Δημόσια Διαβούλευση της ΡΑΕ επί της εισήγησης της ICGB AD για την τροποποίηση του Κώδικα Διαχείρισης του αγωγού IGB Η Ρυθμιστική Αρχή Ενέργειας θέτει σε δημόσια διαβούλευση την εισήγηση του Διαχειριστ

the Exemption Decision, this INC shall continue in force, as amended from time to time, for twenty-five

the laws of England and Wales, excluding any rules or principles (such as rules on conflicts of laws), that would require application of the laws of another jurisdiction to this INC or any matter arising under it. For the avoidance of doubt, mandatory provisions of the relevant Applicable Law shall prevail. Disputes If a Dispute arises, the Parties agree that management from each Party (with due regard to conflicts of interest impacting individual members of such management) shall meet and negotiate in good faith to seek a resolution to such Dispute. If negotiations do not resolve the Dispute: 1 June 2022 (a) with respect to matters to be determined by the Expert, within two

article 11.2 of NC CAM (Ascending clock auction algorithm), the price announced for the last bidding round in which an auction closes, except where the aggregate demand across all Users is greater than the Available Capacity offered in a bidding round with a price equal to that which led to the first-time undersell, in which case it shall be the price that led to the first-time undersell. ACER Yearly Monitoring Report means the report described in Article 14.1.2. Adjacent TSOs means, TAP, DESFA and Bulgartransgaz EAD. Affiliate means, with respect to a Party, any Entity Controlled, directly or indirectly, by that Party, any Entity that Controls, directly or indirectly that Party or any Entity directly or indirectly under the common Control of a Party. Agreed Interest Rate means interest (compounded monthly), at a rate equal to the arithmetic mean of the daily quotation of the three

Article 16

.4.3) that a Network User needs to pay (or, as it may be, is entitled to receive), in respect of Daily Imbalance Quantity, which amount is always different than zero. Daily Imbalance Quantity has the meaning given to it in Article 16.4.

1. Daily Quantity means for each Network User, the sum of all Confirmed Quantities for each Network User as a result of the Matching Process set under Article 13.
2. Day means a period of twenty-four

the Exemption Decision, corresponding to the values set out in Article 6.3. Exempted Network User means a Network User which has executed an ARCA with ICGB after having been awarded capacity on the IGB Pipeline during the IGB Market Test. An Exempted Network User and the Network User have the same obligations under this INC unless explicitly stated otherwise herein. Exemption Decision means the Joint Decision of May 2018 as amended by the Final Joint Decision PB-O-2 on 8th August 2018 jointly issued by RAE and EWRC, upon the Decision n. C

Article 9

) in order to use some or all of the Transmission Services, as amended and/or restated from time to time (see ANNEX C). Gas Year means a period beginning at the start of the first Gas Day in October of each calendar year and ending at the end of the last Gas Day in September of the following calendar year, except that the first Gas Year will start at the start of the first Gas Day on which the ICGB provides the Transmission Services to a Network User

a Gas Transportation Agreement. Governmental Authority means any national or local government, any regulatory or administrative agency, commission, body or other authority, and any court or governmental tribunal lawfully exercising jurisdiction over this INC, the GTA (if any), the Ancillary Contract(s) (if any), the Network User’s Facilities and/or the ICGB’s Facilities. GCV means the amount of heat that would be released by the complete combustion of one Nm3 of Natural Gas in air and all products of the combustion are returned to the same specified temperature (25°C) as that of the reactants, all of these products being in the gaseous state except for water formed by combustion, which is condensed to the liquid state at 25°C. ICGB means ICGB AD, a company incorporated under Bulgarian law, registered in the Commercial Register at the Registry Agency under the number UIC 201383265. ICGB Approvals means all Approvals required from any Governmental Authority of Greece or Bulgaria concerning the design, construction, installation, commissioning, maintenance, repair, and operation of ICGB's Facilities. ICGB’s Annual Plan means the programme prepared and issued by ICGB on an annual basis,

Article 4.1.1.

ICGB's Facilities means the Gas reception, transportation, and delivery facilities of the IGB Pipeline that are located between the Entry Point and the Exit Point and are necessary to transport Gas to the Exit Point under this INC and the relevant GTA. IGB Digital Support means the system described in Articles 4.2 and 7.6.5. 8 June 2022 IGB Intergovernmental Agreement means the intergovernmental agreement relating to the IGB Pipeline (to

1. be)entered into between the Government of the Republic of Bulgaria and the Government of the Republic of Greece. IGB Market Test means the market test conducted between October 2015 and March 2017 by the ICGB within the procedure for obtaining the Exemption Decision and which allowed Exempted Network Users to book Reserved Capacity in advance without participating in the procedure pursuant to Article 10. IGB Minimum Capacity means the specific hourly volumes of Gas transportable by the IGB Pipeline on an annual basis. It is nominally set in forward mode at approximately 380,517 Nm3/h/y. ICGB shall use a load factor = 0.9 at COD. IGB Pipeline means the gas interconnector and the related facilities connecting the Greek and Bulgarian Natural Gas transportation systems from Komotini (Greece) to Stara Zagora (Bulgaria), developed, designed, financed, built, owned and operated by ICGB AD (the ICGB). It shall be connected initially with the Bulgartransgaz EAD, DESFA and TAP systems, as well as the Distribution and/or Other System(
2. s)and thereafter with such further other systems as may be determined

any applicable NRA frameworks. IGB Technical Description means the technical description as it will be published on the ICGB website and whose content is described in Article 5.3 set here forth. Industrial Client means a Person who uses Natural Gas in technological or production processes or for non-household purposes. Insolvency Event means in respect of a Party: (

1. a)dissolution (other than pursuant to a consolidation, amalgamation or merger); (
2. b)becoming insolvent or unable to pay its debts or fails or admits in writing its inability generally to pay its debts as they become due; (
3. c)an arrangement or composition with or for the benefit of creditors (including any voluntary arrangement) being entered into by or in relation to the Party; (
4. d)a receiver, administrator, administrative receiver or other encumbrance taking possession of or being appointed over, or any distress, execution or other process being levied or enforced (and not being discharged within ten

Article 18.1 and article 6.1 of ANNEX C -.

