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Last checked at 
9 Apr 2026 07:00
Prior to publication, the information contained within this announcement was deemed by the Company to constitute inside information as stipulated under the UK Market Abuse Regulation. With the publication of this announcement, this information is now considered to be in the public domain.
9 April 2026
Zephyr Energy plc
("Zephyr" or the "Company")
Cybersecurity incident
Zephyr Energy plc (AIM: ZPHR) (OTCQB: ZPHRF) reports that one of its U.S. subsidiary companies has been targeted in a cybersecurity incident.
The highly sophisticated incident involved the diversion of a single payment to a contractor and resulted in funds of circa £0.7 million being transferred to a third-party account. Upon discovery of the incident, the Company immediately notified the relevant law enforcement authorities and is working with the corresponding banks and consultants to attempt to recover the diverted funds.
The Company's IT systems have been thoroughly assessed by a leading cybersecurity consultant, the incident is contained, and the Company's operations and corporate activity are continuing as normal. The Company's IT consultants continue to monitor the Company's systems.
While Zephyr uses industry standard practices in relation to its technology and payment systems, additional layers of security have been implemented as a result of this attack.
The Company's board of directors can confirm that the Company has more than sufficient working capital to ensure that this isolated matter will not impact the Company's ability to perform its ongoing operations.
Contacts
Zephyr Energy plc Colin Harrington (CEO) Chris Eadie (Group Finance Director and Company Secretary)
| Tel: +44 (0)20 3475 4389 |
Allenby Capital Limited - AIM Nominated Adviser Jeremy Porter / Vivek Bhardwaj
| Tel: +44 (0)20 3328 5656
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Turner Pope Investments - Joint-Broker Guy McDougall / Andy Thacker
Canaccord Genuity Limited - Joint-Broker Henry Fitzgerald-O'Connor / Charlie Hammond
Celicourt Communications - PR Mark Antelme / Kristina Qevani | Tel: +44 (0)20 3657 0050
Tel: +44 (0)20 7523 8000
Tel: +44 (0) 20 7770 6424 |
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Notes to Editors
Zephyr Energy plc (AIM: ZPHR) (OTCQB: ZPHRF) is a technology-led oil and gas company focused on responsible resource development in the Rocky Mountain region of the United States.
Its flagship operated asset is the 46,000-acre Paradox project in Utah, where an independent 2025 Competent Persons Report by Sproule International confirmed 2P reserves of 35.3 million barrels of oil equivalent ("boe") and total recoverable resources of 74.2 million boe.
Zephyr also holds a portfolio of non-operated production interests across the Williston and other Rocky Mountain basins, supported by a US$100 million strategic partnership designed to accelerate growth and enhance cash flow.
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