Eni

Capital/Financing Update • Sep 7, 2023

NOT FOR DISTRIBUTION OR RELEASE IN OR INTO THE UNITED STATES OF AMERICA OR TO FOR THE ACCOUNT OR BENEFIT OF U.S. PERSONS OR IN OR INTO AUSTRALIA, JAPAN OR SOUTH AFRICA, OR ANY OTHER JURISDICTION IN WHICH SUCH DISTRIBUTION WOULD BE PROHIBITED BY APPLICABLE LAW (SEE "IMPORTANT NOTICE" BELOW).

This Press Release is for information purposes only and does not constitute an offer to sell or a solicitation of an offer to buy any securities and the offer of the Bonds (as defined below) does not constitute a public offering in any jurisdiction, including in Italy.

The Bonds will be offered to qualified investors only which include, for the purpose of this press release, professional clients and eligible counterparties. The Bonds may not be offered or sold to retail investors (as defined below). No Key Information Document under the PRIIPS Regulation has been nor will be prepared.

Eni announces the successful placement of its Sustainabilitylinked convertible bond

Rome, 7 September 2023 – Eni announces it has successfully placed an offering (the "Offering") of EUR 1 billion aggregate principal amount of a sustainability-linked senior unsecured convertible bond (the "Bonds"). The Bonds will be convertible into Eni existing ordinary shares bought under the share buyback programme approved by the Shareholders' Meeting held on 10 May 2023.

The Bonds will have a maturity of 7 years, will be issued at 100% of par and will pay an annual coupon of 2.95%.

The conversion price will be EUR 17.5513, representing a premium of 20% above the reference price of EUR 14.6261, which has been determined as the volume weighted average price of Eni ordinary shares on the regulated market of Borsa Italiana between today's opening of trading and the pricing of the Offering.

The Bonds will be linked to the achievement of sustainability targets related to Net Carbon Footprint Upstream (Scope 1 and 2) and renewable energy installed capacity, as detailed in the relevant terms and conditions.

The Bonds were placed with qualified investors and received total orders of about EUR 2.8 billion mainly from United Kingdom, France and Switzerland.

The settlement of the Bonds will occur on 14 September 2023.

Company Contacts:

Press Office: Tel. +39.0252031875 – +39.0659822030 Freephone for shareholders (from Italy): 800940924 Freephone for shareholders (from abroad): + 80011223456 Switchboard: +39-0659821

ufficio.stampa@eni.com segreteriasocietaria.azionisti@eni.com investor.relations@eni.com

Web site: www.eni.com

IMPORTANT NOTICE

NO ACTION HAS BEEN TAKEN BY THE ISSUER THE JOINT BOOKRUNNERS OR ANY OF THEIR RESPECTIVE AFFILIATES THAT WOULD PERMIT AN OFFERING OF THE BONDS OR POSSESSION OR DISTRIBUTION OF THIS PRESS RELEASE OR ANY OFFERING OR PUBLICITY MATERIAL RELATING TO THE BONDS IN ANY JURISDICTION WHERE ACTION FOR THAT PURPOSE IS REQUIRED. PERSONS INTO WHOSE POSSESSION THIS PRESS RELEASE COMES ARE REQUIRED BY THE ISSUER AND THE JOINT BOOKRUNNERS TO INFORM THEMSELVES ABOUT, AND TO OBSERVE, ANY SUCH RESTRICTIONS.

THIS PRESS RELEASE IS NOT FOR DISTRIBUTION, DIRECTLY OR INDIRECTLY IN OR INTO THE UNITED STATES OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS (AS DEFINED IN REGULATION S UNDER THE U.S. SECURITIES ACT OF 1933 (THE "SECURITIES ACT")). THIS PRESS RELEASE IS NOT AN OFFER TO SELL SECURITIES OR THE SOLICITATION OF ANY OFFER TO BUY SECURITIES, NOR SHALL THERE BE ANY OFFER OF SECURITIES IN ANY JURISDICTION IN WHICH SUCH OFFER OR SALE WOULD BE UNLAWFUL.