Monthly Statement has the meaning given to it in Article 21.1.1. National Regulatory Authority(

1. s)or NRA(
2. s)means the Regulatory Authority for Energy of Greece (RAE) and the Energy and Water Regulatory Committee of Bulgaria (EWRC). Natural Gas or Gas means gaseous hydrocarbons or a mixture of gaseous hydrocarbons corresponding with the Gas Characteristics as set out in Article 22 and being transported by the IGB Pipeline. Gas Characteristics may vary

the allowable ranges set out in the Entry Point Specification. Natural Gas Customer means a DSO or an Industrial Client that has entered into a Natural Gas Supply Contract. 11 June 2022 Natural Gas Supply Contract means an agreement on supply of Natural Gas between the Natural Gas Customer and the Network User that envisages the Exit Point to the Distribution and/or Other System(s) as the delivery point. NC BAL means Commission Regulation (EU) No 312/2014 of 26 March 2014 establishing a Network Code on Gas Balancing of Transmission Networks, as such may be amended, supplemented or replaced from time to time. NC CAM means Commission Regulation No (EU) 2017/459 of 16 March 2017 establishing a network code on capacity allocation mechanisms in gas transmission systems and repealing Regulation (EU) No 984/2013, as such may be amended, supplemented or replaced from time to time. NC TAR means Commission Regulation (EU) 2017/460 of 16 March 2017 establishing a network code on harmonised transmission tariff structures for gas, as such may be amended, supplemented or replaced from time to time. Net Measured Quantities means the quantity of Natural Gas in kWh measured over a specified period at an Interconnection Point, as determined by the Measurement Equipment, adjusted at that Interconnection Point. Network User means a natural person or a legal entity who has become a Registered Party

Article 9

, for the purpose of: (

1. a)using some or all of the Transmission Services and/or (
2. b)accessing the VTP and trading Natural Gas at the VTP. Network User Approvals means all Approvals, if required or applicable, from any relevant governmental authority or institution concerning the Network User's obligations under its GTA (if any). this INC and Ancillary Contract(
3. s)(if any) and the transactions contemplated thereunder and hereunder. Network User Credit Support means the types of guarantees referred to in Article 29. Network User Credit Support Period means: (
4. a)in relation to the Exempted Network Users, the period commencing on the Signing Date, continuing for the duration of the GTA and being in effect until all claims under this INC and the GTA have been settled or discharged in full (e.g. including any termination payment); or (
5. b)in relation to the Network Users (other than the Exempted Network Users), the period commencing on the date the applicant provided the Network User Credit Support as part of its application to become a Registered Party and continuing until the earlier of: − the date when the applicant´s registration to become a Registered Party has been withdrawn by the applicant; or − the later of: (
6. i)the duration of the GTA (if any) and each Ancillary Contract (if any), and (
7. ii)all claims under this INC, the GTA (if any) and each Ancillary Contract (if any) have been settled or discharged in full (e.g. including any termination payment). Network User Credit Support Requirement means the requirement to provide Network User Credit Support in respect of the Network User's obligation to make payments under this INC, 12 June 2022 the GTA (if any) and each Ancillary Contract (if any) as and when such obligation arises under the terms of this INC, the GTA (if any) and each Ancillary Contract (if any). Network User's Facilities means the Gas delivery and reception facilities upstream of the Entry Point which are necessary for the delivery of Gas at the Entry Point; and downstream of the Exit Point which are necessary to take delivery of Gas at the Exit Point under this INC and the relevant GTA. Neutrality Account means a notional account through which the ICGB shall ensure that it remains financially neutral in respect of its balancing activities. Neutrality Payment Amount has the meaning given to it in Article 16.5.2(a). Nominated Quantity means, in respect of a Nomination Period, the quantity of Gas that has been Nominated or deemed Nominated by the Network User under Article 13.2 (
8. a)for delivery by that Network User to the ICGB at an Entry Point; and (
9. b)for redelivery by the ICGB to that Network User at an Exit Point, and Nominated Quantities shall be construed accordingly. Nomination means the prior notification by a Network User to ICGB of its Nominated Quantities and Nominate or Nominated shall be construed accordingly. Nomination Period means, in respect of each Day, a period during which Network Users can submit nominations. Non-Exempted Capacity means the Available Capacity referred to in Article 3.2.2 and Article 3.2.3. Non-Exempted Network User means a Network User who is not an Exempted Network User. Normal Cubic Meter (Nm3) means the amount of Natural Gas that fills 1m3 of space at a temperature of 0°C with an absolute pressure of 1.01325 bar. Off-Specification Entry Gas means Gas made available for delivery at the Entry Point which does not conform with the Entry Point Specification. Off-Specification Exit Gas means Gas made available for delivery at the Exit Point which does not conform with the Exit Point Specification. Operational Balancing Agreements means agreements executed between the Adjacent TSO and the ICGB that set out the terms and conditions for allocating of the quantities of Gas at each Interconnection Point. Ordinance No. 10 means the ordinance no. 10 of 9 June 2004 on the procedure for introducing limitation regime, suspension or restriction of production or supply of electricity, heat and natural gas issued by the Ministry of Energy of the Republic of Bulgaria and published in the State Gazette of the Republic of Bulgaria. Other Network User means any Person other than the Network User named in a particular gas transportation agreement (or ARCA, in respect of an Exempted Network User) who, at the 13 June 2022 relevant time, is delivering Gas into the IGB Pipeline and/or, as the context requires, is offtaking Gas from the IGB Pipeline. Pair of Network Users means a pair of Network Users (who, for the avoidance of doubt, may be the same Network User) who transfer Natural Gas at the Virtual Trading Point or an Interconnection Point. Partial Change of Supplier has the meaning given to it in Article 10.5.3. Partial Interruption has the meaning given to it in Article 8.1.2. Party means any party bound by this INC, including the Network User, the Registered Party and the ICGB individually; collectively, Parties. Person means any individual, partnership, corporation, association, trust, Governmental Authority, or other entity. Platform means either PRISMA or RBP; jointly, Platforms. Platform Agreement means an agreement on the membership to and/or the use of the relevant Platform (to
10. be)entered into between the Network User (or, as it may be, the Buying Party) and the relevant Platform, as such may be amended and/or restated from time to time. Price Bid means the unit price in €/kWh offered by the Network User at auctions conducted pursuant to Article 10. PRISMA means a capacity booking and trading platform, established and operated by Prisma European Capacity Platform GmbH, including all universal legal successors thereof. Processed Quantity means, in relation to a particular period of time, the quantity of Gas Nominated, or, if applicable, Re-nominated, by a Network User, as may be adjusted by the relevant Party

the provisions of this INC on Nominations and Renominations. Provisional Network User Allocation means the allocation provided to each Network Users on a daily basis by the ICGB pursuant to Article 16.6.

1. RAE means the Regulatory Authority for Energy of Greece. RBP or Regional Booking Platform means a capacity booking and trading platform, established and operated by the Hungarian Gas Transmission System Operator (FGSZ), including all universal legal successors thereof. Reasonable and Prudent Party means a Person (including the Parties) seeking in good faith to perform its covenants or obligations under this INC, the relevant GTA (if any) and all Ancillary Contracts (if any) and in so doing and in the general conduct of its undertaking exercising that degree of skill, care and ability that would reasonably and ordinarily be expected from a skilled and experienced operator and/or network user of a pipeline system similar to the IGB Pipeline complying with all Applicable Laws and engaged in the same type of undertaking under the same or similar circumstances and conditions. Reasonable Efforts means, for any action required to be made, tried, or taken by a Party under this INC, the relevant GTA (if any) and all Ancillary Contracts (if any), the efforts that a prudent Person would undertake to protect its own interests, including commercial interests, taking into 14 June 2022 account the conditions affecting the action, including the amount of notice to act, recognition of the need to act, the duration and type of action, the competitive environment in which the action happens, and the projected benefit, cost and risk to the Party required to take the action. Reference Gas Year means the Gas Year used for congestion management procedure calculation according to Article
2. Registered Party means a natural person or a legal entity who has been registered

