The Snam share is present in several financial and sustainability indexes, both national and international.




FTSE mib The FTSE MIB is the primary benchmark Index for the Italian equity markets. The Index is comprised of highly liquid, leading companies across ICB sectors in Italy. The FTSE MIB Index measures the performance of 40 Italian equities and seeks to replicate the broad sector weights of the Italian stock market.

FTSE Italia All-Share

FTSE Italia All-Share The Index comprises of all constituents in the FTSE MIB, FTSE Italia Mid Cap and FTSE Italia Small Cap indices.

DJ Euro Stoxx 50

DJ Euro Stoxx 50 The EURO STOXX 50 Index, Europe's leading Blue-chip index for the Eurozone, provides a Blue-chip representation of supersector leaders in the Eurozone. The index covers 50 stocks from 12 Eurozone countries: Austria, Belgium, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, the Netherlands, Portugal and Spain.

DJ Stoxx 600 Utilities

DJ Stoxx 600 Utilities The STOXX Europe 600 Index is derived from the STOXX Europe Total Market Index (TMI) and is a subset of the STOXX Global 1800 Index. With a fixed number of 600 components, the STOXX Europe 600 Index represents large, mid and small capitalization companies in the utilities sector across 18 countries of the European region: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.



Dow Jones Sustainability World Index

Dow Jones Sustainability World IndexIn November 2022, Snam stock has been included for the thirteenth time in the Dow Jones Sustainability World Index of S&P Global, the most important global stock exchange index for assessing corporate social responsibility. The result, equal to 87 points (in line vs 2021), places the company in third place in its subsector, after the best performer (91 points). 


FTSE4GoodFollowing the December 2022 Index Review, FTSE International has informed that Snam has been independently assessed according to the FTSE Environmental, Social, Governance (ESG) methodology and it has been reconfirmed with a score of 3.8 out of 5 in the FTSE4Good Index Series, where the company has been listed since 2002.

FTSE4Good was created by the FTSE Group to facilitate investments in companies that meet globally recognised corporate responsibility standards and constitutes an important reference point for the establishment of benchmarks and ethical portfolios. Companies in the FTSE4Good Index have met stringent environmental, social and governance criteria, and are therefore potentially better positioned to capitalise on the benefits of responsible business practice.



In October 2022 the Snam stock was confirmed in the two MSCI World ESG and MSCI ACWI ESG indices with the score AA (vs A in 2021).

MSCI is a leading provider of investment decision support tools to investor globally, including asset managers, banks, hedge funds and pension funds. MSCI Global Sustainability Indexes include companies with high ESG ratings relative to their sector peers.



CDP driving sustainable economies

Snam has been confirmed among globally recognised companies included in the "A- List" from CDP (formerly the Carbon Disclosure Project). This index selects companies that stand out globally for their commitment and transparency in combating climate change.

This result witnesses Snam's efforts to reduce greenhouse emissions and manage climate risk. After committing, as one of the first in its industry, to achieving the objective of net zero Scope 1 and 2 CO₂ equivalent emissions by 2040, Snam has set targets for 2030 on indirect Scope 3 emissions, becoming the first energy infrastructure comny in the EU to set emission reduction targets for its suppliers and subsidiaries. Snam's commitment is in line with the target of limiting global warming to 1.5° C.


ET Index Research


ET Index Research, an independent research body, which ranks the world’s largest companies according to greenhouse gas emissions and disclosure, released its annual ET Carbon Rankings on 5 December and named Snam as an Industry Carbon Leader for 2016. Snam wins the award for ranking top of the SICS (Sustainability Industry Classification System) Oil and Gas (Midstream) Industry. The Engaged Tracking (ET) Carbon Rankings are compiled from publicly available emissions data taken from company sustainability reports, annual reports and websites. An ET Industry Carbon Leader is defined as the most carbon efficient company within its SICS Industry publishing complete Scope 1 & 2 data, as defined by the ET Carbon Ranking methodology.