THE SECURITIES MENTIONED IN THIS DOCUMENT HAVE NOT BEEN AND WILL NOT BE REGISTERED UNDER THE SECURITIES ACT AND MAY NOT BE OFFERED, SOLD OR DELIVERED WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS (AS DEFINED IN REGULATION S UNDER THE SECURITIES ACT) ABSENT REGISTRATION OR AN EXEMPTION FROM THE APPLICABLE REGISTRATION REQUIREMENTS UNDER THE U.S. SECURITIES ACT. THERE WILL BE NO PUBLIC OFFER OF THE SECURITIES IN THE UNITED STATES OR IN ANY OTHER JURISDICTION.

THIS PRESS RELEASE AND THE OFFERING WHEN MADE ARE ONLY ADDRESSED TO, AND DIRECTED IN, THE UNITED KINGDOM AND MEMBER STATES OF THE EUROPEAN ECONOMIC AREA (THE "EEA") AT PERSONS WHO ARE "QUALIFIED INVESTORS" WITHIN THE MEANING OF THE PROSPECTUS REGULATION ("QUALIFIED INVESTORS"). FOR THESE PURPOSES, THE EXPRESSION "PROSPECTUS REGULATION" MEANS REGULATION (EU) 2017/1129 AND REGULATION (EU) 2017/1129 AS IT FORMS PART OF UNITED KINGDOM DOMESTIC LAW BY VIRTUE OF THE EUROPEAN UNION (WITHDRAWAL) ACT 2018 (THE "EUWA").

SOLELY FOR THE PURPOSES OF THE PRODUCT GOVERNANCE REQUIREMENTS CONTAINED WITHIN: (A) EU DIRECTIVE 2014/65/EU ON MARKETS IN FINANCIAL INSTRUMENTS, AS AMENDED ("MIFID II"); (B) ARTICLES 9 AND 10 OF COMMISSION DELEGATED DIRECTIVE (EU) 2017/593 SUPPLEMENTING MIFID II; (C) LOCAL IMPLEMENTING MEASURES IN THE EEA; (D) REGULATION (EU) NO 600/2014 AS IT FORMS PART OF UNITED KINGDOM DOMESTIC LAW BY VIRTUE OF THE EUWA ("UK MIFIR"); AND (E) THE FCA HANDBOOK PRODUCT INTERVENTION AND PRODUCT GOVERNANCE SOURCEBOOK (TOGETHER, THE "PRODUCT GOVERNANCE REQUIREMENTS"), AND DISCLAIMING ALL AND ANY LIABILITY, WHETHER ARISING IN TORT, CONTRACT OR OTHERWISE, WHICH ANY "MANUFACTURER" (FOR THE PURPOSES OF THE PRODUCT GOVERNANCE REQUIREMENTS) MAY OTHERWISE HAVE WITH RESPECT THERETO, THE BONDS HAVE BEEN SUBJECT TO A PRODUCT APPROVAL PROCESS, WHICH HAS DETERMINED THAT: (I) THE TARGET MARKET FOR THE BONDS IS (A) IN THE EEA, ELIGIBLE COUNTERPARTIES AND PROFESSIONAL CLIENTS ONLY, EACH AS DEFINED IN MIFID II AND (B) IN THE UNITED KINGDOM, ELIGIBLE COUNTERPARTIES (AS DEFINED IN THE FCA HANDBOOK CONDUCT OF BUSINESS SOURCEBOOK) AND PROFESSIONAL CLIENTS (AS DEFINED IN UK MIFIR); AND (II) ALL CHANNELS FOR DISTRIBUTION OF THE BONDS TO ELIGIBLE COUNTERPARTIES AND PROFESSIONAL CLIENTS ARE APPROPRIATE. ANY PERSON SUBSEQUENTLY OFFERING, SELLING OR RECOMMENDING THE BONDS (A "DISTRIBUTOR") SHOULD TAKE INTO CONSIDERATION THE MANUFACTURERS' TARGET MARKET ASSESSMENT; HOWEVER, A DISTRIBUTOR SUBJECT TO MIFID II OR THE FCA HANDBOOK PRODUCT INTERVENTION AND PRODUCT GOVERNANCE SOURCEBOOK IS RESPONSIBLE FOR UNDERTAKING ITS OWN TARGET MARKET ASSESSMENT IN RESPECT OF THE BONDS (BY EITHER ADOPTING OR REFINING THE MANUFACTURERS' TARGET MARKET ASSESSMENT) AND DETERMINING APPROPRIATE DISTRIBUTION CHANNELS.