Article 9

. Registration Fee means the fee to be paid by the Registered Party pursuant to Article 9. The Registration Fee shall be revised from time to time and published at www.icgb.eu. Re-nomination means a Nomination submitted by a Network User for a particular Gas Day after the deadline for the confirmation of the initial Nomination for that Gas Day, and Renominate shall be construed accordingly. Representative means as regards each Party, and/or its Affiliates if applicable, the person(s) designated by the Party and/or its Affiliates to give and receive notices under this INC, the relevant GTA (if any) and all Ancillary Contracts (if any) and to exercise the rights of the Party under this INC, the relevant GTA (if any) and all Ancillary Contracts (if any). Reserved Capacity means the capacity (expressed in kWh/D) reserved by an Exempted Network User

its ARCA and the Exemption Decision, which may be: (

1. a)the upper limit that an Exempted Network User may Nominate in a Gas Day (Daily Reserved Capacity); (
2. b)the upper limit that an Exempted Network User may Nominate in any Gas Month (Monthly Reserved Capacity); (
3. c)the upper limit that an Exempted Network User may Nominate in any Gas Quarter (Quarterly Reserved Capacity); (
4. d)the upper limit that an Exempted Network User may Nominate in any Gas Year (Annual Reserved Capacity), which, in each case, may be modified

Article 14

. Reserve Price means the unit price used during the first (1st) round of auctions pursuant to this INC in respect of each Capacity Product, conducted

article 7 of ANNEX C -. RF Capacity means the reverse flow capacity from the Interconnection Point of Stara Zagora to the Interconnection Point(

1. s)of Komotini. This capacity can take a form of: (
2. a)Firm Reverse Flow (FRF) capacity (FRF Capacity); or (
3. b)Interruptible Reverse Flow (IRF) capacity (IRF Capacity). Sanctioned Country means any country or state that is at the relevant time subject to Sanctions. A country or state shall not be deemed to be a Sanctioned Country by virtue of Sanctioned Person(
4. s)being, in the case of individuals, citizens of or residents in such state or country and, 15 June 2022 in the case of entities and organisations, domiciled or resident in such country or state unless expressly stipulated in the relevant Sanctions. Sanctioned Person means any individual, entity, or organisation that is at the relevant time subject to Sanctions and does not benefit from an exemption to the extent that such exemption would remove the effect of the applicable Sanctions for the purposes of the transactions carried out under this INC, the relevant GTA (if any) and all Ancillary Contracts (if any). Sanctions means the economic or trade sanctions, embargoes or restrictive measures of the United Nations, United States of America, European Union or European Union Member States (as amended, modified or replaced from time to time), as applicable in the Republic of Bulgaria and the Republic of Greece. Scheduled Maintenance means, in relation to any of the ICGB's Facilities, the inspection, maintenance, repair, modification or replacement of it. Signing Date means the date on which a GTA is signed by the ICGB and the applicant that, in the ICGB opinion, fulfils all requirements (set out in Article 9) to become a Registered Party (including provision of the Network User Credit Support) and becomes effective

the terms of the GTA. Standard Cubic Meter (Sm3) means a Natural Gas quantity that fills 1m3 at a pressure of 1.01325 bar (standard atmospheric pressure) and at a temperature of 15°C. TAP means an independent Natural Gas TSO of the Greek Natural Gas transmission system incorporated under Swiss law and with whom the ICGB has entered into an Interconnection Agreement and whose network will be physically interconnected with the IGB Pipeline pursuant to Article 5.2.

1. Transmission Tariff means the Exit Point transmission tariff and the Entry Point transmission tariff applicable as determined under articles 4 and 5 of ANNEX C - and payable by the Network User to the ICGB under Article 19 of this INC. Tax or Taxes means any tax, charge, fee, levy or other assessment imposed by any Governmental Authority, whether federal, state, local or otherwise; including all income, withholding, windfall profits, gross receipts, business, environmental, value added, capital gain, duties, capital stock, registration, excise, ad valorem, real property, personal property, land, local development, licence, sales, production, occupation, use, service, service use, transfer, payroll, employment, social security (or similar), unemployment, travel, franchise, severance, bonus or other tax of any kind, as well as any charges and assessments (including any interest, penalties or additions to tax due to or imposed on or regarding any assessment, whether disputed or not, but excluding any royalties, over-riding royalties and like charges), and all stamp or documentary taxes and fees. Third Party means any Person other than a Party. Trade Notification means the prior notification by a Network User to the ICGB of its Traded Quantities at the Virtual Trading Point pursuant to Article 10.
2. Traded Quantities means the aggregate quantity of Natural Gas (in kWh per Gas Day) that has been Nominated by a Network User either: (a) for transfer from it to another Network User at the Virtual Trading Point; or 16 June 2022 (b) for transfer to it from another Network User at the Virtual Trading Point. Transmission Period has the meaning given to it in the relevant GTA. The Transmission Period cannot be longer than the exemption period granted by the Exemption Decision (i.e. 25 Years from COD). Transmission Services means the services to be provided by the ICGB under the GTA (including relevant clause(s) of the GTA and clauses of this INC and, in particular, its Article 7.6), which include the transportation of Gas from/to any Entry Point and to/from any Exit Point and any other service as specified in the GTA and this INC. TSO means a transmission system operator. Unaccounted Gas means the quantity of Gas (in Energy units) resulting from make-up necessary for the purpose of compensating measurement tolerance. Unused Capacity means that portion of the Network User’s capacity which is unused by the Network User, as determined

Article 14.5.

UPAA Clearing Price means,

article 18 (Uniform-price auction algorithm) of NC CAM, the price of the lowest successful bid (pursuant to the auction procedure set out in this INC) if the demand exceeds the offer at the Reserve Price. In all other cases, the UPAA Clearing Price shall be equal to the Reserve Price. User means the Network User and/or Other Network Users. UTC means Coordinated Universal Time. Virtual Trading Point or VTP means a virtual point at which Network Users may register Gas trades. Volume Bid means the hourly Gas quantity Nm/h requested by the Network User at auctions conducted pursuant to Article 10. VTP Agreement means an agreement (to be) entered into between ICGB and an applicant as a condition to such applicant becoming a Registered Party, which agreement regulates the access of such Registered Party, as a Network User, to the VTP and may be amended and/or restated from time to time. VTP Minimum Credit Limit means the minimum amount of the Network User Credit Support applicable for the purpose of the Network User´s trading volumes of Gas (buy and sell) at the VTP, as described in Article 29.3.6 of this INC. Week means a period of seven

the Exemption Decision. To this extent, the ICGB is bound by the respective regulatory frameworks of Greece and Bulgaria and by the Exemption Decision. The Exemption Decision prevails over these regulatory frameworks and includes, inter alia, the following provisions: Exemption Period The exemption period shall last twenty-five

the Exemption Decision. Third party access exemption A third-party access exemption is granted in respect of a certain amount of the IGB Minimum Capacity which is allocated to the Exempted Network Users. The following table shows the Exempted Capacity compared to the Non-Exempted Capacity and the IGB Minimum Capacity at COD: Period from Period to Exempted Capacity (Nm3/h/

