S&P Global improves Kazatomprom’s ESG score

AIX: KAP, KAP.Y (GDR)

LSE: KAP (GDR)

20 November 2025, Astana, Kazakhstan

S&P Global improves Kazatomprom's ESG score

On 13 November 2025, S&P Global, an international rating agency, has assigned National Atomic Company Kazatomprom JSC a Corporate Sustainability Assessment (CSA) score of 50/100, with a total ESG score of 51 points. Kazatomprom's score is 2 points higher compared to the previous year and significantly exceeds the industry average, which confirms the Company's leadership position and the success of its sustainable development strategy.

ESG scores provide an objective assessment of companies' sustainability, including their contribution to addressing environmental and social issues, as well as its transparency and governance efficiency. The high score from S&P Global highlights Kazatomprom's ability to professionally manage ESG aspects, strengthening investor, partner, and stakeholder confidence in the Company.

The improved score also reflects consistent implementation of the Company's updated development strategy for 2025-2034, where one of the key objectives is enhancement of advanced business and ESG practices to ensure and maintain business integrity.

Kazatomprom will continue to follow its course of creating long-term value for all stakeholders, reinforcing its position as a global leader in the nuclear industry and contributing to the global transition to clean energy.

The full ESG Evaluation report from S&P Global is available at: https://www.spglobal.com/sustainable1/en/scores/results?cid=4351546

For more information, please contact:

Public Relations and Media Inquiries

Daniyar Oralov, Director, Public Relations

Tel: +7 7172 45 80 63

Email: [email protected]

Investor Relations Inquiries

Botagoz Muldagaliyeva, Director, Investor Relations

Tel: +7 7172 45 81 80 / 69

Email: [email protected]

A copy of this announcement is available at www.kazatomprom.kz.

About Kazatomprom

Kazatomprom is the world's largest producer of uranium with the Company's attributable production representing approximately 21% of global primary uranium production in 2024. The Group benefits from the largest reserve base in the industry and operates, through its subsidiaries, JVs and Associates, 27 deposits grouped into 14 mining assets. All of the Company's mining operations are located in Kazakhstan and extract uranium using ISR technology with a focus on maintaining industry-leading health, safety and environment standards.

Kazatomprom securities are listed on the London Stock Exchange and Astana International Exchange. Kazatomprom is the national atomic company in the Republic of Kazakhstan. The Group's primary customers are operators of nuclear generation capacity, the principal export markets for the Group's products are Asia, Europe, and North America. The Group sells uranium and uranium products under long-term contracts, short-term contracts, as well as in the spot market, directly from its headquarters in Astana, Kazakhstan, and through its Switzerland-based trading subsidiary, Trade House KazakAtom AG (THK).

For more information, please see the Company website at www.kazatomprom.kz.

Forward-looking statements

All statements other than statements of historical fact included in this communication or document are forward-looking statements. Forward-looking statements give the Company's current expectations and projections relating to its financial condition, results of operations, plans, objectives, future performance and business. These statements may include, without limitation, any statements preceded by, followed by or including words such as "target," "believe," "expect," "aim," "intend," "may," "anticipate," "estimate," "plan," "project," "will," "can have," "likely," "should," "would," "could" and other words and terms of similar meaning or the negative thereof. Such forward-looking statements involve known and unknown risks, uncertainties and other important factors beyond the Company's control that could cause the Company's actual results, performance or achievements to be materially different from the expected 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 it will operate in the future.

THE INFORMATION WITH RESPECT TO ANY PROJECTIONS PRESENTED HEREIN IS BASED ON A NUMBER OF ASSUMPTIONS ABOUT FUTURE EVENTS AND IS SUBJECT TO SIGNIFICANT ECONOMIC AND COMPETITIVE UNCERTAINTY AND OTHER CONTINGENCIES, NONE OF WHICH CAN BE PREDICTED WITH ANY CERTAINTY AND SOME OF WHICH ARE BEYOND THE CONTROL OF THE COMPANY. THERE CAN BE NO ASSURANCES THAT THE PROJECTIONS WILL BE REALISED, AND ACTUAL RESULTS MAY BE HIGHER OR LOWER THAN THOSE INDICATED. NONE OF THE COMPANY NOR ITS SHAREHOLDERS, DIRECTORS, OFFICERS, EMPLOYEES, ADVISORS OR AFFILIATES, OR ANY REPRESENTATIVES OR AFFILIATES OF THE FOREGOING, ASSUMES RESPONSIBILITY FOR THE ACCURACY OF THE PROJECTIONS PRESENTED HEREIN.

The information contained in this communication or document, including but not limited to forward-looking statements, applies only as of the date hereof and is not intended to give any assurances as to future results. The Company expressly disclaims any obligation or undertaking to disseminate any updates or revisions to such information, including any financial data or forward-looking statements, and will not publicly release any revisions it may make to the Information that may result from any change in the Company's expectations, any change in events, conditions or circumstances on which these forward-looking statements are based, or other events or circumstances arising after the date hereof