THE TARGET MARKET ASSESSMENT IS WITHOUT PREJUDICE TO THE REQUIREMENTS OF ANY CONTRACTUAL OR LEGAL SELLING RESTRICTIONS IN RELATION TO ANY OFFERING OF THE BONDS.

FOR THE AVOIDANCE OF DOUBT, THE TARGET MARKET ASSESSMENT DOES NOT CONSTITUTE: (A) AN ASSESSMENT OF SUITABILITY OR APPROPRIATENESS FOR THE PURPOSES OF MIFID II OR UK MIFIR; OR (B) A RECOMMENDATION TO ANY INVESTOR OR GROUP OF INVESTORS TO INVEST IN, OR PURCHASE, OR TAKE ANY OTHER ACTION WHATSOEVER WITH RESPECT TO THE BONDS.

THE BONDS ARE NOT INTENDED TO BE OFFERED, SOLD OR OTHERWISE MADE AVAILABLE TO AND SHOULD NOT BE OFFERED, SOLD OR OTHERWISE MADE AVAILABLE TO ANY RETAIL INVESTOR IN THE EEA OR THE UNITED KINGDOM. FOR THESE PURPOSES, A RETAIL INVESTOR MEANS (A) IN THE EEA, A PERSON WHO IS ONE (OR MORE) OF: (I) A RETAIL CLIENT AS DEFINED IN POINT (11) OF ARTICLE 4(1) OF MIFID II; OR (II) A CUSTOMER WITHIN THE MEANING OF DIRECTIVE (EU) 2016/97, WHERE THAT CUSTOMER WOULD NOT QUALIFY AS A PROFESSIONAL CLIENT AS DEFINED IN POINT (10) OF ARTICLE 4(1) OF MIFID II AND (B) IN THE UNITED KINGDOM, A PERSON WHO IS ONE (OR MORE) OF (I) A RETAIL CLIENT, AS DEFINED IN POINT (8) OF ARTICLE 2 OF REGULATION (EU) NO 2017/565 AS IT FORMS PART OF UNITED KINGDOM DOMESTIC LAW BY VIRTUE OF THE EUWA OR (II) A CUSTOMER WITHIN THE MEANING OF THE PROVISIONS OF THE FINANCIAL SERVICES AND MARKETS ACT 2000 OF THE UNITED KINGDOM (THE "FSMA") AND ANY RULES OR REGULATIONS MADE UNDER THE FSMA TO IMPLEMENT DIRECTIVE (EU) 2016/97, WHERE THAT CUSTOMER WOULD NOT QUALIFY AS A PROFESSIONAL CLIENT, AS DEFINED IN POINT (8) OF ARTICLE 2(1) OF REGULATION (EU) NO 600/2014 AS IT FORMS PART OF UNITED KINGDOM DOMESTIC LAW BY VIRTUE OF THE EUWA.

CONSEQUENTLY, NO KEY INFORMATION DOCUMENT REQUIRED BY REGULATION (EU) NO 1286/2014, AS AMENDED (THE "PRIIPS REGULATION") OR THE PRIIPS REGULATION AS IT FORMS PART OF UNITED KINGDOM DOMESTIC LAW BY VIRTUE OF THE EUWA (THE "UK PRIIPS REGULATION") FOR OFFERING OR SELLING THE BONDS OR OTHERWISE MAKING THEM AVAILABLE TO RETAIL INVESTORS IN THE EEA OR THE UNITED KINGDOM HAS BEEN PREPARED AND THEREFORE OFFERING OR SELLING THE BONDS OR OTHERWISE MAKING THEM AVAILABLE TO ANY RETAIL INVESTOR IN THE EEA OR THE UNITED KINGDOM MAY BE UNLAWFUL UNDER THE PRIIPS REGULATION AND/OR THE UK PRIIPS REGULATION.

