OVERSEAS REGULATORY ANNOUNCEMENT

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.UNITED COMPANY RUSAL INTERNATIONAL PUBLIC JOINT-STOCK COMPANY (Incorporated under the laws of Jersey with limited liability and continued in the Russian Federation as an international company) (Stock Code: 486) OVERSEAS REGULATORY ANNOUNCEMENT This announcement is made pursuant to Rule 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.United Company RUSAL international public joint-stock company (the “Company”) announces that the attached announcement has been released in Russian to Public Joint-Stock Company Moscow Exchange MICEX-RTS on which the Company is listed and on the website of the Company.For and on behalf of United Company RUSAL international public joint-stock company Evgenii Nikitin General Director Executive Director 28 June 2024 As at the date of this announcement the members of the Board of Directors are the following: the executive Directors are Mr. Evgenii Nikitin Ms. Natalia Albrekht and Ms. Elena Ivanova the non-executive Directors are Mr. Vladimir Kolmogorov Mr. Semen Mironov and Mr. Aleksander Danilov and the independent non-executive Directors are Mr. Christopher Burnham Ms. Liudmila Galenskaia Mr. Kevin Parker Dr. Evgeny Shvarts Ms. Anna Vasilenko and Mr. Bernard Zonneveld (Chairman). All announcements published by the Company are available on its website under the links http://www.rusal.ru/en/investors/info.aspx and http://rusal.ru/investors/info/moex/ respectively.? 1 ?Statement of a significant fact about other events (actions) that in the opinion of the issuer have a significant impact on the value or quotations of its securities 1. General information 1.1. Full corporate name (for a commercial International Company Public Joint Stock organization) or name (for a non-profit Company United Company RUSAL organization) of the issuer 1.2. Issuer’s address specified in the Unified 236006 Kaliningrad region Kaliningrad city State Register of Legal Entities Oktyabrskaya street 8 office 410 1.3. Primary state registration number (OGRN) 1203900011974 of the issuer (if any) 1.4. An identification number 3906394938 taxpayer (TIN) of the issuer (if any) 1.5. Unique issuer code assigned by the Bank 16677-A of Russia 1.6. Address of the page on the Internet used https://www.e-disclosure.ru/portal/company.aspx?id=38288 by the issuer to disclose information http://rusal.ru/investors/info/moex/ 1.7. The date of occurrence of the event 27.06.2024 (significant fact) about which the message was written 2. Message content 2.1. A brief description of the event (action) the occurrence (completion) of which in the opinion of the issuer affects the value or quotations of its securities: The Issuer’s decision to determine the value of the spread (S) for calculating the interest rate on exchange-traded bonds with non-documentary interest-bearing non-convertible bonds of the BO-001P—09 series placed under the 001P Series Exchange-traded Bonds Program with registration number 4-16677-A-001P-02E from August 03 2022 (hereinafter - Exchange-Traded Bonds). Registration number of issue 4В02-09-16677-A-001Р from June 26 2024. The International Securities Identification Code (ISIN) and the International Classification Code of Financial Instruments (CFI) have not been assigned to Exchange-traded Bonds as of the date of disclosure of this Material Fact Notice. 2.2. If the event (action) is related to a third party - full company name (for a commercial organization) or name (for non-profit organizations) location taxpayer identification number (TIN) (if any) main state registration number (OGRN) (if any) or last name first name patronymic (if any) of the specified person: It is not possible to provide information the information concerns potential purchasers of Exchange-traded bonds. 2.3. If the event (action) is related to the decision taken by the authorized management body (authorized official) of the issuer or a third party the name of the authorized management body (authorized official) the date of adoption and the content of the decision and if the decision is made by the collegial body management of the issuer or a third party - also the date and number of the minutes of the meeting (session) of the authorized collegial management body of the issuer or a third party: The decision was made by an authorized official of the Issuer - the General Director of UC RUSAL IPJSC on June 27 2024 (Order No. OKR-24-Р050 dated June 27 2024).The content of the decision: Determine the value of the spread (S) — premium as this term is defined in the Decision on the issue of Exchange-traded bonds in the amount of 2.20% (Two whole twenty hundredths) percent per annum.? 2 ?2.4. If an event (action) may have a significant impact on the value or quotations of the issuer’s securities - identification signs of the securities: Non-documentary interest-bearing non-convertible exchange-traded bonds of the BO-001P-09 series with a nominal value of 1000 (One thousand) Russian rubles each with a maturity of 1080 (One thousand eightieth) day from the date of the start of the placement of Exchange-traded bonds placed by open subscription under the 001R series exchange-traded bonds program with registration number 4-16677-A-001P-02E from August 03 2022 registration number of issue 4В02-09-16677-A-001Р from June 26 2024. The International Securities Identification Code (ISIN) and the International Classification Code of Financial Instruments (CFI) have not been assigned to Exchange-traded Bonds as of the date of disclosure of this Material Fact Notice. 2.5. The date of the event (action) and if the event occurs in relation to a third party (the action is performed by a third party) also the date on which the issuer knew or should have known about the occurrence of the event (action): 27.06.2024. 3. Signature 3.1. Legal Counsel (acting under Power of Attorney No OKR-DV-24-0012 dated February 12 2024) T. Atrokhova (position of the issuer’s authorised person) (signature) (initials surname) 3.2. Date ?28? June 2024. ?3?