18 August 2025

GEO Exploration Limited

("GEO " or the "Company")

Juno Project - Drilling Contractor Appointed for Maiden Campaign

Key Highlights:

- DDH1 appointed as drilling contractor for maiden campaign at the Juno Project

- Reuniting DDH1 with Geo's JV partner Callum Baxter, who worked with DDH1 on Greatland Gold's maiden drill holes at Havieron in 2018

- DDH1 on schedule to mobilise and commence drilling this quarter

GEO Exploration Limited (LSE AIM: GEO) is pleased to announce it has entered into  a contract with DDH1 Drilling Pty Ltd ("DDH1") to undertake the Company's maiden diamond core drilling programme at the Juno Project in Western Australia.

DDH1, part of the Perenti Group (ASX: PRN), is Australia's leading and largest provider of diamond core drilling services, with a modern fleet, highly experienced crews, and an industry-leading safety record. The company has extensive experience in Western Australia, including Greatland Gold's (LSE:GGP) maiden drill holes at the Havieron deposit in 2018.

This appointment also reunites DDH1 with GEO's JV partner Callum Baxter, who was directly involved in Greatland Gold's work at Havieron in 2018, combining proven expertise in exploration success. Support personnel assisting with drilling activities were also part of the early Greatland team working at Havieron.

With the drilling contract now signed, final site preparations are underway ahead of DDH1's mobilisation and the start of drilling which is on track for this current quarter.

Callum Baxter, GEO's JV Partner commented:

"It is pleasing to be working again with DDH1 at the large Juno target. Our combined experience and expertise will allow safe and efficient execution of the drill program at the project to test the target. I am very excited that drilling is scheduled to commence during the current quarter and look forward to following the activities at site."

Omar Ahmad, CEO of Geo Exploration Limited, commented:

"We are delighted to be partnering with Australia's leading provider of diamond drilling services for our maiden campaign at the Juno Project. DDH1's outstanding safety record, operational excellence and proven track record make them the ideal partner for this important next step.

Reuniting them with our JV partner Callum Baxter, who worked alongside DDH1 during Havieron's discovery phase, adds another layer of confidence and capability to the programme. We remain on track and on schedule, and this campaign marks the start of an exciting journey ahead with Juno Project."

The information contained within this announcement is deemed by the Company to constitute inside information under the UK Market Abuse Regulations ("MAR"). Upon the publication of this announcement via a Regulatory Information Service ("RIS"), this inside information is now considered to be in the public domain.

For further information please visit: www.geoexplorationlimited.com or contact: 

GEO Exploration Limited        

Hamza Choudhry, CFO and Executive Director   

investors@geoexpltd.com

SPARK Advisory Partners Limited (Nominated Adviser)

Andrew Emmott, Jade Bayat  

+44 (0) 20 3368 3555

CMC Markets (Joint Broker)

Douglas Crippen  

+44 (0) 20 3003 8632

SI Capital Limited (Joint Broker)

Nick Emerson  

+44 (0) 14 8341 3500

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This announcement has been issued by and is the sole responsibility of the Company.