MASTERPLAST Nyilvánosan Működő Részvénytársaság

Declaration of Voting Results & Voting Rights Announcements • Dec 1, 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 November 2025:

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

Number of voting rights as of 30 November 2025:

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

Budapest, 1 December 2025

ALTEO Plc.

Disclaimer: All information contained within this article is for information purposes only, and shall notbe 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.