular Viewable Public The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 05:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve rese incentive target (SRITt), gas cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;.

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS Gas Transmission by the time specified in the next column as being the time for publication, then National Grid NTS Gas Transmission shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public (including where negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;.

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS from each National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each By 11:00 hours on each Day Tabular Viewable Public pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). By 12:00 hours on each Day Tabular Viewable Public The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate By 18:00 hours on Tabular Viewable Public System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. each Day For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including By 12:00 hours on each Day Tabular Viewable Public the quantity of NTS own use gas). The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where negative) of aggregate prevailing Input By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;public

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS from each National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public transported to another country The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). By 12:00 hours on each Day Tabular Viewable Public The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 05:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point By 18:00 hours on each Day Tabular Viewable Public capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following DayDay.3 3 Implementation of modification 0219, effective 06:00hrs on 01 November 2009, will add a new line in Annex V-1 table. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS from each National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the SystemSystem . Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the SystemSystem . Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve rese incentive target (SRITt), gas cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS from each National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected By 11:00 hours on each Day Tabular Viewable Public System Exit Point in respect of each pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). By 12:00 hours on each Day Tabular Viewable Public The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 05:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve rese incentive target (SRITt), gas cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at from each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period Every 12 minutes, in respect of the six 2 minute periods Tabular Viewable Public into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). By 12:00 hours on each Day Tabular Viewable Public The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 05:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, By 16:00 hours on each Day Tabular Viewable Public then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 Day.1 By 18:00 hours on each Day Tabular and graphical Viewable and downloadable public Public 1 Implementation of modification 0219, effective 06:00hrs on 16/11/2009, will add a new line in Annex V-1 table. SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS from each National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each By 11:00 hours on each Day Tabular Viewable Public pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). By 12:00 hours on each Day Tabular Viewable Public The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 05:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). Facility).5 By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public 5 Implementation of modification 0461 effective 05:00hrs on 01/10/2015, will amend Annex V-1, line 6 of the table. following Day. For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS from each National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each By 11:00 hours on each Day Tabular Viewable Public pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). By 12:00 hours on each Day Tabular Viewable Public The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 05:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). Facility).5 By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public 5 Implementation of modification 0461 effective 05:00hrs on 01/10/2015, will amend Annex V-1, line 6 of the table. following Day. For each Aggregate By 18:00 hours on Tabular Viewable Public System Entry Point each Day capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. For each Day: On D+2 by 1300 Tabular Viewable and public (i) the total Trade hours each Day and downloadable Nomination Quantities graphical (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;

Operational and Market Data. Column Name Description 1 Data data definition and indication of the time period to which the data corresponds 2 Timing initial publication timing and where appropriate, timing of updates if the data is subject to any change 3 Format tabular, graphical, other 4 Presentation downloadable, viewable or both 5 Disclosure public or restricted (and if restricted, list of entities to whom the data can be released) Data Timing Format Presentation Disclosure The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS from each National Grid LNG Storage Facility Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Individual System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The rate of flow of gas (in MSCM per Day) over a 2 minute period into the NTS at each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System. Every 12 minutes, in respect of the six 2 minute periods commencing 24 minutes before the time of publication and ending 12 minutes before the time of publication. Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the Preceding Gas Flow Day at the Connected System Exit Point in respect of each By 11:00 hours on each Day Tabular Viewable Public pipeline interconnector by which gas is transported to another country By 11:00 hours on each Day Tabular Viewable Public The aggregate physical quantity of gas offtaken from the System in the preceding Gas Flow By 12:00 hours on each Day Tabular Viewable Public Day at each NTS Exit Point, (not including the quantity of NTS own use gas). By 12:00 hours on each Day Tabular Viewable Public The aggregate physical LNG in store (in kWh) at LNG Importation Facilities at 04:59 05:59 hours on the Preceding Gas Flow Day: provided that, where not all LNG Importation Facilities have provided such data to National Grid NTS by the time specified in the next column as being the time for publication, then National Grid NTS shall publish that such aggregate is unknown (and shall not be required to publish the information received from any LNG Importation Facility). By 16:00 hours on each Day Tabular Viewable Public For each Aggregate System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which does not have an associated System Exit Point, the aggregate prevailing Input Nominations for such Aggregate System Entry Point in respect of the following Day. By 18:00 hours on each Day Tabular Viewable Public For each Aggregate By 18:00 hours on Tabular Viewable Public System Entry Point capable of flowing (in aggregate) more than 10 MSCM per Day of gas into the System which has one or more associated System Exit Points, the sum (including where By 18:00 hours on each Day Tabular Viewable Public negative) of aggregate prevailing Input Nominations for such Aggregate System Entry Point less aggregate prevailing Output Nominations for such associated System Exit Point(s), in each case in respect of the following Day. each Day For each Day: (i) the total Trade Nomination Quantities (in TWh); (ii) the aggregate quantity (in TWh) of all Input Nominations for all Users prevailing at the end of the Gas Flow Day; (iii) the total number of Disposing Trade Nominations and corresponding Acquired Trade Nominations; and (iv) the total number of Users that have submitted a Trade Nomination. On D+2 by 1300 hours each Day Tabular and graphical Viewable and downloadable public SO Commodity Charge Information Annex V-2 SO Commodity Charge Information SO Commodity Charge Information description Licence definition period reporting deadline location forecast of annual System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast of monthly System throughput for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas actual weekly System throughput N/A Formula Year to date 9 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas annual target cost for each of the Relevant SO Incentive Schemes for Formula Year t NTS SO exit capacity incentive targets (ExCITt) & (ExITt), system reserve incentive target (SRITt), cost incentive target (GCITt), internal cost incentive target (ICITt). Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas forecast monthly target cost for each of the Relevant SO Incentive Schemes for Formula Year t N/A Formula Year On 1 April or as soon as reasonably practicable thereafter in Formula Year t-1 xxx.xxxxxxxxxxxx.xx m/uk/gas sum of weekly outturn costs The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The Formula Year to date 62 Days after week end xxx.xxxxxxxxxxxx.xx m/uk/gas Annex V-2 SO Commodity Charge Information for the Relevant SO Incentive Schemes internal cost performance measure (ICCPt) quarterly outturn costs for each of the Relevant SO Incentive Schemes The exit performance measure (ExCPt), The NTS SO system balancing costs (SBICt), The internal cost performance measure (ICCPt) Formula Year to date 62 Days after quarter end xxx.xxxxxxxxxxxx.xx m/uk/gas Where: t means the relevant Formula Year;