United Nations Global Compact 100 (“GC 100”)

United Nations Global Compact 100 (“GC 100”)

On September 2014 Snam has been selected for inclusion in the United Nations Global Compact 100 (“GC 100”), a global stock index developed and released by the UN Global Compact in partnership with the research firm Sustainalytics.

The index lists the 100 companies which globally outstand for executive leadership commitment and consistent baseline profitability, as well as their adherence to the Global Compact’s ten principles, on human rights, labour, environment and anti-corruption issues. Besides Snam, only 4 Italian companies are included in the GC 100 index.



ECPISnam is included in five of the most important ECPI Ethical indexes. Since the 2008, Snam has been included in the following ECPI Ethical Indexes:


1. ECPI Global Developed ESG Best in class Equity
2. ECPI EMU Ethical Equity
3. ECPI Euro Ethical Equity
4. ECPI Euro ESG Equity
5. ECPI World ESG Equity


The certification was carried out by ECPI (now part of Mittel S.p.a., a company listed on the Milan stock exchange), a leading provider of sustainability research, ratings and indices since 1997. ECPI’s methodology consists of screening based on over 100 ESG indicators (environmental, social, governance, etc.) grouped into different macro categories (environmental strategy and management, products and production processes, stakeholder relations, Corporate Governance and compliance with international standards) to monitor more than 4,000 issuers.



OEKOM Research

Snam has been confirmed in 2021 at the "PRIME" level by ISS ESG, with a rating upgrade from B- to B. The assessment takes place every two years, the next one will be held in 2023. ISS ESG purchased the Oekom Research service, a leading international rating agency for socially responsible investments, which operates on behalf of institutional investors and financial services companies.


Stoxx Global ESG Leaders index

Stoxx Global ESG Leaders index

Snam has been listed since 2011 in the Stoxx Global ESG Leaders indices, a group of indices based on a fully transparent selection process of the performance, in terms of sustainability, of 1,800 companies worldwide. The ratings are calculated for three sub-areas – environmental, social and governance – and are then combined to form the overall index. The indices are managed by STOXX, the owner of some of the most important international stock indices, such as the STOXX 50.



vigeo vigeo vigeo

 Vigeo-Eiris, a leading european expert in the assessment of the Companies in the Corporate Social Responsibility (CSR) management, on July 2020 reconfirmed Snam in the following indices, which select the most advanced companies in the performance on environmental, social and governance issues:

  • - Euronext Vigeo Eiris World 120 (the 120 most advanced companies from Europe, North America and the Asia Pacific region)
  • - Euronext Vigeo Eiris Europe 120 (the 120 most advanced companies in Europe)
  • - Euronext Vigeo Eiris Eurozone 120 (the 120 most advanced companies in Eurozone region)



Ethibel Europe Ethibel Global Ethibel Global

On September 2019 Snam has been reconfirmed as a constituent of the Ethibel Sustainability Index (ESI) Excellence Europe and the Ethibel Sustainability Index (ESI) Excellence Global. Snam has been also reconfirmed for inclusion in the Ethibel PIONEER and Ethibel EXCELLENCE Investment Registers: this selection by Forum ETHIBEL ( indicates that the company can be qualified as a sector leader in terms of Corporate Social Responsibility (CSR).




On February 2023, Sustainalytics confirmed Snam in its ratings with a risk rating of 14.1 (15.9 in February 2022) and a ranking of first position out of 94 companies in the gas utility sector (2nd out of 93 in 2022). Sustainalytics is a global leader in ESG and Corporate Governance research and ratings and supports hundreds of the world’s foremost investors who incorporate ESG and corporate governance insights into their investment processes.


Glio/gresb ESG index


In 2021, for the first time, Snam has been included and awarded with an A rating in the GLIO/GRESB ESG public disclosure quality, an index that recognizes the transparency and the quality of the information provided by companies in the ESG area.

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21 February 2023 - 16:56 CET