VARIATION OF PETROLEUM SAFETY ZONES – NOTICE A1334687 – BEACH ENERGY (OPERATIONS) LIMITED - T/L5 - TREFOIL 1 WELL AND T/L1 - YOLLA 1 WELL

Commonwealth of Australia

OFFSHORE PETROLEUM AND GREENHOUSE GAS STORAGE ACT 2006

PROHIBITION OF ENTRY INTO A PETROLEUM SAFETY ZONE

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I, Darryl Nottingham, a representative of the National Offshore Petroleum Safety and Environmental Management Authority [NOPSEMA], pursuant to section 616 of the Offshore Petroleum and Greenhouse Gas Storage Act 2006 (the Act), hereby prohibit all vessels other than vessels under the control of the registered holders of T/L5 and T/L1 and vessels operated by authorised persons who are exercising powers under Division 5 of Part 6.6 of the above Act from entering or being present in the area of the safety zone(s) without the consent in writing of NOPSEMA.

These petroleum safety zones extend to a distance of 500 metres, measured from each point of the outer edge of the well known as Trefoil 1 (latitude 39°: 51’: 44.17” South, longitude 145°: 22’: 30.71” East*) and

the well known as Yolla 1 (latitude 39°: 50’: 14.29” South, longitude 145°: 48‘: 24.96“ East*).

*Note: the above are GDA94 coordinates.

These safety zones will be valid from 18th May 2026 until revoked by notice published in the gazette.

Where an unauthorised vessel enters or remains in the safety zone specified in contravention of this notice, the owner and the person in command or in charge of the vessel are each guilty of an offence against Section 616 of the Act and are punishable, upon conviction, by imprisonment for a term:

• not exceeding 15 years if the breach is determined as intentional.
• not exceeding 12.5 years if the breach is determined as recklessness.
• not exceeding 10 years if the breach is determined as negligence.
• not exceeding 5 years if the breach is determined as an offence of strict liability.

Dated this 22nd Day of April 2026.

Made under the Offshore Petroleum and Greenhouse Gas Storage Act 2006 of the Commonwealth of Australia.

Darryl Nottingham, Director Exploration and Development – Safety

 Pursuant to the Instrument of delegation dated 16 April 2026

  National Offshore Petroleum Safety and Environmental Management Authority

REVOCATION OF A PETROLEUM SAFETY ZONE

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The previous Notice A1326894 dated 8th April 2026, which appeared in the Commonwealth of Australia Government Gazette on 13th April 2026, Gazette number C2026G00241, is revoked as at 22nd Day of April 2026.

Dated this 22nd Day of April 2026

Made under the Offshore Petroleum and Greenhouse Gas Storage Act 2006 of the Commonwealth of Australia.

Darryl Nottingham, Director – Exploration & Development Safety

Pursuant to the Instrument of delegation dated 16 April 2026

National Offshore Petroleum Safety and Environmental Management Authority