Eco (Atlantic) Oil and Gas Ltd. Announces Holding(s) in Company - 1

TORONTO, ON / ACCESS Newswire / October 20, 2026 / TR-1: Standard form for notification of major holdings

ECO (ATLANTIC) OIL & GAS LTD

% 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)

Position of previous notification (if

applicable)

Class/type of

ISIN code (if possible)

Direct

(DTR5.1)

Indirect

(DTR5.2.1)

Direct

(DTR5.1)

Indirect

(DTR5.2.1)

15,270,959

4.15%

Number of voting rights that may be acquired if the instrument is

exercised/converted.

Physical or cash

settlement xii

Name xv

% 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

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SOURCE: Eco (Atlantic) Oil and Gas Ltd.