Glossary

AEEGSI

Electricity, Gas and Water System Authority.

Borsa Italiana

Borsa Italiana S.p.A.

CDP

Cassa Depositi e Prestiti S.p.A.

CDP RETI

CDP RETI S.p.A.

Code of Corporate Governance

the code of corporate governance for listed companies approved in July 2001 by the Corporate Governance Committee, as subsequently amended in July 2014. The text is available at: http://www.borsaitaliana.it/comitato-corporate-governance/codice/2014cleaneng.en.pdf.

Consob

Commissione Nazionale per le Società e la Borsa (the Italian Securities and Exchange Commission).

Subsidiaries

The following subsidiaries of Snam:

• Gasrule Insurance Limited; GNL Italia S.p.A.; Snam Rete Gas S.p.A.; Società Italiana per il Gas per azioni - Italgas; and Stoccaggi Gas Italia S.p.A. - Stogit, (known collectively as the “Direct Subsidiaries”);
• ACAM Gas S.p.A., Compagnia Napoletana di Illuminazione e Scaldamento col Gas S.p.A. – Napoletanagas.

Legislative Decree 231/2001

Legislative Decree No. 231 of 8 June 2001, “Rules governing administrative responsibility of legal entities, companies and associations, including those without legal personality, pursuant to Article 11 of Law No. 300 of 29 September 2000”.

Executive Responsible for preparing corporate accounting documents

Executive Responsible for preparing corporate accounting documents pursuant to Article 154-bis of the TUF.

Issuer

Snam.

Eni

Eni S.p.A.

Anti-Corruption Laws

The provisions of the Italian Criminal Code on corruption, Law No. 190 of 6 November 2012, Law No. 69 of 27 May 2015, Legislative Decree 231/2001 and other measures in force, the FCPA, the UK Bribery Act, other public and commercial laws against corruption in force worldwide and international anti-corruption treaties, such as the OECD Convention on Combating Bribery of Foreign Public Officials in International Business Transactions and the United Nations Convention against Corruption.

MTA

Mercato Telematico Azionario (the electronic stock exchange organised and managed by Borsa Italiana S.p.A.).

Unbundling Regulation

European and national provisions on functional and/or ownership unbundling that apply to all operators in the electricity and natural gas sectors. In particular: Directive 2009/73/CE, Legislative Decree No. 93 of 1 June 2011 and Prime Ministerial Decree of 25 May 2012 concerning “Criteria, terms and conditions for the adoption by Snam S.p.A. of the ownership unbundling model pursuant to Article 15 of Law No. 27 of 24 March 2012”.

Watch Structure

supervisory body established pursuant to Legislative Decree 231/2001.

RAB

Regulatory Asset Base.

Issuer Regulations

Regulations issued by Consob by means of Resolution 11971 of 14 May 1999, as amended, on the subject of issuers.

Regulations on Related-Party Transactions

Regulations issued by Consob by means of Resolution No. 17221 of 22 March 2010, as amended, on the subject of related-party transactions.

Report

this report on corporate governance and ownership structure pursuant to Article 123-bis of the TUF.

The Company’s website

www.snam.it

External Auditors

Reconta Ernst & Young S.p.A.

Snam (or the “Company”)

Snam S.p.A.

Consolidated Finance Act (or TUF)

Legislative Decree No. 58 of 24 February 1998, as amended.