GR ENGINEERING SERVICES LIMITED — Capital/Financing Update 2021

Nov 3, 2021

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ASX RELEASE

4 November 2021

For immediate release to the market

Contract Award – Upstream Production Solutions Wellsite Maintenance and Brownfield Field Execution 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 contract with Santos Limited (ASX: STO) (Santos) to provide wellsite maintenance and brownfield field execution services for their coal seam gas field infrastructure in the Surat Basin in Queensland.

Upstream PS has been providing maintenance and operations support services to Santos since 2008. The award of this new three year contract with two one year extension options expands the scope of services provided covering supervision and planning, brownfields execution, mechanical, HV and LV electrical, rotating equipment services and the provision of local workshop facilities, tools and equipment.

Upstream PS strives to continually add value to the communities where they work. Through the provision of targeted training and a commitment to hire local personnel, teams are focused on strengthening local regions with the provision of service centres, workshops and offices based in Chinchilla, Roma, Darwin and Brisbane.

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

“Upstream PS is proud to have a long-standing successful 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 performance excellence.”

GR Engineering’s Managing Director, Geoff Jones stated that:

“We are pleased to continue working with and supporting Santos on this significant project for the Upstream PS business.”

Ends.

For further information please contact:

Geoff Jones Managing Director  +61 8 6272 6000  geoff.jones@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

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About Upstream Production Solutions

Upstream Production Solutions is an industry leading, client focused and rapidly growing business with an extensive track record in the provision of operations, maintenance, projects and advisory services. Upstream Production Solutions has a strong reputation for providing safe, innovative and sustainable solutions to production challenges.

About GR Engineering

GR Engineering Services Limited (ASX:GNG) is an ASX listed engineering and consulting contractor specialising in fixed price engineering design and construction services to the resources and mineral processing industry.

GR Engineering has successfully completed the engineering design and construction of projects for a diverse range of clients, including global mining houses, mid-tier miners and junior developers undertaking their first project. Traditionally an EPC contractor, GRES also has the ability to contract through a variety of models, including EPCM and hybrid contracting arrangements.

GR Engineering also has a long history of providing a diverse range of process engineering consulting services, including feasibility study preparation and management, process design and peer review engagements. These services have been delivered for projects globally and play a key role in delivering organic growth opportunities through design and construction project execution.

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