MASTERPLAST Nyilvánosan Működő Részvénytársaság

Director's Dealing • Oct 13, 2025

NOTIFICATION AND PUBLIC DISCLOSURE OF TRANSACTIONS BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND PERSONS CLOSELY ASSOCIATED WITH THEM IN ACCORDANCE WITH THE REQUIREMENTS OF THE REGULATION (EU) NO 596/2014 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL

1.	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Viktor Varga
2.	Reason for the notification
a)	Position/status	the European Parliament and of the Council, considered production and risk management	According to Article 3(1)(25) of Regulation (EU) No 596/2014 of Viktor Varga is a person discharging managerial responsibilities in ALTEO Plc., the Issuer, because he is the Deputy CEO for of ALTEO Plc.
b)	Initial notification/ Amendment	Initial notification
3.	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	ALTEO Energy Services Public Limited Company (ALTEO Plc.)
b)	LEI	529900PHL3J3ZRBC2J44
4.	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	ALTEO ordinary shares ISIN: HU0000155726
b)	Nature of the transaction	Selling The transaction is not linked to share option programs or any of the specific examples mentioned in Article 19(7) of Regulation (EU) No 596/2014 of the European Parliament and of the Council.
		4,770 HUF/share	21 pieces of shares
		4,760 HUF/share	311 pieces of shares
		4,750 HUF/share	453 pieces of shares
d)	Aggregated information — Aggregated volume — Price	Price(s) 4,754 HUF/share ,920 HUF/share	Volume(s) 785 pieces of shares 2,165 pieces of shares

e)	Date of the transaction	2025.10.09. 13:36
f)	Place of the transaction	Budapest Stock Exchange
g)	Other information related to the transaction:	-

Budapest, 13 October, 2025

ALTEO Plc.

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