BHP : Mt Arthur Coal Blast Notification Letter Week Commencing 23 June 2025

Ref. Blast Notification Letter.DOC

20thJune 2025

Mt Arthur Coal Pty Limited Thomas Mitchell Drive Muswellbrook NSW 2333 Australia Private Mail Bag No. 8 Muswellbrook NSW 2333 Australia

Tel [phone] Fax [phone]

bhpbilliton.com

Mt Arthur Coal Blast Schedule

Our Blast Management Plan requires us to advise Emergency Services of blasting activities scheduled on site.

For the week commencing 23rdJune 2025 blasts are scheduled for the following times:

Number of blasts	Day	Date	Road Closure (Y/N)
1	Monday	23rdJune	N
2	Friday	27thJune	N

The firing window is between the hours of 8:00 am and 5:00 pm. Mt Arthur Coal will co-ordinate blast times with Bengalla coal mine to minimise potential cumulative blasting impacts.

This schedule may be subject to delays from production constraints or by unsuitable weather conditions on the day of the blast, such as low cloud or strong winds.

For more up-to-date information about Mt Arthur Coal's blasting activities, residents are encouraged to visit Muswellbrook Shire Council's online blasting portal:

Blasting Notifications : Muswellbrook Shire Council (nsw.gov.au)

Actual blast times are also posted on a weekly basis on our website: https://www.bhp.com/sustainability/environment/regulatory-information/

Please select NSWEC - Mt Arthur Coal from the Coal Assets - The blast schedule for the week ahead will be listed under 'Blast Information'.

Should you have any queries or concerns, please don't hesitate to contact the Mt Arthur Coal 24-hour Community Response Line on 1800 882 044.

Per: WP

Wayne Parry

Superintendent Drill and Blast

Registered Office:

Mt Arthur Coal Pty Limited Level 14, 480 Queen Street Brisbane QLD 4000 Australia

ABN 83 000 181 902

Registered in Australia

A member of the BHP Billiton Group