Allocation of capacities between

Portugal and Spain

Madrid

30th April 2013

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Products and Auctions

4 types of Capacity Products, sold through 4 Auctions4 types of Capacity Products, sold through 4 Auctions

Products Auctions

Firm Yearly Products* Firm Yearly Products Auction

Firm Quarterly Products* Firm Quarterly Products Auction

Interruptible Yearly Products** Interruptible Yearly Products Auction

Interruptible Quarterly Products** Interruptible Quarterly Products Auction

(*) Include the two flow directions: from Portugal to Spain (PORESP) and from Spain to Portugal (ESPPOR).

(**) Include the flow directions: from Spain to Portugal (ESPPOR).

(*) Include the two flow directions: from Portugal to Spain (PORESP) and from Spain to Portugal (ESPPOR).

(**) Include the flow directions: from Spain to Portugal (ESPPOR).

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Capacities offered in the auction process

Q11 Oct 13 - 31 Dec 13

Q21 Jan 14 - 31 Mar 14

Q31 Apr 14 - 30 Jun 14

Q41 Jul 14 - 30 Sep 14

Firm Yearly Capacity

Firm Quarterly Capacity (minimum)1 0 0 0 0

Interruptible Yearly Capacity2

Interruptible Quarterly Capacity1,2 0 0 0 10.000

Q11 Oct 13 - 31 Dec 13

Q21 Jan 14 - 31 Mar 14

Q31 Apr 14 - 30 Jun 14

Q41 Jul 14 - 30 Sep 14

Firm Yearly Capacity

Firm Quarterly Capacity (minimum)1 0 0 0 35.000

(1) Quarterly capacity offered will be announced after the allocation of Yearly capacity, and will be made up of the capacity reserved at the beginning of the Process for Quarterly Products, plus the Yearly capacity not allocated.

(2) For any given period, no interruptible Product will be offered if less than 95.00% of firm capacity for the firm Product(s) for that period and flow direction has been allocated at the previous Firm Products Auctions.

Spain -> Portugal

45.000

20.000

Portugal -> Spain

60.000

4

Monthly available capacities NOT offered through the Auction Process (MWh/day)

Oct-13 Nov-13 Dec-13 Jan-14 Feb-14 Mar-14 Apr-14 May-14 Jun-14 Jul-14 Aug-14 Sep-14

Firm Monthly Capacity (minimum)1 0 0 0 0 0 0 0 0 0 0 0 0

Interruptible Monthly Capacity (minimum)1 10.000 0 0 0 0 0 0 10.000 10.000 0 0 0

Oct-13 Nov-13 Dec-13 Jan-14 Feb-14 Mar-14 Apr-14 May-14 Jun-14 Jul-14 Aug-14 Sep-14

Firm Monthly Capacity (minimum)1 35.000 0 0 0 0 0 0 35.000 35.000 0 0 0

(1) Monthly capacity will be made up of the capacity not included in the Auction process, plus the Quarterly capacity not allocated.

Spain -> Portugal

Portugal -> Spain

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Information Memorandum – contents (I)

1. Background2. 2013 Auctions3. Description of capacity Products

1. Bundled Capacity2. Virtual Interconnection Point3. Products4. Units and reference conditions

4. Qualification Process1. Pre-qualification Phase2. Qualification Phase for firm Yearly Products Auction3. Qualification Phase for firm Quarterly Products Auction4. Capacity Application Guarantees

5. Capacities offered1. Existing contracts2. Calculation of capacities

6. 2013 calendar7. Auction Process

1. General principles2. Bidding Windows3. Bidding Forms4. Allocation Methodology5. Emergency Procedure

1. Background2. 2013 Auctions3. Description of capacity Products

1. Bundled Capacity2. Virtual Interconnection Point3. Products4. Units and reference conditions

4. Qualification Process1. Pre-qualification Phase2. Qualification Phase for firm Yearly Products Auction3. Qualification Phase for firm Quarterly Products Auction4. Capacity Application Guarantees

5. Capacities offered1. Existing contracts2. Calculation of capacities

6. 2013 calendar7. Auction Process

1. General principles2. Bidding Windows3. Bidding Forms4. Allocation Methodology5. Emergency Procedure

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Information Memorandum – contents (II)

