Eco Oil & Gas Ltd. Announces Holding(s) in Company

TORONTO, ON / ACCESS Newswire / December 9, 2025 / TR-1: Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attachedii:			ECO (ATLANTIC) OIL & GAS LTD
1b. Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)
Non-UK issuer						X
2. Reason for the notification (please mark the appropriate box or boxes with an "X")
An acquisition or disposal of voting rights						X
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights
Other (please specify)iii:
3. Details of person subject to the notification obligationiv
Name			Avanza Bank Holding AB (556274-8458)
City and country of registered office (if applicable)			Stockholm, Sweden
4. Full name of shareholder(s) (if different from 3.)v
Name			Försäkringsaktiebolaget Avanza Pension (516401-6775)
City and country of registered office (if applicable)			Stockholm, Sweden
5. Date on which the threshold was crossed or reachedvi:			08-12-2025
6. Date on which issuer notified (DD/MM/YYYY):			09-12-2025
7. Total positions of person(s) subject to the notification obligation
	% of voting rights attached to shares (total of 8. A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)		Total of both in % (8.A + 8.B)	Total number of voting rights
Resulting situation on the date on which threshold was crossed or reached	2,71367%	0		2,71367%	8 554 370
Position of previous notification (if applicable)	3,99669%	0		3,99669%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)	Number of voting rightsix		% of voting rights
	Direct (Art 9 of Directive 2004/109/EC) (DTR5.1)	Indirect (Art 10 of Directive 2004/109/EC) (DTR5.2.1)	Direct (Art 9 of Directive 2004/109/EC) (DTR5.1)	Indirect (Art 10 of Directive 2004/109/EC) (DTR5.2.1)
CA27887W1005		8 554 370		2,71367%
SUBTOTAL 8. A	8 554 370		2,71367%

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))
Type of financial instrument	Expiration datex	Exercise/ Conversion Periodxi	Number of voting rights that may be acquired if the instrument is exercised/converted.	% of voting rights
		SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))
Type of financial instrument	Expiration datex	Exercise/ Conversion Periodxi	Physical or cash settlementxii	Number of voting rights	% of voting rights
			SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii				X
Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv(please add additional rows as necessary)
Namexv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold

10.In case of proxy voting, please identify:
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held

11. Additional information^xvi

Försäkringsaktiebolaget Avanza Pension is a fully owned subsidiary of Avanza Bank Holding AB (publ). It is underlying policy takers who have sold the shares.

Place of completion	Stockholm, Sweden
Date of completion	09-12-2025

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SOURCE: Eco (Atlantic) Oil and Gas Ltd.

View the original press release on ACCESS Newswire:
https://www.accessnewswire.com/newsroom/en/oil-gas-and-energy/eco-atlantic-oil-and-gas-ltd.-announces-holdings-in-company-1115867