1. y)Non-exempted Capacity (Nm3/h/
2. y)IGB Minimum Capacity (Nm3/h/
3. y)COD up to 5 years 179.673,55 200.843,45 380.517,00 1st Day of the 6th year up to years 10 173.966.55 206.550,45 380.517,00 1st Day of the 11th year up to years 20 162.551,05 217.965,95 380.517,00 1st Day of the 21st year up to years 25 131.044,05 249.472,95 380.517,00 18 June 2022 Non-Exempted Capacity (
4. a)The ICGB shall make Non-Exempted Capacity available

the regulation of NC CAM. (b) Nothing in this INC precludes an Exempted Network User to book the Booked Capacity

the INC terms and conditions applicable to Non-Exempted Network Users and the Booked Capacity. In such case, subject to fulfilment of all applicable conditions, the Exempted Network User shall enter, as Non-Exempted User, into a separate GTA with the ICGB that regulates the terms and conditions applicable to the Booked Capacity. Transmission Tariff regime FF Capacity and RF Capacity are exempted from the provisions of Gas Directive (as implemented in Bulgaria and Greece), as set out in ANNEX C - of this INC and is applicable to all Network Users. 19 June 2022 4. INFORMATION PUBLICATION AND DATA EXCHANGE 4.1 Publication by the ICGB Every six

the regulatory frameworks of Greece and Bulgaria, or (

1. b)following any explicit requests to do so by any TSO (other than the ICGB). 5.2 Interconnection Points, Entry Points and Exit Points In case of the Firm Forward Flow (FFF) and the Interruptible Forward Flow (IFF), the Entry Points and the Interconnection Points in Komotini are the following: Entry Point and Interconnection Point with DESFA The Interconnection Point (D-IP) with DESFA shall be at the location (to
2. be)determined by the ICGB and DESFA and the Battery Limits are defined in IGB Technical Description. Entry Point and Interconnection Point with TAP The Interconnection Point (T-IP) with TAP shall be at the location (to
3. be)determined by the ICGB and TAP and the Battery Limits are defined in IGB Technical Description and the Exit Points of the IGB Pipeline are the Exit Points set forth in Article 5.2.3 and Article 5.2.4. Exit Point and Interconnection Point with Bulgartransgaz EAD The Interconnection Point with Bulgartransgaz EAD (B-IP) shall be at the location (to
4. be)determined by the ICGB and Bulgartransgaz EAD and the Battery Limits are defined in IGB Technical Description. Exit Point to the Distribution and/or Other System(
5. s)The Exit Points with the Distribution and/or Other System(
6. s)shall be at the location (to
7. be)determined by the ICGB and the Battery Limits are defined in IGB Technical Description. Subject to Article 7.2, in case of the Firm Reverse Flow (FRF) or the Interruptible Reverse Flow (IRF), the only Entry Point of the IGB Pipeline is: The Entry Point in Stara Zagora and the Interconnection Point with Bulgartransgaz EAD 22 June 2022 The Interconnection Point with Bulgartransgaz EAD shall be at the location (to
8. be)determined by the ICGB and Bulgartransgaz EAD and the Battery Limits are defined in IGB Technical Description and the Exit Points of the IGB Pipeline are the Exit Points set out in Article 5.2.6 to Article 5.2.7. Exit Point in Komotini and the Interconnection Point with DESFA The Interconnection Point with DESFA shall be at the location (to
9. be)determined by the ICGB and DESFA and the Battery Limits are defined in IGB Technical Description. Exit Point in Komotini (Greece) at the Interconnection Point with TAP The Interconnection Point with TAP shall be at the location (to
10. be)determined by the ICGB and TAP and the Battery Limits are defined in IGB Technical Description. 5.3 Technical characteristics IGB Technical Description is published on ICGB website and contains the following information: (
11. a)Pipeline Geographical Extension; (
12. b)Technical Characteristics; (
13. c)Pressures and Transportation Capacity at Entry and Exit point(s); (
14. d)Control Equipment; (
15. e)Metering Stations and Measurement Procedure; (
16. f)Dispatching Centre; (
17. g)Interconnection Point Battery Limits or Exit Point to the Distribution and/or Other System(
18. s)Battery Limit; (
19. h)Technical and Conditions. Operational Constraints and Boundary 23 June 2022 6. EXEMPTED CAPACITY, RESERVED CAPACITY, BOOKED CAPACITY 6.1 Exempted Capacity The Exempted Capacity shall be contracted by the Exempted Network Users, for the relevant capacity and duration. A Gas Transportation Agreement shall be executed in relation to such Exempted Capacity, provided that the Network User fulfils the requirements set out in Article 9. 6.2 INC obligations in relation to the Exempted Capacity The Exempted Network Users shall comply with this INC to the extent that this INC does not contradict the Exemption Decision. 6.3 Exempted Capacity from COD for a period of 25 years Period from Period to Exempted Capacity (Nm3/h/
20. y)Nonexempted Capacity (Nm3/h/
21. y)Reserved Capacity (kWh/D)/y COD up to 5 years 179.673,55 200.843,45 44.166.454 1st Day of the 6th year up to 10 years 173.966.55 206.550,45 42.763.587 1st Day of the 11th year up to 20 years 162.551,05 217.965,95 39.957.486 1st Day of the 21st year up to 25 years 131.044,05 249.472,95 32.212.593 The above table shows the amount of Exempted Capacity

the Exemption Decision in different time periods. The profiles of Exempted Capacity vary depending on the expiration of the GTA executed with the Exempted Network Users. 6.4 Reserved Capacity The table set out in Article 6.3 shows the total amount of the Annual Reserved Capacity for the Exempted Network Users. Each Annual Reserved Capacity shall be allocated on a firm basis to the Exempted Network Users

their respective ARCA´s terms and conditions and represents, when used for Nomination purposes (

Article 13), the Daily Reserved Capacity.

The Daily Reserved Capacity shall be used, inter alia, for netting the Available Capacity pursuant to Article 10. Conversion Factors for ARCAs are 10,24 kWh/Nm3 and 24 h/Day. 6.5 Booked Capacity The Booked Capacity, expressed in kWh/D/y, is the part of Available Capacity allocated to a Network User pursuant to Article 10 and represents, when used 24 June 2022 for Nomination purposes (

Article 13), the Daily Booked Capacity.

The Exempted Network Users are allowed to participate at the booking procedure to the extent permitted by the Exemption Decision and within the limits set in ANNEX D -. In case of allocation of capacity to an Exempted Network User, the Exempted Network User and the ICGB shall enter into a separate GTA concerning such capacity. 25 June 2022 7. CAPACITY PRODUCTS OFFERED AND RELATED SERVICE 7.1 Firm Forward Flow The ICGB shall confirm for the Exempted Network Users and offer to the Network Users, from COD, FFF Capacity at the Exit Point of Stara Zagora (i.e. at B-T) as per Article 5.2.3 above. All Network Users may book, from COD, FFF Capacity at the Entry Point(

