The Progress of the Initial Public Offering (IPO) of SCG Chemicals Public Company Limited

The Siam Cement Public Company Limited (the “Company”) disclosed information of the progress of the initial public offering (the “IPO”) of SCG Chemicals Public Company Limited (“SCGC”) on April 12, 2023.

The Company hereby informs you that SCGC has obtained an approval from the Office of the Securities and Exchange Commission of Thailand (the “SEC”) on April 12, 2023 to extend the IPO approval period until October 4, 2023 and cannot be further extended, in accordance with the relevant Notifications of the Capital Market Supervisory Board. In this regard, the Company has considered the suitability of the IPO and the listing of SCGC shares on the Stock Exchange of Thailand by taking into account relevant factors the readiness of both Thai and foreign capital market investors to take on a sizeable IPO of a Thai company at this time as well as external circumstances such as the economic situation and energy crisis; hence, the Company has decided that it may not be appropriate to proceed with the IPO at this time.

The Company remains confident that SCGC, as a leading integrated chemicals player in ASEAN, has growth potential through its business expansion and business partnerships with globally leading petrochemical businesses.

The Company intends to proceed with SCGC IPO in due course after the situations have improved, including re-submitting an application for the IPO approval as well as a registration statement and draft prospectus (Filing) to the SEC. The Company will further update the significant progress regarding such proceeding to investors and stakeholders accordingly.

Please be informed accordingly.

Yours faithfully,

     -Signed-

(Mr. Roongrote Rangsoyopash)

President & CEO

The Siam Cement Public Company Limited

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Distribution of this document into jurisdictions other than Thailand may be restricted by law. Persons who possess this document should inform themselves of and observe any such restrictions. The information contained herein is not for release, publication, or distribution, directly or indirectly, in or into the United States.

The information contained in this document is for information purposes only and does not constitute an offer to sell, or the solicitation of an offer to buy any securities, nor shall there be any sale or purchase of securities in any jurisdiction in which such offer, solicitation, or sale would be unlawful. The securities referred to in herein have not been, and will not be registered under the U.S. Securities Act of 1933, as amended (the “U.S. Securities Act”) or any state securities laws of the United States, and may not be offered or sold within the United States, except in reliance on an exemption from, or in a transaction not subject to, registration under the U.S. Securities Act and applicable state laws. SCG Chemicals Public Company Limited has no intention to register any portion of the offering or any securities described herein in the United States, or to conduct a public offering of securities in the United States.

This document should not be used to prepare an article for publication in the United States.