Ericsson Nikola Tesla d.d.

Transaction in Own Shares • Sep 18, 2025

Ericsson Nikola Tesla d.d. Krapinska 45 10000 Zagreb

SECURITY: ERNT (ISIN: HRERNTRA0000) LEI: 5299001W91BFWSUOVD63 HOME MEMBER STATE: Republic of Croatia REGULATED MARKET SEGMENT: Regular Market of the Zagreb Stock Exchange

Zagreb, September 17, 2025

Subject: Notification on acquisition of own shares

Pursuant to the Article 474, Paragraph 1 of the Capital Market Act, Ericsson Nikola Tesla d.d., with headquarters in Zagreb, Krapinska 45, PIN: 84214771175 (hereinafter: "the Company"), hereby notifies the following:

investment company Interkapital vrijednosni papiri d.o.o. made the following acquisitions of Company (treasury) shares in the name and on behalf of the Company at the regulated market of Zagreb Stock Exchange (ZSE).

• On September 15, 2025, 719 shares, identification code ERNT-R-A, were acquired at average price of EUR 185.9033 per share, representing 0.054% of the Company's share capital.

Following this acquisition Ericsson Nikola Tesla d.d. holds in 8,093 own shares, representing 0.61% of the Company's share capital.

The Company acquires its treasury shares with the purpose to award shares to employees under the Award Programs.

Ericsson Nikola Tesla d.d.

INTERKAPITAL vrijednosni papiri d.o.o.

Template for notification on acquisition of shares identification code ERNT, in the name and on behalf of Ericsson Nikola Tesla d.d.

1	Details of the legal entity filing out the template
INTERKAPITAL vrijednosni papiri d.o.o. za poslovanje vrijednosnim papirima
	Registered seat: Zagreb, Masarykova 1
	OIB: 68481874507
	MBS: 080420080
	Competent Court: Commercial Court in Zagreb
2	Reason for the notification
a)	Acquisition of shares identification code ERNT, in the name and on behalf of Ericsson Nikola Tesla d.d., pursuant to Contract on Brokerage Services, for the purpose of execution of the Treasury Share Buyback Program
b)	Initial notification /Amendment INITIAL NOTIFICATION
		[Indication that this is an initial notification or an amendment to prior notifications.
		In case of amendment, explain the error that this notification is amending.]
3	Details of the issuer
a)	Name	Ericsson Nikola Tesla d.d.
b)	LEI	5299001W91BFWSUOVD63
4	conducted	Details of the transaction(s): section to be repeated for each date and each place where transactions have been
a)	Description of the financial Shares
	instrument, type of instrument Identification code	Ordinary shares of the issuer Ericsson Nikola Tesla d.d. Identification code: ERNT
b)	Nature of the transaction	ISIN: HRERNTRA0000 Acquisition of shares
c)	Price(s) and volume(s)	Price(s)	Volume(s)
		183.00 EUR	57
		184.50 EUR	51
		184.50 EUR	11
		185.00 EUR	10
		184.50 EUR	4
		185.00 EUR	19
		185.00 EUR	100
		184.50 EUR	20
		184.50 EUR	5
		185.00 EUR	22
		187.50 EUR	50
		187.00 EUR	64
		187.00 EUR	5

Enlightening
New
Technologies

		187.50 EUR	15
		187.00 EUR	12
		186.50 EUR	20
		187.50 EUR	6
		187.00 EUR	151
		187.50 EUR	27
		186.00 EUR	20
		186.00 EUR	35
		186.00 EUR	15
d)	Aggregated information
	— Aggregated volume	Aggregated volume: 719
	— Price	Average price: 185.9033 EUR
e)	Date of the transaction	2025-09-15
f)	Place of the transaction	Regulated market of Zagreb Stock Exchange (ZSE)