Polymetal International plc

Regulatory Filings • Dec 24, 2025

News Details

Corporate | 24 December 2025 07:37

Solidcore’s ESG management system highly rated by S&P Global

EQS Newswire / 24/12/2025 / 09:37 MSK

The leadership of Solidcore Resources plc (“Solidcore” or “the Company”) in environmental, social and governance (ESG) practices has been confirmed by the results of the S&P Global Corporate Sustainability Assessment (CSA) 2025.

• Solidcore’s ESG ranking in top 10% of global mining companies;
• Environment management system ranked in top 5% globally;
• Company awarded highest ranking in Kazakhstan.

S&P Global completed its corporate sustainability assessment of Solidcore in December 2025. The Company ranked in the top 10% of global mining companies in the metals and mining sector, achieving a total score of 63 out of 100 (91st percentile). Solidcore also secured the highest ranking among mining and metallurgical companies in Kazakhstan. The transparency of Solidcore’s corporate disclosures and data availability was assessed as “ high ”. The independent evaluation by S&P Global’s analysts highlights the Company’s competitive ESG positioning at both regional and international levels.

S&P Global analysts especially recognised Solidcore’s achievements in environmental management. According to the assessment, the Company ranked in the top 5% of global mining companies for the quality of environmental management and the effectiveness of its environmental impact management systems, receiving an Environment score of 66 out of 100 (95th percentile).

«The high scores awarded by S&P Global are the result of the systematic and day-to-day work of the entire Solidcore team, and we are rightfully proud of this recognition. At the same time, in an environment of increasingly stringent requirements and evolving non-financial reporting standards, adaptability and transparent engagement with all stakeholders remain key factors for long-term business sustainability. We are grateful to the S&P Global team for their independent and professional assessment, as well as for the opportunity to further refine our ESG strategy based on leading global best practices » , – said Michael Vasilev, Head of Sustainability Reporting at Solidcore Resources plc.

The CSA 2025 materials for Solidcore Resources plc are publicly available on the official S&P Global portal and may also be provided upon request by Company representatives.

In addition to S&P Global’s assessment, PwC recognised Solidcore as a leader in sustainability reporting among mining and metallurgical companies in Kazakhstan under its ESG disclosure rating , published in December 2025. Solidcore received a rating of “A” (on a scale from “D” to “A+”, where “D” represents the lowest score), reflecting the quality and transparency of its ESG disclosure.

About Solidcore

Solidcore Resources is a leading gold producer registered in AIFC, Kazakhstan, and listed on Astana International Exchange. Solidcore operates two producing gold mines and a major growth project in Kazakhstan.

About S&P Global

S&P Global is a leading international analytics and ratings company providing data, research, and assessments across financial markets, sustainability, and corporate performance. The S&P Global Corporate Sustainability Assessment (CSA) is a comprehensive independent evaluation of how companies manage ESG risks and opportunities. The resulting ESG Score is based on the principle of double materiality, considering both the impact of ESG factors on a company’s competitiveness and long-term value, as well as the impact of the company’s activities on society and the environment.

Enquiries

#### Investor Relations	#### Media
Kirill Kuznetsov Alina Assanova +7 7172 47 66 55 (Kazakhstan) ir@solidcore-resources.com	Yerkin Uderbay +7 7172 47 66 55 (Kazakhstan) media@solidcore-resources.kz

FORWARD-LOOKING STATEMENTS

This release may include statements that are, or may be deemed to be, “forward-looking statements”. These forward-looking statements speak only as at the date of this release. These forward-looking statements can be identified by the use of forward-looking terminology, including the words “targets”, “believes”, “expects”, “aims”, “intends”, “will”, “may”, “anticipates”, “would”, “could” or “should” or similar expressions or, in each case their negative or other variations or by discussion of strategies, plans, objectives, goals, future events or intentions. These forward-looking statements all include matters that are not historical facts. By their nature, such forward-looking statements involve known and unknown risks, uncertainties and other important factors beyond the company’s control that could cause the actual results, performance or achievements of the company to be materially different from future results, performance or achievements expressed or implied by such forward-looking statements. Such forward-looking statements are based on numerous assumptions regarding the company’s present and future business strategies and the environment in which the company will operate in the future. Forward-looking statements are not guarantees of future performance. There are many factors that could cause the company’s actual results, performance or achievements to differ materially from those expressed in such forward-looking statements. The company expressly disclaims any obligation or undertaking to disseminate any updates or revisions to any forward-looking statements contained herein to reflect any change in the company’s expectations with regard thereto or any change in events, conditions or circumstances on which any such statements are based.

24/12/2025 Dissemination of a Financial Press Release, transmitted by EQS News .

The issuer is solely responsible for the content of this announcement.

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