Notice for holders of Eurobonds whose rights are registered with Russian depositaries

26 March 2025. This notice is intended for depositors of Russian depositaries holding:

·      Eurobonds in the amount of USD 500 000 000 with maturity in 2023 and with a coupon rate of 4.125% (ISIN: XS1693971043, US825795AA56),

·      Eurobonds in the amount of USD 500 000 000 with maturity in 2024 and with a coupon rate of 3.45% (ISIN: XS2010044621, US825795AB30), and (or)

·      Eurobonds in the amount of USD 500 000 000 with maturity in 2025 and with a coupon rate of 2.95% (XS2199713384, US825795AC13),

issued by SIBUR SECURITIES DAC and guaranteed by SIBUR Holding PJSC (the “Eurobonds” and the “Company”, respectively) and who have not received certain payments under the Eurobonds, namely certain coupon payments under the Eurobonds and, in respect of the Eurobonds with maturities in 2023 and 2024, their principal amount (the “Holders”).

Invitation by the Company to Holders who acquired rights to the Eurobonds prior to 3 March 2023

The Company invites such Holders to contact the Company at the details set out below by 25 April 2025 (the Holders should re-submit their requests, if any similar requests were previously submitted to the Company) to clarify the procedure and final steps to receive payments on the Eurobonds that they have not previously received.

Invitation by the Company to Holders who acquired rights to the Eurobonds after 3 March 2023

The Company invites such holders to make offers to sell Eurobonds held by them to the Company at the price set out below (the “Transactions”). The Transactions will be concluded if agreement is reached with the applying Holders on all terms and conditions of the relevant Transactions.

The purchase price for the Eurobonds under the Transactions will be the sum of the following amounts:

·      50% of the principal amount of the Eurobonds; and

·      the amount of coupon payments on Eurobonds due to the Holder and not received by the Holder on the date of the Transaction.

The Company invites Holders interested in entering into the Transactions to contact the Company at the details set out below by 25 April 2025 to discuss the terms of the Transactions and determine the ability to enter into the Transactions.

If you have any further questions, please contact the Company at e-mail address below.

THIS NOTICE DOES NOT CONSTITUTE AN OFFER UNDER THE LAWS OF THE RUSSIAN FEDERATION OR ANY OTHER JURISDICTION, OR AN ADVERTISEMENT, OR AN OFFER OF SECURITIES TO AN UNLIMITED NUMBER OF PERSONS WITHIN OR OUTSIDE THE RUSSIAN FEDERATION, OR AN INVESTMENT RECOMMENDATION, OR A NOTICE OF AN AUCTION, OR AN OFFER TO CONCLUDE A CONTRACT ON AN AUCTION IN ACCORDANCE WITH ARTICLES 447-449 OF THE CIVIL CODE OF THE RUSSIAN FEDERATION AND APPLICABLE LAW OF THE RUSSIAN FEDERATION.

ANY TRANSACTIONS, PAYMENTS AND OPERATIONS SPECIFIED IN THIS NOTICE CAN ONLY BE PERFORMED IF THE HOLDERS OF THE EUROBONDS COMPLY WITH ALL REQUIREMENTS OF THE COUNTER-SANCTIONS LEGISLATION OF THE RUSSIAN FEDERATION AT THE TIME OF THEIR PURCHASE OF THE EUROBONDS.

THIS NOTICE IS NOT INTENDED FOR PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, IN OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OF SUCH JURISDICTION.

Contacts:

Public Joint Stock Company «SIBUR Holding»

Eastern Industrial District, Quarter 1 No. 6 Building 30

Tyumen Region, Tobolsk, the Russian Federation

Email: SIBUR_eurobonds@sibur.ru