1. s)of Komotini (i.e. at D-IP and/or T-IP, as the case may be), to be transported up to the Exit Point of Stara Zagora (i.e. at B-IP) or other Exit Point to the Distribution and/or Other System(s). FFF Capacity, is subject to Entry Point Transmission Tariff and Exit Point Transmission Tariff (ENTFFF and EXTFFF, respectively) as defined in articles 4.1 and 5.1 of ANNEX C -. Booking procedures for FFF Capacity shall comply with the provisions of Article 10.3 and NC CAM. 7.2 Firm Reverse Flow The ICGB may offer, at any time from COD, Firm Reverse Flow (FRF) capacity (FRF Capacity at the Exit Point(
2. s)of Komotini (i.e. at D-IP and/or T-IP, as the case may be). If offered, FRF Capacity shall be initially treated at COD as “incremental capacity” and shall follow the relevant procedure set out in NC CAM for investing in the necessary Facilities and ensuring the relevant Transmission Service by the ICGB. Following the successful completion of such procedure, the ICGB having made relevant commitments to invest in necessary Facilities and the registration conditions set out in Article 9 having been fulfilled, the execution of a GTA between the ICGB and a Network User for FRF Capacity shall take place. Subject to the preceding sentences, from the commercial operations date of the relevant Facilities, the Network Users may book FRF Capacity at the Entry Point of Stara Zagora (i.e. at B-IP), to be transported up to the Exit Point(
3. s)of Komotini (i.e. at D-IP and/or T-IP, as the case may be). FRF Capacity, is subject to Entry Point Transmission Tariff and Exit Point Transmission Tariff (ENTFRF and EXTFRF, respectively) as defined pursuant to articles 4.4 and 5.4 of ANNEX C -. The booking procedure for FRF Capacity shall comply with the provisions of Article 10.3 and NC CAM. 26 June 2022 7.3 Interruptible Forward Flow From COD, the Network Users may book Interruptible Forward Flow (IFF) capacity (IFF Capacity at the Entry Point(
4. s)of Komotini (i.e. at D-IP and/or T-IP as the case may be), but only if no FFF Capacity is available. Notwithstanding the interruptible nature of IFF Capacity, the following provisions shall apply to the Network User who has been allocated IFF Capacity. IFF Capacity is subject to Entry Point Transmission Tariff and Exit Point Transmission Tariff (ENTIFF and EXTIFF, respectively) as defined pursuant to article 4.2 and article 5.2 of ANNEX C -. The booking procedure for IFF Capacity shall comply with the provisions of Article 10.3 and NC CAM. 7.4 Interruptible Reverse Flow From COD, the Network Users may book Interruptible Reverse Flow (IRF) capacity (IRF Capacity at the Exit Points of Komotini (i.e. at D-IP and/or TIP, as the case may be). From COD, the Network Users may book IRF Capacity at the Entry Point of Stara Zagora (i.e. at B-IP). Subject to the preceding sentences of this Article 7.4, all Network User who booked IRF Capacity may deliver Gas at the Entry Point of Stara Zagora and off-take gas at the Exit Point of Komotini. IRF Capacity, is subject to Entry Point Transmission Tariff and Exit Point Transmission Tariff (ENTIRF and EXTIRF, respectively) as defined pursuant to article 4.3 and article 5.3 of ANNEX C -. The booking procedure for IRF Capacity shall comply with the provisions of Article 10.3 and NC CAM. 7.5 Entry Point Specification The compliance of the delivered gas with the Entry Point Gas Specification shall be continuously monitored by the ICGB at each Interconnection Point. For any deviation from the Entry Point Gas Specification, Network Users shall be notified by the ICGB and shall give to ICGB the right to reduce or to interrupt the Transmission Service in case such deviations may affect, in the reasonable opinion of the ICGB, integrity or safety of operation of the IGB Pipeline. 7.6 Services provided by the ICGB Without prejudice to any other provision of this INC, the relevant GTA (if any) and/or the VTA Agreement, this Article 7.6 summarises the services provided by the ICGB: Uninterruptible service 27 June 2022 The Reserved Capacity or the Booked Capacity, in each case when relating to FFF Capacity or FRF Capacity, shall not be interrupted if the following requirements are satisfied: (
5. a)the Gas at any Entry Point(
6. s)is compliant with the Entry Point Specification

Article 22

.5; (

1. b)the Gas Quantities are confirmed through the relevant confirmation at each Interconnection Point and each Exit Point to the Distribution and/or Other System(s), pursuant to Article 13; (
2. c)the Gas Days are outside the maximum permitted yearly interruption foreseen in the ICGB’s Annual Plan (as such is set and updated

Article 4.1.1); and (d) reduction or interruption is not caused by a Force Majeure Event.

Capacity booking (a) The process of capacity booking shall be implemented through the Platform. The ICGB shall calculate and publish the Available Capacity at the Interconnection Points and Exit Points to the Distribution and/or Other System(s), define and administer the procedure with which the Network User requests capacity, allocate capacity (

the Exemption Decision and/or NC CAM provisions, as the case may

1. be)and execute the relevant GTA(s). (
2. b)The ICGB shall manage the allocation of Gas between the Network Users, where the Network Users share ownership of the Gas flowing through the same Metering Station. VTP access Subject to having entered into the VTP Agreement with the ICGB

Article 9

.3 and provision of the Network User Credit Support

the Article 29, the ICGB shall offer to a Network User access to the VTP (via the IGB Digital Support). For the avoidance of doubt, it is not required for the Network User to enter into a GTA in order to obtain an access to the VTP. Provisional Network User Allocation and Final Allocation The ICGB shall determine and transmit to the Network User the Provisional Network User Allocation and provide the Final Allocation

Article 16. Any Capacity Overruns shall be determined by the Final Allocation.

In case of two or more Non-Exempted Network Users incurring Capacity Overrun in relation to the same Exit Point to the Distribution and/or Other System(s), the total Capacity Overrun of all Non-Exempted Network Users for such Exit Point will be pro-rated between those Non-Exempted Network Users. 28 June 2022 Information data The ICGB shall administer the data relating to the transportation activities on the IGB Pipeline, including those related to the Network User’s Nominations, through the IGB Digital Support described in Article 4.

1. Data that are to be exchanged via IGB Digital Support are described in Article
2. Balancing The ICGB shall calculate and apply Daily Imbalance Charges, as described in Articles 16 and 17 and further elaborated in the relevant GTA. Gas metering The ICGB shall be responsible for measurement data acquisition and validation and for forwarding of such data to the Network User

Article 23.3.

Gas quality The ICGB shall measure the Gas Characteristics and verify compliance with the Entry Point Specification and Exit Point Specification (

Article 22

), such as those necessary to calculate energy (Gross Calorific Value GCV) and those related to the control of chemical and physical characteristics of Natural Gas. IGB Pipeline interventions The ICGB shall perform periodic inspections, control and maintenance, which may cause interruption or reduction of the transportation capacity of the IGB Pipeline. These activities can be either planned or may become necessary without planning if anomalous or unforeseen situations or emergencies occur. The planning of interventions is described in Article 4.1.1. Management of service emergencies The ICGB shall have its own code for emergency management, to be implemented

