Disclaimer This presentation contains forward-looking statements regarding future events and the future results of Eni that are based on current expectations, estimates, forecasts, and projections about the industries in which Eni operates and the beliefs and assumptions of the management of Eni. In particular, among other statements, certain statements with regard to management objectives, trends in results of operations, margins, costs, return on equity, risk management and competition are forward-looking in nature. Words such as ‘expects’, ‘anticipates’, ‘targets’, ‘goals’, ‘projects’, ‘intends’, ‘plans’, ‘believes’, ‘seeks’, ‘estimates’, variations of such words, and similar expressions are intended to identify such forward-looking statements. These forward-looking statements are only predictions and are subject to risks, uncertainties, and assumptions that are difficult to predict because they relate to events and depend on circumstances that will occur in the future. Therefore, Eni’s actual results may differ materially and adversely from those expressed or implied in any forward-looking statements. Factors that might cause or contribute to such differences include, but are not limited to, economic conditions globally, the impact of competition, political and economic developments in the countries in which Eni operates, regulatory developments in Italy and internationally and changes in oil prices and in the margins for Eni products. Any forward-looking statements made by or on behalf of Eni speak only as of the date they are made. Eni does not undertake to update forward-looking statements to reflect any changes in Eni’s expectations with regard thereto or any changes in events, conditions or circumstances on which any such statement is based. The reader should, however, consult any further disclosures Eni may make in documents it files with the US Securities and Exchange Commission. 1 R&M Business Trends Mario Taraborrelli Chief Operating Officer Refining & Marketing Division London, 1th March, 2005 European Scenario Reduction of gasoline consumption Growth of diesel consumption Reduction of fuel oil consumption Widening heavy sour-light sweet crude differential Fuels quality Environment 3 Eni Strategy in R&M confirmed REFINING MARKETING Improve flexibility Improve diesel conversion ITALY Continuing retail network enhancement Improve fuel quality OTHER EUROPEAN COUNTRIES Expansion in selected regions EFFICIENCY Focus on costs 4 Refining Refining System in Europe Mton 43.4 39.6 3.2 Retail expansion areas Refineries 38.4 4.3 4.5 63% 56.7% 48.4% 40.2 35.3 33.9 1999 2004 2008 Throughput Italy Throughput Europe Conversion Index Balancing refining capacity vs retail sales Increasing conversion capacity 6 Improving Refining Performance Refineries in Italy Competitive conversion index 67% 61% 50% 1999 Increasing equity crude oil run 2004 29.4% 30.9% 1999 2004 2008 36.3 % Higher integration with E&P division 2008 7 Improving Refining Performance Improved diesel conversion in Italy ∆ 2008-2004 40.2 36% 14% 35.3 33.9 41% 44% 13% 11% Middle Distillate Fuel Oil 1999 2004 2008 Througput (Mton) 8 Investing in Refining Technology New units in Italy Sannazaro To be completed within 2005 Total Capex 2005-2008: Kton/y H.P. Hydrocracker Unit Tar Gasification 1500 500 BDA 1000 Taranto H.P. Hydrocracker Unit Kton/y 900 430 mln € 9 Retail Network Retail Sales in Europe bln lt Drivers in marketing Network enhancement Expansion abroad Improve fuel quality 18.5 3.0 18.4 19.1 4.4 7.1 (mln lt/ss) 2.8 1.7 2.0 15.5 14.0 12.0 1999 2004 2008 Italy Other Europe Average throughput 11 Network Enhancement 1999 2004 2008 10,814 9,138 6,870 • Agip Brand Italy 5,961 4,329 4,270 • European Network 1,389 1,894 2,600 • IP Brand 3,484 2,915 -- Service stations (n.) Non oil activities from 50% of service stations in ‘04 to 81% in ‘08 Ongoing bid for IP disposal 12 Improving Retail Performance Italy 100 1.6 1999 126 140 2.8 1.9 Agip Brand 2.6 2004 2008 (mln lt/s.s.) 180 Other European Regions 100 2.2 1999 Productivity index ( kton/man) 117 2.4 2004 2.8 2008 Average Throughput 13 Premium Products (Brand named) Better environmental ( sulphur free) and engine performance Target for BluDiesel >20% of gasoil sales Target for BluSuper >12 % of gasoline sales High quality lube oils 14 Capital Expenditure Mln €/y Excluding portfolio operations 625 509 53% 47% 47% 53% 1996 2000 680 600 35% 35% Safety, maintenance and environment 65% 65% Development 2004 A v. 05-08 15