IN ADDITION, IN THE UNITED KINGDOM THIS PRESS RELEASE IS BEING DISTRIBUTED ONLY TO, AND IS DIRECTED ONLY AT, QUALIFIED INVESTORS (I) WHO HAVE PROFESSIONAL EXPERIENCE IN MATTERS RELATING TO INVESTMENTS FALLING WITHIN ARTICLE 19(5) OF THE FINANCIAL SERVICES AND MARKETS ACT 2000 (FINANCIAL PROMOTION) ORDER 2005, AS AMENDED (THE "ORDER") AND QUALIFIED INVESTORS FALLING WITHIN ARTICLE 49(2)(A) TO (D) OF THE ORDER, AND (II) TO WHOM IT MAY OTHERWISE LAWFULLY BE COMMUNICATED (ALL SUCH PERSONS TOGETHER BEING REFERRED TO AS "RELEVANT PERSONS"). THIS PRESS RELEASE MUST NOT BE ACTED ON OR RELIED ON (I) IN THE UNITED KINGDOM, BY PERSONS WHO ARE NOT RELEVANT PERSONS, AND (II) IN ANY MEMBER STATE OF THE EEA, BY PERSONS WHO ARE NOT QUALIFIED INVESTORS. ANY INVESTMENT OR INVESTMENT ACTIVITY TO WHICH THIS PRESS RELEASE RELATES IS AVAILABLE ONLY TO (A) RELEVANT PERSONS IN THE UNITED KINGDOM AND WILL BE ENGAGED IN ONLY WITH RELEVANT PERSONS IN THE UNITED KINGDOM AND (B) QUALIFIED INVESTORS IN MEMBER STATES OF THE EEA.

THE OFFERING OF THE BONDS HAS NOT BEEN REGISTERED WITH THE COMMISSIONE NAZIONALE PER LE SOCIETÀ E LA BORSA (CONSOB) PURSUANT TO ITALIAN SECURITIES LEGISLATION AND, ACCORDINGLY, THE ISSUER AND ANY OF THE JOINT BOOKRUNNERS HAS REPRESENTED AND AGREED THAT, SAVE AS SET OUT BELOW, (I) IT HAS NOT MADE AND WILL NOT MAKE AN OFFERING (OR "OFFERTA AL PUBBLICO") OF ANY BONDS IN THE REPUBLIC OF ITALY, AND (II) SALES OF THE BONDS IN THE REPUBLIC OF ITALY SHALL BE EFFECTED IN ACCORDANCE WITH ALL ITALIAN SECURITIES, TAX AND EXCHANGE CONTROL AND OTHER APPLICABLE LAWS AND REGULATIONS; AS SUCH, NO BONDS HAVE BEEN OR MAY BE OFFERED, SOLD OR DELIVERED, NOR COPIES OF ANY OFFERING MATERIAL RELATING TO ANY BONDS HAVE BEEN OR MAY BE DISTRIBUTED OR OTHERWISE MADE AVAILABLE IN THE REPUBLIC OF ITALY, EXCEPT (A) TO QUALIFIED INVESTORS ("INVESTITORI QUALIFICATI"), AS DEFINED PURSUANT TO ARTICLE 100 OF THE FINAN-CIAL LAWS CONSOLIDATED ACT AND ARTICLE 34-TER, PARAGRAPH 1(B) OF CONSOB REGULATION NO. 11971 OF 14 MAY 1999, AS AMENDED FROM TIME TO TIME ("REGULATION NO. 11971") OR ANY OTHER RELEVANT IMPLEMENTING REGULATIONS; OR (B) IN ANY OTHER CIRCUMSTANCES WHICH ARE EXEMPTED FROM PUBLIC OFFERINGS RESTRICTIONS PURSUANT TO THE ITALIAN LEGISLATIVE DECREE NO. 58 OF 24 FEBRUARY 1998 (AS AMENDED FROM TIME TO TIME) ("FINANCIAL LAWS CONSOLIDATED ACT"), REGULATION NO. 11971 AND ANY OTHER APPLICABLE LAWS AND REGULATIONS. ANY OFFER, SALE OR DELIVERY OF THE BONDS OR DISTRIBUTION OF COPIES OF OFFERING MATERIAL RELATING TO THE BONDS IN THE REPUBLIC OF ITALY WILL BE MADE (I) BY AN INVESTMENT FIRM, BANK OR FINANCIAL INTERMEDIARY PERMITTED TO CONDUCT SUCH ACTIVITIES IN THE REPUBLIC OF ITALY IN ACCORDANCE WITH THE FINANCIAL LAWS CONSOLIDATED ACT, CONSOB REGULATION NO. 16190 OF 29 OCTOBER 2007 (AS AMENDED FROM TIME TO TIME), THE ITALIAN LEGISLATIVE DECREE NO. 385 OF 1ST SEPTEMBER 1993 ("CONSOLIDATED BANKING ACT"); AND (II) IN COMPLIANCE WITH ANY OTHER APPLICABLE LAWS AND REGULATIONS OR REQUIREMENT IMPOSED BY CONSOB, THE BANK OF ITALY OR ANY OTHER ITALIAN AUTHORITY.

