Greatland Gold PLC (GGP.L) Havieron Development and Exploration Update

Excellent Growth Drilling results continue to support potential for resource expansion with additional mineralisation identified in Northern and Eastern Breccias

Several exciting results from the South East Crescent, extending the high grade mineralisation beneath the initial Inferred Resource estimate

Early works progressing with the Karlajartu decline officially opened and advanced to 69m from Portal

Greatland Gold plc (AIM:GGP), the precious and base metals mining and exploration company and Joint Venture owner of the world class Havieron gold-copper project, is pleased to provide an update on the drilling campaign at the Havieron gold-copper project in the Paterson region of Western Australia. The Company notes the release of an ASX announcement titled “Quarterly Exploration Report” by Newcrest Mining Ltd (“Newcrest”) earlier today.

Drilling activities since the last update include new results from the Growth Drilling programme, which continue to support the potential for resource expansion of the Havieron gold-copper project.

The latest results comprise seven new drill holes from the Growth Drilling programme (not previously reported), with all holes intersecting significant mineralisation. Newcrest has now completed a total of 184,081m of drilling from 212 holes to date, with all the latest holes continuing to intersect significant mineralisation.

Highlights

§ Further significant results from Growth Drilling continue to support the potential for resource expansion within the Havieron gold-copper mineralised system

o Growth Drilling continues to confirm extensions to the high grade South East Crescent and the Northern Breccia mineralisation below and around the initial Inferred Mineral Resource estimate.

o HAD138 (Northern Breccia) reported 84.5m @ 2.0 g/t Au & 0.05 % Cu from 683m, Including 12.7m @ 6.0 g/t Au & 0.01 % Cu from 685.3m.

§ 2021 Growth Drilling is progressing into FY22

o A further 15 Growth drill holes have been completed with samples awaiting assay, anticipated to be received and reported in the next update.

o These holes are part of the ongoing Growth Drilling programme, targeting:

§ North West Crescent and Northern Breccia: Zone of initial focus aimed at providing support for the potential expansion of the existing Inferred Mineral Resource.

§ Eastern Breccia: Drill testing and interpretation of the geological and mineralisation controls is ongoing.

§ South East Crescent and Breccia: Targeting potential resource definition of extensions below the existing resource shell and lateral extensions adjacent to the existing high-grade resource shell .

§ New Targets: Identified outside of the immediate vicinity of the Havieron deposit, but within the Havieron Joint Venture area, with the potential to conduct drill testing of these targets in the future.

§ Early Works advancing: Construction activities are progressing well with achievements including (as of 14 July 2021):

o Box cut and portal completed in May 2021

o Exploration decline commenced on 14 May 2021 and has advanced 69 metres

o Decline contractor has moved to 24-hour operations

o All surface support infrastructure is nearing completion

Best New Results (not previously reported)

Northern Breccia1

§ HAD138

o 84.5m @ 2.0 g/t Au & 0.05 % Cu from 683m

o Including 12.7m @ 6.0 g/t Au & 0.01 % Cu from 685.3m

§ HAD136W1

o 36.2m @ 2.7 g/t Au and 0.09 % Cu from 988.8m; and

o 201.0m @ 0.45 g/t Au & 0.09 % Cu from 1050m

[1] All widths reported here and below are downhole widths, generally greater than true widths.

Shaun Day, Chief Executive Officer of Greatland Gold plc, commented: “There is a tremendous amount of activity and excitement with the progress across the Havieron gold-copper project. In addition to the intensity of the drilling programme, the decline development is now maintaining 24-hour operations and the surface support infrastructure is nearing completion.”

“The drilling programme keeps on delivering with every hole continuing to hit significant mineralisation while also growing the scale of the Project. Drilling has identified several exciting results from the South East Crescent, extending the high grade mineralisation beneath the initial Inferred Resource estimate.”

“The ongoing success from each set of drill results builds confidence in the world class nature of the Havieron gold-copper project and its potential to expand. This de-risks the project as we progress it towards potential production and adds further upside to the value of the deposit. ”

“With 15 intersections awaiting assay, the volume of information available is expected to significantly expand with our next update as we continue to grow our understanding and scale of the Havieron gold-copper project .”

Results from the seven Growth Drilling holes reported in the last update (” Further Excellent Growth Drilling Results at Havieron”, dated 10 June 2021) and reported in Newcrest’s Quarterly Exploration Report are also included below.

Analytical results for new drilling from HAD057W6, HAD089W2, HAD097W4, HAD099, HAD099W1, HAD136W1 and HAD138 (partial results) have been received and are announced today, along with results from HAD086W1, HAD089W1, HAD096W1, HAD097W3, HAD106W2, HAD133, and HAD136 which were completed early in the Quarter and have been previously reported. Selected significant intercepts are presented in Table 1.

Table 1 – Selected Significant Havieron Intercepts.

^^ previously reported; ** Partial result

Reporting Criteria are listed in Appendix II

In addition to this release, a PDF version of this report with supplementary information can be found at the Company’s website: www.greatlandgold.com/media/jorc/

Enquiries:

Greatland Gold PLC

Shaun Day/Callum Baxter

+44 (0)20 3709 4900

info@greatlandgold.com

www.greatlandgold.com


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