IronRidge Resources (IRR.L) Best Lithium Grade Drill Result Received to Date

Multiple High-Grade Drill Intersections

Highest Grade Lithium Drill Result Received to Date

Ghana, West Africa

IronRidge Resources Limited (AIM: IRR, “IronRidge” or the “Company”), the African focussed minerals exploration company, is pleased to report multiple high-grade lithium pegmatite drill intersections at new targets adjacent to the Ewoyaa Lithium Project (“ELP”), where the Company has defined a JORC (2012) compliant Mineral Resource Estimate of 14.5Mt at 1.31% Li2O in the inferred and indicated category, including 4.5Mt at 1.39% Li2O in the indicated category in Ghana, West Africa.

Figures and Tables referred to in this release can be viewed in the PDF version available via this link: http://www.rns-pdf.londonstockexchange.com/rns/2657V_1-2021-4-13.pdf

HIGHLIGHTS:

Ø Multiple high-grade lithium pegmatite intersections reported in initial reverse circulation (“RC”) drilling results from new targets tested adjacent to the ELP, including highlights at a 0.4% Li2O cut-off and maximum 4m of internal dilution of:

o GRC0219: 34m at 1.54% Li2O from 32m, including 13m at 1.8% Li2O from 51m and 1m at 4% Li2O from 62m

o GRC0221: 36m at 1.44% Li2O from 83m, including 10m at 1.8% Li2O from 87m

o GRC0223: 31m at 1.59% Li2O from 31m

o GRC0217: 14m at 1.59% Li2O from 33m

o GRC0220: 7m at 1.73% Li2O from 101m

o GRC0220: 12m at 1.74% Li2O from 118m

o GRC0220: 9m at 1.44% Li2O from 131m

Ø Highest reported grade to date at the ELP of 4% Li2O over 1m in hole GRC0219 from 62m depth.

Ø Drilling ongoing; assay results reported herewith for an additional 1,455m of the current programme designed to add resource tonnes within the immediate ELP resource area and test new exploration targets within the adjacent Saltpond license.

Ø Additional 4,000m of drilling planned to test strike extensions where mineralisation remains open and test new targets; for a total 16,500m planned RC programme.

Ø Ideal infrastructure support: projects located within 110km of the operating Takoradi deep-sea port, within 100km of the capital Accra and adjacent to the sealed Takoradi – Accra highway and high-power transmission lines.

Ø Highly supportive government; long mining history, strong diversification drive and pro-renewable and stored energy space initiatives.

Ø Increasing lithium demand due to its role in the stored energy transition.

Commenting on the Company’s latest progress, Vincent Mascolo, Chief Executive Officer of IronRidge, said:

“We are very pleased with the ongoing results received, which have confirmed high-grades and mineralisation continuity over 400m of strike, with true mineralised pegmatite widths up to 25m which remains open at depth and along strike to the east.

“We have seen our highest grade, of over 4% Li2O, intersected to date at the ELP. Drilling is ongoing with approximately 10,000m of the expanded 16,500m completed to date.

“We are confident the additional targets will increase resource scale and improve project economics, where we have defined Ghana’s first lithium JORC compliant resource of 14.5Mt at 1.31% Li2O and within 110km of an operating deep-sea port.

“Targeting a plus 10-year mine life, it is estimated that every additional year of production will add c. US$40M in NPV per annum on a Scoping Study that has defined a Post-tax NPV8 of US$345M over an 8-year LOM.

“This drilling programme is a key part of our work towards expanding the resource base on what we consider to be an industry-leading asset. We are now evaluating options to fast track the project to production.

“The Company is well positioned to take advantage of the increasing demand for lithium due to its role in the stored energy transition.

“We look forward to keeping shareholders up to date as assay results become available.”

Ongoing Drilling Results

Additional drilling results for 1,455m in 12 holes have been received for the programme currently underway. Multiple high-grade drill intersections have been returned and reported herewith at a 0.4% Li2O cut-off and maximum 4m of internal dilution (referTable 1, Figure 1 and Figure 2).

All sampling was completed at 1m sampling intervals at the drill site and submitted for analysis at Intertek laboratory with sample preparation completed in Ghana and sample analysis in Perth, Western Australia. All results passed internal and laboratory QA/QC protocols, providing confidence in the reported results.

The drilling programme is designed to test multiple new spodumene-bearing pegmatites identified through the Company’s recent and ongoing auger drill programme;to add resource tonnes within the immediate ELP area, as well as advance the regional exploration pipeline by drill testing the Ndasiman, Amoanda and Hweda targets within the Saltpond and Apam West licenses respectively (referFigure 4).

The original planned 12,500m RC drilling programme has been increased to 16,500m to test strike extensions of recently drilled pegmatites where mineralisation remains open and test new targets.

