Mining and Metallurgical Norilsk Nickel : Assignment of rating to securities and (or) the Issuer thereof,changes to rating effected by a credit rating agencyor other organization based on an agreement concluded with the Issuer

STATEMENT OF MATERIAL FACT

Assignment of rating to securities and (or) the Issuer thereof, changes to rating effected by a credit rating agency or other organization based on an agreement concluded with the Issuer

1. General information
1.1. Full name of the Issuer	Public Joint Stock Company Mining and Metallurgical Company Norilsk Nickel
1.2. Address of the issuer, listed in the Unified State Register of Legal Entities	1 ul. Morozova, Dudinka, Taimyr Dolgano-Nenets District, Krasnoyarsk Krai, 647000
1.3. Primary State Registration Number of the Issuer (OGRN)	1028400000298
1.4. Taxpayer Identification Number of the Issuer (INN)	8401005730
1.5. Unique code assigned to the Issuer by the Bank of Russia	40155-F
1.6. Internet website used by the issuer to disclose information	http://www.e-disclosure.ru/portal/company.aspx?id=564https://www.nornickel.ru/investors/disclosure/nornickel-disclosure/
1.7. The date of the event (material fact) in respect of which the statement was made	26/03/2024
2. Content of statement regarding assigning of a rating to securities and/or the issuer, as well rating change by credit rating agency or other organization based on agreement concluded with the issuer
2.1. Rating target (securities and (or) the issuer): securities. 2.2 Type of a rating which was assigned to the rating target (credit rating, other rating): Credit rating of debt instrument. 2.3. If issuer securities are the subject of the rating, identification properties of the securities: exchange-traded non-convertible interest-bearing uncertificated bonds of PJSC MMC Norilsk Nickel series БО- 001Р -07 floated under a public offering under Exchange Bond Program Series 001R, identification number 4-40155-F-001P-02E dated November 30, 2018, assigned by PJSC Moscow Exchange, issue registration number 4B02-07-40155-F-001P dated 21/03/2024 International Securities Identification Number (ISIN): RU000A1083A6 classification of financial instruments (CFI): DBVUFB 2.4 Rating assigned, in case of changes in rating - changed from /to: ruAAA. 2.5. Date of rating assigning or changing: 26/03/2024. 2.6. Brief description of rating or address of the web site where information on the methodology of rating assigning is published:https://raexpert.ru/ratings/methods/current. 2.7. Full company name (for commercial organization) or name (for non-profits), location, taxpayer Identification Number (INN) (if any), primary State Registration Number (OGRN) (if any) or the credit rating agency of other organization, which assigned the rating: Full company name: Joint-Stock Company Rating Agency Expert RA Registered Office: 109240, 13-2 Nikoloyamskaya ul., floor/premises/roo 7/I/13 Taxpayer Identification Number (INN): 7710248947 Primary State Registration Number (OGRN): 1037700071628 2.8 Other details about the rating, specified by the Issuer at its sole discretion: No other details.

Director,

Corporate Relations Department

(Power of Attorney No. GMK-115/87-nt dd. 10/07/2023)

N.Yu. YurchenkoMarch 26, 2024