THE BONDS MAY BE SOLD ONLY TO PURCHASERS IN THE PROVINCES OF CANADA PURCHASING, OR DEEMED TO BE PURCHASING, AS PRINCIPAL THAT ARE ACCREDITED INVESTORS, AS DEFINED IN NATIONAL INSTRUMENT 45-106 PROSPECTUS EXEMPTIONS OR SUBSECTION 73.3(1) OF THE SECURITIES ACT (ONTARIO), AND ARE PERMITTED CLIENTS, AS DEFINED IN NATIONAL INSTRUMENT 31- 103 REGISTRATION REQUIREMENTS, EXEMPTIONS AND ONGOING REGISTRANT OBLIGATIONS. ANY RESALE OF THE BONDS OR SHARES ISSUED ON CONVERSION OF THE BONDS MUST BE MADE IN ACCORDANCE WITH AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE PROSPECTUS REQUIREMENTS OF APPLICABLE SECURITIES LAWS.

ANY DECISION TO PURCHASE ANY OF THE BONDS SHOULD ONLY BE MADE ON THE BASIS OF AN INDEPENDENT REVIEW BY A PROSPECTIVE INVESTOR OF THE ISSUER'S PUBLICLY AVAILABLE INFORMATION. NEITHER THE JOINT BOOKRUNNERS NOR ANY OF THEIR RESPECTIVE AFFILIATES ACCEPT ANY LIABILITY ARISING FROM THE USE OF, OR MAKE ANY REPRESENTATION AS TO THE ACCURACY OR COMPLETENESS OF, THIS PRESS RELEASE OR THE ISSUER'S PUBLICLY AVAILABLE INFORMATION. THE INFORMATION CONTAINED IN THIS PRESS RELEASE IS SUBJECT TO CHANGE IN ITS ENTIRETY WITHOUT NOTICE UP TO THE CLOSING DATE.

EACH PROSPECTIVE INVESTOR SHOULD PROCEED ON THE ASSUMPTION THAT IT MUST BEAR THE ECONOMIC RISK OF AN INVESTMENT IN THE BONDS OR THE SHARES TO BE ISSUED OR TRANSFERRED AND DELIVERED UPON CONVERSION OF THE BONDS AND NOTIONALLY UNDERLYING THE BONDS (TOGETHER WITH THE BONDS, THE "SECURITIES"). NONE OF THE ISSUER OR THE JOINT BOOKRUNNERS MAKE ANY REPRESENTATION AS TO (I) THE SUITABILITY OF THE SECURITIES FOR ANY PARTICULAR INVESTOR, (II) THE APPROPRIATE ACCOUNTING TREATMENT AND POTENTIAL TAX CONSEQUENCES OF INVESTING IN THE SECURITIES OR (III) THE FUTURE PERFORMANCE OF THE SECURITIES EITHER IN ABSOLUTE TERMS OR RELATIVE TO COMPETING INVESTMENTS.

THE JOINT BOOKRUNNERS ARE ACTING ON BEHALF OF THE ISSUER AND NO ONE ELSE IN CONNECTION WITH THE BONDS AND WILL NOT BE RESPONSIBLE TO ANY OTHER PERSON FOR PROVIDING THE PROTECTIONS AFFORDED TO CLIENTS OF THE JOINT BOOKRUNNERS OR FOR PROVIDING ADVICE IN RELATION TO THE SECURITIES.

EACH OF THE ISSUER, THE JOINT BOOKRUNNERS AND THEIR RESPECTIVE AFFILIATES EXPRESSLY DISCLAIMS ANY OBLIGATION OR UNDERTAKING TO UPDATE, REVIEW OR REVISE ANY STATEMENT CONTAINED IN THIS PRESS RELEASE WHETHER AS A RESULT OF NEW INFORMATION, FUTURE DEVELOPMENTS OR OTHERWISE.