Competent Person Statement

Information in this announcement relating to the exploration results is based on data reviewed by Mr Lennard Kolff (MEcon. Geol., BSc. Hons ARSM), Chief Geologist of the Company. Mr Kolff is a Member of the Australian Institute of Geoscientists who has in excess of 20 years’ experience in mineral exploration and is a Qualified Person under the AIM Rules. Mr Kolff consents to the inclusion of the information in the form and context in which it appears.

This announcement contains inside information for the purposes of Article 7 of the Market Abuse Regulation (EU) 596/2014 as it forms part of UK domestic law by virtue of the European Union (Withdrawal) Act 2018 (“MAR”), and is disclosed in accordance with the Company’s obligations under Article 17 of MAR.

Notes to Editors:

IronRidge Resources is an AIM-listed, Africa focussed minerals exploration company with a lithium pegmatite discovery in Ghana, extensive grassroots gold portfolio in Côte d’Ivoire and a potential new gold province discovery in Chad. The Company holds legacy iron ore assets in Gabon and a bauxite resource in Australia. IronRidge’s strategy is to create and sustain shareholder value through the discovery and development of significant and globally demanded commodities.

Côte d’Ivoire

The Company entered into conditional earn-in arrangements in Côte d’Ivoire, West Africa; securing access rights to highly prospective gold mineralised structures and pegmatite occurrences covering a combined 3,584km2 and 1,172km2 area respectively. The projects are well located within access of an extensive bitumen road network and along strike from multi-million-ounce gold projects and mines. The Company’s most advanced project is the Zaranou gold project which includes high-grade gold drilling intersections along 8km strike including 6m at 6.44g/t gold from 132m, 6m at 15.11g/t gold from 26m, 4m at 5.16g/t gold from 110m and 22m at 3.39g/t gold from 8m within a broader 47km long gold anomalous structure.

Ghana

The Cape Coast Lithium portfolio covers some 684km2 and includes the newly discovered Ewoyaa Lithium Project with a maiden Mineral Resource estimate of 14.5Mt at 1.31% Li2O in the inferred and indicated category including 4.5Mt at 1.39% Li2O in the indicated category (reported in accordance with the JORC Code). The Company entered into earn-in arrangements with Obotan Minerals Limited, Merlink Resources Limited, Barari Developments Limited and Joy Transporters Limited of Ghana, West Africa, securing the first access rights to acquire the historical Egyasimanku Hill spodumene rich lithium deposit, estimated to be in the order of 1.48Mt at 1.67% Li2O and surrounding tenements. The tenure package is also prospective for tin, tantalum, niobium, caesium and gold, which occur as accessory minerals within the pegmatites and host formations.

Chad

The Company entered into an agreement with Tekton Minerals Pte Ltd of Singapore concerning its portfolio covering 746km2 of highly prospective gold and other mineral projects in Chad, Central Africa. IronRidge acquired 100% of Tekton including its projects and team to advance the Dorothe, Echbara, Am Ouchar, Nabagay and Kalaka licenses, which host multiple, large scale gold projects. Trenching results at Dorothe, including 84m at 1.66g/t Au (including 6m at 5.49g/t & 8m at 6.23g/t), 4m at 18.77g/t Au (including 2m at 36.2g/t), 32m at 2.02g/t Au (including 18m at 3.22g/t), 24m at 2.53g/t Au (including 6m at 4.1g/t (including 2m at 6.2g/t) and 2m at 6.14g/t), 14.12g/t Au over 4m, 34.1g/t over 2m and 63.2g/t over 1m, have defined significant gold mineralised quartz veining zones over a 3km by 1km area including the steep dipping ‘Main Vein’ and shallow dipping ‘Sheeted Vein’ zones.

Australia

Monogorilby is prospective for province scale titanium and bauxite, with an initial maiden resource of 54.9MT of premium DSO bauxite. Monogorilby is located in central Queensland, within a short trucking distance of the rail system leading north to the Port of Bundaberg. It is also located within close proximity of the active Queensland Rail network heading south towards the Port of Brisbane.

Gabon

Tchibanga is located in south-western Gabon, in the Nyanga Province, within 10-60km of the Atlantic coastline. This project comprises two exploration licenses, Tchibanga and Tchibanga Nord, which cover a combined area of 3,396km2 and include over 90km of prospective lithologies and the historic Mont Pele iron occurrence.

Belinga Sud is Located in the north east of Gabon in the Ogooue-Ivindo Province, approximately 400km east of the capital city of Libreville. IRR’s licence lies between the main Belinga Iron Ore Deposit, believed to be one of the world’s largest untapped reserves of iron ore with an estimated 1bt of iron ore at a grade >60% Fe, and the route of the Trans Gabonese railway, which currently carries manganese ore and timber from Franceville to the Port of Owendo in Libreville.

Corporate

IronRidge made its AIM debut in February 2015, successfully securing strategic alliances with three international companies; Assore Limited of South Africa, Sumitomo Corporation of Japan and DGR Global Limited of Australia. Assore is a high-grade iron, chrome and manganese mining specialist. Sumitomo Corporation is a global resources, mining marketing and trading conglomerate. DGR Global is a project generation and exploration specialist.


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