Below is the formal English translation of the notification provided to our company OYAK Çimento Fabrikaları A.Ş. by the Ordu Yardımlaşma Kurumu (OYAK):

The notification provided by the Ordu Yardımlaşma Kurumu (OYAK) to our company, OYAK Çimento Fabrikaları A.Ş., is as follows:

As stated in our announcements dated November 27, 2023, December 10, 2023, and January 18, 2024, an agreement was reached between Ordu Yardımlaşma Kurumu (OYAK) and Taiwan Cement Corporation (TCC) regarding the transfer of 20% of OYAK Çimento Fabrikaları A.Ş.'s non-publicly traded shares which represents 60% of OYAK's indirect ownership, to TCC. An initial agreement was signed on November 27, 2023, followed by definitive agreements signed on December 10, 2023. The approval from the T.R. Competition Authority mentioned in our previous announcements, one of the necessary permissions for the share transfer transaction, was granted in accordance with the Board's decision dated January 18, 2024 and numbered E-70922894-120.01.06.81707, which was announced in our disclosure on January 18, 2024.

Following the summary provided above, in addition to the approval from the T.R. Competition Authority, the share transfer transaction was completed on March 6, 2024, upon obtaining the necessary permissions from other official institutions and fulfilling all the prerequisites outlined in the share transfer agreement.

OYAK Capital Investments B.V., a subsidiary wholly owned by OYAK, owns 60% of the capital of Cimpor Global Holdings B.V., located in the Netherlands. Prior to the mentioned share transfer transaction, Cimpor Global Holdings B.V. owned 75,81% of OYAK Çimento Fabrikaları A.Ş.'s capital will be transferred to TCC Amsterdam Holdings B.V. (with its new title being updated: TCC OYAK Amsterdam Holdings B.V.) as of March 6, 2024  and 60% of the capital of the acquired company is transferred to Taiwan Cement (Dutch) Holdings B.V.; The remaining 40% belongs to OYAK Capital Investments B.V., which is a 100% subsidiary of OYAK.

With this transaction:

·        The ownership of Cimpor Global Holdings B.V. in OYAK Çimento Fabrikaları A.Ş. has ended.

·        TCC Amsterdam Holdings B.V. (updated as TCC OYAK Amsterdam Holdings B.V.) owned by OYAK Capital Investments B.V., a 100% OYAK subsidiary, now holds 75,81% of OYAK Çimento Fabrikaları A.Ş.'s shares.

·        OYAK's indirect ownership in OYAK Çimento Fabrikaları A.Ş. has decreased from 45,486% to 30,324%.

·        The indirect ownership of OYAK Capital Investments B.V., a 100% OYAK subsidiary, in OYAK Çimento Fabrikaları A.Ş. has also decreased from 45,486% to 30,324%.

Details of the transaction for Cimpor Global Holdings B.V., an indirect subsidiary of OYAK, are provided in Annex1

Details for TCC Amsterdam Holdings B.V. (updated as TCC OYAK Amsterdam Holdings B.V.) are provided in Annex2

Due to the mentioned transactions above, in accordance with Article 13 of the Capital Markets Board's Communiqué II-26.1 on takeover bid, an application will be separately made to the Capital Markets Board to make a takeover bid, and this obligation will be fulfilled in accordance with the procedures and principles determined by the Capital Markets Board's Communiqué II-26.1. Details regarding the takeover bid, including the takeover bid price, and other obligations related to the takeover bid, will be subject to separate disclosure in accordance with the provisions of the Capital Markets Board's Communiqué II-26.1 on Takeover Bids and Communiqué II-15.1 on Special Situations.

We hereby declare that our above statements comply with the principles set forth in the relevant regulations of the Capital Markets Board, accurately reflect the information received by us, are consistent with our records, and that we have made all necessary efforts to obtain complete and accurate information on the subject matter. We also accept responsibility for these disclosures.

We hereby inform our stakeholders.

Yours sincerely