GR ENGINEERING SERVICES LIMITED — Capital/Financing Update 2023

Jun 7, 2023

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ASX RELEASE

8 June 2023

For immediate release to the market

Santos Cooper Basin – Upstream Production Solutions Maintenance and Operations Services

GR Engineering Services Limited (ASX: GNG) (GR Engineering) is pleased to announce that its wholly owned subsidiary, Upstream Production Solutions Pty Ltd (Upstream PS), has been awarded a new three year contract with an option for a further two years to provide maintenance services for Santos Limited’s (ASX: STO) (Santos) Cooper Basin assets. This additional scope of work is an extension of the services provided by Upstream PS on Santos’ Gladstone Liquefied Natural Gas project since 2016. The estimated revenue for the new contract is $10 million per annum. Work on this project commences on 12 June 2023.

Upstream PS’ scope of services includes the administration and execution of routine maintenance activities and other associated services at the request of Santos.

Commenting on the award of the contract, Upstream PS CEO, Cameron Wills, stated that:

“Upstream PS is proud to have a successful long-term relationship with Santos. At the core of this partnership are the aligned values that both organisations share. We are delighted to continue to work together, safely maintaining Santos’ assets and contributing to sustainable business growth whilst delivering on performance.”

GR Engineering’s Managing Director, Tony Patrizi, stated that:

“Upstream PS has a well established track record in the supply of operations and maintenance services in Australia. We are pleased that we have been given the opportunity to continue to support Santos on this significant project.”

Ends.

For further information please contact:

Tony Patrizi Managing Director

 +61 8 6272 6000

•  tony.patrizi@gres.com.au

Omesh Motiwalla CFO & Company Secretary

•  +61 8 6272 6000

•  omesh.motiwalla@gres.com.au

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GR ENGINEERING SERVICES LIMITED ABN 12 121 542 738 Tel: +61 8 6272 6000 Fax: +61 8 6272 6001 Email: gres@gres.com.au Website: www.gres.com.au PO Box 258, Belmont WA 6984 71 Daly Street, Ascot WA 6104