Article 31

. Gas shortages

the emergency procedures to be implemented

Article 31

, the ICGB shall monitor and/or act to address emergency situations resulting from an increase in demand, which cannot be covered by supply. 29 June 2022 8. INTERRUPTIONS Without limiting ICGB´s rights to suspend its performance under other provisions of this INC (including, without limitation, under Article 21.2.6, Article 25.5, Article 29, Article 0 and Article 31), the provision of the Transmission Service shall subject to interruption by the ICGB (without any liability whatsoever)

this Article 8. 8.1 Interruptions in provision of the Transmission Services (

1. a)In order to ensure implementation of the contracted FFF Capacity or FRF Capacity, ICGB shall be entitled to interrupt (partially or fully) provision of the Transmission Services in connection with the IRF Capacity and the IFF Capacity. (
2. b)The ICGB shall be entitled to interrupt provision of the Transmission Services in connection with the IRF Capacity when the total of the nominations confirmed for the Network Users at the Entry Point – Exit Point in the Firm Forward Flow (FFF) and the Interruptible Forward Flow (IFF) is less than the total of nominations confirmed for the Network Users in the Firm Reverse Flow (FRF) and the Interruptible Reverse Flow (IRF). (
3. c)The ICGB shall be entitled to interrupt provision of the Transmission Services in connection with the FFF Capacity, the FRF Capacity, the IRF Capacity and/or the IFF Capacity in case of Scheduled Maintenance and unplanned maintenance or repair works (including those caused by full or partial outage) on the IGB Pipeline and/or the ICGB´s Facilities which shall lead to a capacity reduction at the relevant Entry Point - Exit Point below the total of all confirmed nominations. (
4. d)The interruption of the IRF Capacity and the IFF Capacity shall be made based on time stamp with the IRF Capacity or IFF Capacity bought last shall be interrupted with priority. In case of the IFF Capacity or the IRF Capacity bought simultaneously, proportional reduction shall apply. For the purpose of implementation of this sub-clause, there the IRF Capacity and the IFF Capacity shall be treated as one. (
5. e)When executing Scheduled Maintenance and unplanned maintenance or repair works (including those caused by full or partial outage) on the IGB Pipeline and/or the ICGB´s Facilities, after the complete interruption of the IFF Capacity and the IRF Capacity and upon reporting the quantities nominated for transmission for the respective Gas Day, the ICGB shall reduce the FFF Capacity and FRF Capacity proportionally to the capacity booked by the Network Users for the respective affected Entry Point – Exit Point(
6. s)with a limited capacity, up to the complete interruption of their respective Reserved Capacity or Booked Capacity, if necessary. Save in case of unplanned maintenance or repair works (including those caused by full or partial outage), ICGB shall have the right to interrupt the provision of the Transmission Services for a period which will be published on ICGB website (the Maximum Period) which shall be in addition to the Days planned for interruption

the ICGB’s Annual Plan. For interruptions in the performance of the Transmission Services that are related to a portion of the maximum Daily Quantity (Partial Interruption), 30 June 2022 the ICGB shall have the right of Partial Interruption period, which will be published on ICGB website. The values for the parameters of the Maximum Period valid for annual, quarterly and monthly capacity bookings are published, for each Entry Point, at www.icgb.eu. The ICGB shall have the right to interrupt the provision of the affected Transmission Services (if any) in case of suspension of the relevant Platform activities, termination of the relevant Platform Agreement, or deactivation or deregistration of the Network User from the relevant Platform, in each case

the relevant Platform Agreement and/or other terms and conditions of the relevant Platform. 8.2 Interruption procedure In case of interruption due to the Scheduled Maintenance or interruption of interruptible capacity, the ICGB shall inform the relevant Network User of its intention to interrupt the provision of the Transmission Services

this Article 8, by providing the Network User with the date and duration of the Scheduled Maintenance or interruption of interruptible capacity, taking into account the minimum notice period. The ICGB shall publish the minimum notice period values for each Entry Point at www.icgb.eu. The ICGB, having notified the Network User of the length of the Scheduled Maintenance or interruption of interruptible capacity, may proceed with interruption without any further confirmation. The number of interruption Days notified, to the extent applicable

Articles 6.2 and 6.3 above, shall be subtracted from the Maximum Period for the Gas Year. The Maximum Period shall be in addition to the interruptions

the ICGB Annual Plan, as updated pursuant to Article 4.1.1.

article 33

Article 29

; and 32 June 2022 (

1. i)if wanting to supply Natural Gas to a Natural Gas Customer, a copy of the Natural Gas Supply Contract (including all attachments) with the Natural Gas Customer. If, during the registration process, any of the documents or information provided to the ICGB has changed or new document or information has become available, the applicant shall, promptly upon becoming aware of it, submit to the ICGB new or amended documentation and/or information. The ICGB shall have the right to require any further information or documentation or seek and obtain clarification from the applicant in relation to such new or amended documentation or information. The applicant shall fulfil the above requirements in digital form, with digital signatures, according to the forms downloadable from the ICGB’s website and reported in the IGB Digital Support User’s guide. In case of change to the applicable regulatory framework, the ICGB reserves the right to change required formats, documentation and information and post details concerning the new requirements on the ICGB website. 9.3 Acceptance of a Registered Party The ICGB shall assess and approve or reject submitted application for registration. If the application has been approved by the ICGB, the ICGB shall invite the applicant to sign the following agreements: (
2. a)a Gas Transportation Agreement; and/or (
3. b)a VTP Agreement. Upon the agreement(
4. s)set forth in Article 9.3.1 having been signed by the applicant and the ICGB, the applicant shall become the Registered Party. The ICGB shall provide the Registered Party with: (
5. a)amount of the Network User Credit Support

Network User Credit Support provisions of Article 29; (

1. b)where appropriate, the access to the VTP (via the IGB Digital Support) and the Booking Account Code of the Registered Party for any auction participation pursuant to Article 10. The Registered Party shall pay the Registration Fee. ICGB will keep a register of all Registered Parties. 9.4 Material Change in Registered Party`s Circumstances Following registration, each Registered Party shall, promptly upon becoming aware of any such material change, provide a notice to the ICGB identifying any material change to the information or documentation provided by it as part of the registration process set out in Articles 9.2 and 9.3 above. Each Registered Party that so notifies the ICGB shall (
2. a)within five

Article 9

.4.2, the ICGB shall assess if the relevant Registered Party still meets all registration requirements. If the ICGB determines that all registration requirements are met, it will notify the Registered Party that its registration continues uninterrupted. If the ICGB determines that one or more of the registration requirements are not met, the ICGB shall promptly notify the Registered Party that its registration has been cancelled as of the date to be set out by the ICGB in such notice. 9.5 Cancellation of Registration In addition to the ICGB right of cancellation under Article 9.4.3 above, the cancellation of registration can occur in the following cases: (

1. a)a Registered Party may request to cancel its registration by giving written notice to the ICGB. The ICGB shall approve proposed cancellation of the registration if, as of the date of the Registered Party´s notice, such Registered Party has no Reserved Capacity and/or, as it may be the case, no Booked Capacity and all of its monetary and other obligations towards the ICGB under the GTA (if any), the INC and the Ancillary Contracts (if any) have been fulfilled; or (
2. b)unless there are one or more other GTAs with such Registered Party that remain in force, the ICGB may cancel registration in case of termination of the GTA

its terms or

Article 25

of this INC; or (c) the ICGB may cancel registration in case of termination of the VTP Agreement or any other Ancillary Contract,

its terms. The ICGB shall, within 20 Business Days of receipt of the Registered Party´s notice under Article 9.5.1(

