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 2 July 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 ?Notification of a significant fact on the assignment of a rating to securities and (or) their issuer as well as on a change in the rating by a credit rating agency or other organization on the basis of an agreement concluded with the issuer 1. General information 1.1. Full corporate name (for a commercial International Public Joint Stock Company organization) or name (for a non-profit 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. Taxpayer identification number (TIN) of 3906394938 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 02.07.2024 (material fact) about which the message was written 2. Message content 2.1. Rating object (securities and (or) their issuer): Issuer’s equity securities. 2.2. Type of rating assigned to the object of the rating assessment (credit rating; other rating): The credit rating of the debt instrument. 2.3. If the object of the rating is the issuer’s securities - identification features of 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 032022 registration number of issue 4В02-09-16677-A-001Р from June 26 2024. The International Securities Identification Code (ISIN) RU000A108VW7 the International Classification Code of Financial Instruments (CFI) DBVUFB. 2.4. The value of the assigned rating and in the case of a change in the rating the values of the rating before and after the change: A+ (RU). 2.5. Date of assignment or change of rating: July 02 2024. 2.6. A brief description of the rating value or the address of the page on the Internet on which information on the rating assignment methodology is freely available (published): The credit rating was assigned according to the national scale for the Russian Federation based on the Methodology of Assigning Credit Ratings to Financial Instruments according to the National Scale for the Russian Federation was also used (https://www.acra-ratings.ru/criteria/381/) and the Basic Concepts used by an Analytical Credit Rating Agency in rating activities (https://www.acra-ratings.ru/criteria/80/). 2.7. Full company name (for a commercial organization) or name (for a non-profit organization) location taxpayer identification number (TIN) (if any) primary state registration number (OGRN) (if any) of a credit rating agency or other organization that assigned the rating: Full company name: Analytical Credit Rating Agency (Joint Stock Company) Location: city Moscow Taxpayer Identification Number (TIN): 9705055855 Primary state registration number (OGRN): 5157746145167 2.8. Other information about the rating indicated by the issuer at its own discretion: Absent. ? 2 ?3. Signature 3.1. Legal Counsel (acting under Power of Attorney No ОКR-DV-24-0012 dated February 12 2024) T. Atrokhova (position of the issuer’s authorised person) (signature) (initials surname) 3.2. Date ? 02? July 2024. ?3?