8. Obligations of the entities in charge of supervising and organizing the auctions

1. Auctions supervision2. Auctions organization

9. Price1. Regulated tariff2. Auction premium3. Revenue split: capacity premium payments

10. Transfer of capacity in the secondary market11. Other

1. Fee to cover the auction costs2. Interoperability issues3. Gas day4. Anti-hoarding mechanism5. Allocation of spare capacities at the VIP after the

Auction Process6. Invalidity of an Article

12. Coordinated Auction OfficeAppendixes

8. Obligations of the entities in charge of supervising and organizing the auctions

1. Auctions supervision2. Auctions organization

9. Price1. Regulated tariff2. Auction premium3. Revenue split: capacity premium payments

10. Transfer of capacity in the secondary market11. Other

1. Fee to cover the auction costs2. Interoperability issues3. Gas day4. Anti-hoarding mechanism5. Allocation of spare capacities at the VIP after the

Auction Process6. Invalidity of an Article

12. Coordinated Auction OfficeAppendixes

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Information Memorandum

Appendices

1. Pre-qualification Form to participate the Auction Process

2. Agreement to participate in the Auction Process

3. Confidentiality and Non-collusion Agreement

4. Statement of Single Shipper per companies belonging to the same group

5. TSO’s Adhesion Agreement

6. Enagás Standard Contract

7. REN Standard Contract

8. Enagás First Demand Bank Guarantee model

9. REN First Demand Bank Guarantee model

10. Qualification Form for the Firm Yearly Products Auction

11. Qualification Form for the Firm Quarterly Products Auction

12. Bidding Form for the Firm Yearly Products Auction

13. Bidding Form for the Firm Quarterly Products Auction

14. Bidding Form for the Interruptible Products Auctions

Information Memorandum

Appendices

1. Pre-qualification Form to participate the Auction Process

2. Agreement to participate in the Auction Process

3. Confidentiality and Non-collusion Agreement

4. Statement of Single Shipper per companies belonging to the same group

5. TSO’s Adhesion Agreement

6. Enagás Standard Contract

7. REN Standard Contract

8. Enagás First Demand Bank Guarantee model

9. REN First Demand Bank Guarantee model

10. Qualification Form for the Firm Yearly Products Auction

11. Qualification Form for the Firm Quarterly Products Auction

12. Bidding Form for the Firm Yearly Products Auction

13. Bidding Form for the Firm Quarterly Products Auction

14. Bidding Form for the Interruptible Products Auctions

Documentation

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Qualification Process

In order to participate in an Auction, Shippers shall be accredited as Qualified Shippers for that Auction.

The Qualification Process will include two phases:

1. the Pre-qualification Phase, common to all Auctions to be held in 2013, and

2. the Qualification Phase, only required for firm products Auctions.

In order to participate in an Auction, Shippers shall be accredited as Qualified Shippers for that Auction.

The Qualification Process will include two phases:

1. the Pre-qualification Phase, common to all Auctions to be held in 2013, and

2. the Qualification Phase, only required for firm products Auctions.

Pre-qualification

Phase

Qualification Phase

Auction

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Pre-qualification

Phase

Common to all Auctions

Qualification Phase for

firm Yearly Products Auction

Firm Yearly Products Auction

Qualification Phase for

firm Quarterly Products Auction

Firm Quarterly Products Auction

Interrumptible Products Auctions (Yearly & Quarterly)

3rd-7th June3rd-7th June 13th-24th June

13th-24th June

27th-28th

June27th-28th

June3rd-12th

July3rd-12th

July16th-17th

July16th-17th

July22nd-23rd

July22nd-23rd

July

2013 Auctions

10

Tentative calendar (I)

11

Tentative calendar (II)

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Main changes regarding 2012’s auction process

Main differences on the provisions set in the Information Memorandum for this year’s auction process (document still subject to approval by NRAs):

1.Quarterly capacity products to be offered instead of monthly capacity products

2.Process to take place during the months of June and July with an extended time for both qualification phases (10 working days)

3.Minimum bid of 100 MWh/day will be accepted at each auction

4.Capacity not allocated after the auction process will be offered as monthly or daily capacity products in a First-Come-First-Served basis

Main differences on the provisions set in the Information Memorandum for this year’s auction process (document still subject to approval by NRAs):

1.Quarterly capacity products to be offered instead of monthly capacity products

2.Process to take place during the months of June and July with an extended time for both qualification phases (10 working days)

3.Minimum bid of 100 MWh/day will be accepted at each auction

4.Capacity not allocated after the auction process will be offered as monthly or daily capacity products in a First-Come-First-Served basis

Thank you for your attention!