1. a)above or termination under Article 9.5.1(
2. b)or (
3. c)above, remove that Registered Party from the registry of Registered Parties and confirm in writing to such Registered Party that it is no longer a Registered Party. Upon cancellation of the registration, the ICGB shall, within 30 days of becoming satisfied that all amounts due and payable by such Person under the GTA (if any), this INC and all Ancillary Contracts (if any) have been irrevocably discharged in full and no further amounts will or are likely to become due, return to such Person the then available Network User Credit Support (if any). 34 June 2022 10. IGB BOOKING PROCEDURE For booking of the Available Capacity, the Registered Parties (including the Exempted Network Users, if willing to book additional capacity) may participate at the auctions pursuant this Article 10 and, as a condition to any booking activity, the terms and conditions of the Platform Agreement. Where the provisions of this Article 10 conflict with the Platform Agreement (or any other relevant terms and conditions of the Platform), the Platform Agreement (respectively the terms and conditions of the Platform) shall apply. 10.1 Dominant players’ booking limitations according to the Exemption Decision Any Registered Party shall comply with the provisions of ANNEX B of this INC and article 4.4 paragraphs 2 and 3 of the Exemption Decision. 10.2 Available Capacity to be booked In respect of the Capacity Products set out in Articles 7.1 to 7.4 above, the ICGB shall offer to the Registered Parties the Available Capacity for each Capacity Product (expressed in kWh/D) for Gas transportation on the IGB Pipeline at each Interconnection Point and each Exit Point to the Distribution and/or Other System(
4. s)according to the provisions of NC CAM and this INC. The Available Capacity shall be calculated net of (
5. a)the Exempted Capacity and (
6. b)already Booked Capacity, on the basis of the technical limits of the IGB Pipeline, the actual conditions of the Interconnection Points and the Exit Points to the Distribution and/or Other System(s), the actual conditions of the Interconnected Systems, respectively, and

Article 14

. The following capacity products shall be offered via the Platforms, through auctions described in this Article 10: Yearly Capacity Products • Yearly Firm Forward Flow (FFF) Capacity, • Yearly Interruptible Forward Flow (IFF) Capacity, • Yearly Interruptible Reverse Flow (IRF) Capacity shall be offered for periods corresponding to one or more Gas Years, not necessarily sequential, up to a maximum of fifteen

NC CAM following ENTSOG Auction Calendar. The Network User shall receive from ICGB a confirmation of access to the relevant Platform after it has become Registered Party and has entered into the Platform Agreement with the relevant Platform. Platforms The ICGB shall conduct auctions for Capacity Products on the following Platforms, as follows: (

1. a)for the Interconnection Point between the ICGB and the DESFA at Komotini (Greece), auctions for Capacity Products will be conducted by PRISMA; 36 June 2022 (
2. b)for the Interconnection Point between the ICGB and the TAP at Komotini (Greece), auctions for Capacity Products will be conducted by PRISMA; (
3. c)for the Interconnection Point between the ICGB and Bulgatransgaz at Stara Zagora (Bulgaria), auctions for Capacity Products will be conducted by RBP; and (
4. d)for the Exit Points to the Distribution and/or Other System(s), auctions for Capacity Products will be conducted by RBP. ICGB validation or other approval of Network User for the Platform purposes For the purpose of the Platform´s requirements and processes, the ICGB shall assess and, if so determined by the ICGB, validate or otherwise approve the Network User. Financial / credit limit The Capacity Booking Minimum Credit Limit for a Non-Exempt Network User is set out in its GTA. Ascending Clock Auction (
5. a)Each of the FFF Capacity, IFF Capacity, IRF Capacity and FRF Capacity shall be auctioned using an ascending clock auction algorithm, on contractual terms from a Gas Year to a Month,

the Platform's terms and conditions and the relevant procedure set out

NC CAM. (b) The Available Capacity for each Capacity Product shall comply with the provisions of the Exemption Decision, with the priority from annual to monthly Capacity Products, and adjusted

Article 14

. Rolling monthly capacity auctions (a) Each of the FFF Capacity, IFF Capacity, IRF Capacity and FRF Capacity shall be auctioned using an ascending clock auction algorithm, on contractual terms equal to a Month,

the Platform's terms and conditions and the relevant procedure set out

NC CAM. (b) The Available Capacity for each Capacity Product shall comply with the provisions of the Exemption Decision, with the priority from annual to monthly Capacity Products and adjusted

Article 14

. Rolling day-ahead capacity auctions (a) The rolling day-ahead capacity auction shall be held once a Day based on a uniform-price auction algorithm. Rolling day-ahead capacity shall be auctioned on contractual terms equal to a Gas 37 June 2022 Day, as per the Platform, and the relevant procedures set out

NC CAM. (b) The Available Capacity shall comply with the provisions of the Exemption Decision, with the priority from annual to monthly Capacity Products, and adjusted

Article 14

. Within-day capacity auctions Subject to the Available Capacity being made available, a within-day capacity auction shall be held every hour during a Gas Day based on a uniform-price auction algorithm. Within-day capacity shall be auctioned for contractual terms equal to an hour, as per the Platform rules, and the relevant procedures set out

NC CAM. 10.4 Virtual Trading Point Any Network User may trade title of Gas at the Virtual Trading Point. The Virtual Trading Point shall be used for trading short term standardised products for delivery on a “within day” or “day ahead” basis. Trade Notifications at Virtual Trading Point (a) A Network User may trade Gas by submitting a Trade Notification to the ICGB

the Nomination timetable set in Article 13.3. Trade Notification must be submitted to the ICGB by both parties involved in the transaction. (

1. b)A Trade Notification shall provide the following information: (
2. i)that it is a notification for trading at the Virtual Trading Point, with a specification as to whether it is a disposing Trade Notification or an acquiring Trade Notification; (
3. ii)the Network User's Booking Account Code; (iii) the Network User counterparty's booking account; (
4. iv)the Gas Day to which the trade applies; and (
5. v)the quantity of Natural Gas to be traded, being a positive quantity for a purchase or a negative quantity for a sale in units of kWh per Gas Day. (
6. c)A Network User shall be responsible for correct submission of Trade Notifications for the Gas quantities it wishes to trade via the VTP. (
7. d)The time period for a Network User to submit a Trade Notification to the ICGB is the same as for submitting Nominations and Re-nominations. 38 June 2022 (
8. e)The ICGB will perform a matching process at the Virtual Trading Point. In case, during the Matching Process, the Gas quantities stated in the Trade Notifications of the Pair of Network Users are not equal, the ICGB shall apply the lower quantity specified in the relevant Trade Notification as Confirmed Quantity. In case, during the Matching Process, the quantities stated in the Trade Notifications of the Pair of Network Users are not the equal, then there is a "mismatch" and the Processed Quantities will be zero. (
9. f)After the end of matching process, ICGB will send confirmations with the details on Confirmed Quantities to each relevant Network User. VTP trade and balancing 10.5 (
10. a)Any Network User trading on the VTP shall be subject to the balancing rules set in this INC. (
11. b)Quantities of Natural Gas that were the subject of a transaction at the VTP between Network Users and were confirmed by the ICGB

