MASTERPLAST Nyilvánosan Működő Részvénytársaság

Declaration of Voting Results & Voting Rights Announcements • Sep 30, 2025

The Board of Directors of ALTEO Energy Services Public Limited Company (registered seat: H-1117 Budapest, Dombóvári út 25.; company registration number: 01-10-045985;hereinafter referred to as "Company") according to the Article 54. § (9) of the Act CXX. of 2001 on the Capital Market publishes the following

I N F O R M A T I O N

about the number of shares and the number of voting rights attached to the shares of the Company and the amount of the registered share capital.

The amount of the share capital of the Company as of 30 September 2025:

Share Series	Face Value	Number	of shares		Total Face Value
	(HUF/piece)	issued			(HUF)
Series "A"	12.5		19 931	474	249 143 425
Amount of the share					249 143 425
capital

Number of voting rights as of 30 September 2025:

Share	Number of issued shares	Number of	Number of	Voting	Total
Series		own shares	shares with	rights per	number of
		without	voting rights	share	voting rights
		voting
		rights
Series "A"	19 931 474	243 248	19 688 226	1	19 688 226
ordinary
shares
Total	19 931 474	243 248	19 688 226	1	19 688 226

Budapest, 30 September 2025

ALTEO Plc.

Disclaimer: All information contained within this article is for information purposes only, and shall not be considered an official translation of the official communication referred to herein. This document does not include the integral wording of the official communication referred to herein, the original Hungarian language version of it remains to be the solely legally binding material in the subject matter. For further information, please do not hesitate to contact us.