Article 10

.4.1(

1. f)shall be allocated to Network Users and shall be taken into account in the calculation of the daily gas imbalance position. Change of Natural Gas supplier A Natural Gas Customer may, at any time, change its supplier(
2. s)of Natural Gas. Any Network User under an existing GTA may become a new supplier of Natural Gas to the Natural Gas Customer. In case of change of the supplier(s), the Natural Gas Customer shall follow the following procedure: The Natural Gas Customer who wishes to change the Natural Gas supplier(
3. s)shall, at least three

the requirements set in Articles 9.2 and 9.3 and have a GTA signed with the ICGB, (

1. b)cannot have any financial 39 June 2022 obligations towards the ICGB that remained (fully or partially) outstanding following the due date; In case of the Natural Gas Customer switching to more than one new supplier or changing the original supplier(
2. s)only in relation to a portion of the Natural Gas quantities (Partial Change of Supplier), the provisions of Article 10.5.1(
3. a)and (
4. b)and Article 10.5.2 shall apply to each such original and new supplier; Capacity transfer at the Exit Point(
5. s)to the Distribution and/or Other System(s)shall be made from the original supplier to the new supplier bilaterally, by way of using the relevant Platform. In case of Partial Change of Supplier, the same (process) requirements apply. RBP shall be used in connection with transfer of capacity at the Exit Point(
6. s)in the Republic of Bulgaria. PRISMA will be used in connection with the transfer of capacity at the Exit Point(
7. s)in the Republic of Greece. The procedure set out in Article 14.3 of this INC shall apply to each capacity transfer; Upon Partial Change of Supplier, the ICGB shall transfer capacity from the original supplier(
8. s)to the new supplier(
9. s)in relation to the time period requested by the Natural Gas Customer in its notice to the ICGB. The Capacity Product that is closest to covering the entire requested period shall be transferred first. If, following such capacity transfer, there is residual capacity that has not been transferred, the Capacity Product that covers it most accurately will be transferred next. This process will continue until the capacity for the entire requested period has been fully transferred; Capacity transfer associated with the change of the supplier (irrespectively whether Partial Change of Supplier or not) shall become effective on the first Gas Day of the Gas Month, following the Month when the Natural Gas Customer´s request has been received by the ICGB. 40 June 2022 11. NETWORK USER’S AWARD 11.1 Types of algorithms Network Users bidding in the auction procedure pursuant to Article 10 may be awarded

procedure set by the Platform. Procedures may follow either ascending clock auction algorithm or uniform-price auction algorithm, as the case may be pursuant to Article

1. Where the provisions of this Article 0 conflict with the Platform Agreement (or any other relevant terms and conditions of the Platform), the Platform Agreement (respectively the terms and conditions of the Platform) shall apply. 11.2 Ascending clock auction algorithm (ACAA) All Network Users who have placed a valid Volume Bid at the ACAA Clearing Price shall be allocated the capacity according to their respective Volume Bids at the ACAA Clearing Price. Where "incremental capacity" is offered, the allocation of such "incremental capacity" shall be subject to the outcome of the economic test according to article 22 (Economic test) of NC CAM. Successful Network Users shall pay the ACAA Clearing Price of the specific auction, which may be a fixed price, or a price based on the floating payable price approach (as set out in article 24 of NC TAR), together with any other charges applicable at the time when the capacity allocated can be used. 11.3 Uniform-price auction algorithm (UPAA) The ICGB shall rank all Price Bids relating to a given Capacity Product with the highest Price Bid ranking first. Allocation of the Available Capacity shall follow the ranking down to saturation of the capacity offered. Last ranked bidders shall be allocated the remaining capacity after the bidders offering the higher Price Bids have been satisfied. If several bidders are ranked equally at the UPAA Clearing Price and the amount of the relevant capacity remaining (which has been applied for under such bids exceeds the remaining unallocated capacity), then the remaining unallocated capacity shall be allocated among those equally ranking bidders on a pro-rata basis, according to the amounts applied for in each Price Bid. The price payable by each successful Network User shall be the UPAA Clearing Price which may be a fixed price, or a price based on the floating payable price approach (as set out in article 24 of NC TAR), together with any other charges applicable at the time when the capacity allocated can be used. All remaining bidders who bid below the UPAA Clearing Price shall not be allocated capacity and their bids shall be considered as unsuccessful. 41 June 2022
2. CONTRACTUAL ARRANGEMENTS 12.1 Types of contractual arrangements

Article 9

.3, a Person has to sign: (

1. a)a GTA and a VTP Agreement - to become a Registered Party, to be able to use the Transmission Services (as a Network User) and to have access to and use the VTP (as a Network User); or (
2. b)a VTP Agreement only - to become a Registered Party and to have access to and use the VTP (as a Network User). . 42 June 2022 13. NOMINATION AND MATCHING PROCESS 13.1 Network User’s obligations The Network User shall perform the following obligations in relation to the Transmission Services: Nominations The Network User shall provide a Daily Nomination and/or a Trade Notification according to this Article 13, indicating the Gas Quantities to input at its Entry Point(
3. s)or to off-take from the IGB Pipeline at its Exit Point(
4. s)or Virtual Trading Point and communicate those Nominations to the ICGB according to the terms and conditions of this INC. Delivery During each Gas Day, the Network User shall deliver or arrange to be delivered to the Entry Point(s), Gas Quantities within the Reserved Capacity or the Booked Capacity (pursuant to Articles 6.4 or 6.5, as the case may be), in accordance to the Entry Point Specifications and the Entry Pressure set in Article 22. Off-take During the same Gas Day (as that referenced at Article 13.1.2), the Network User shall off-take from the Exit Point(s), Gas Quantities within the Reserved Capacity or the Booked Capacity (pursuant to Articles 6.4 or 6.5, as the case may be). 13.2 Daily Nomination Network User’s Daily Nomination (
5. a)The Network User shall specify the actual Gas Quantities by submitting a Nomination to the ICGB (via IGB Digital Support); (
6. b)The Network User shall submit a Nomination for Gas Day D no later than 13:00 UTC (winter time) or 12:00 UTC (daylight saving) on Gas Day D-1; (
7. c)The last Nomination received by the ICGB from a Network User before the Nomination deadline shall be taken into account by the ICGB; (
8. d)In the absence of a valid Nomination sent by the Network User before the Nomination deadline, Nominated Quantity shall be deemed to be zero. The aggregate of the Nominated Quantities which are specified by the Network User in a Daily Nomination shall not be greater than its Daily Reserved Capacity or Daily Booked Capacity for that Day. Where a notice of Scheduled Maintenance has been given by the ICGB in respect of a Day, the aggregate of the Nominated Quantities specified by the Network User in a Daily Nomination in respect of that same Day shall not exceed the Maintenance capacity Reduction applicable to such notice. 43 June 2022 13.3 Matching Process After the Nomination deadline and at the end of each Re-nomination cycle, the ICGB and each Adjacent TSO will commence the Matching Process in respect of each relevant Interconnection Point, where the ICGB will initiate the Matching Process. (
9. a)If a Network User's Nominations exceed its Daily Booked Capacity or Daily Reserved Capacity, the ICGB will reduce that Network User's Nominated Quantities at the relevant Interconnection Point before using them for the purpose of the Matching Process so that they are equal to the Daily Booked Capacity or the Daily Reserved Capacity. (
10. b)If a Network User