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Global Battery Metals Reports High Grade Lithium Assays Returned; Surface Samples Up to 3.75% Li2O From NW Leinster Lithium Project Highlights Include:

Drill Results Exploration Programs Sampling & Geoscience Results

Global Battery Metals Reports High Grade Lithium Assays Returned;

Surface Samples Up to 3.75% Li2O From NW Leinster Lithium Project

Highlights Include:

• Of the 66 total surface samples analyzed, assay results show that 47 returned grades above 1%

Li2O – with grades as high as 3.75% and 3.63% (source: ALS Laboratories, Loughrea, Ireland)

• Knockeen and Carriglead Prospects are reported at:

o Knockeen: Out of a total of 56 samples, 41 samples graded above 1% Li 2O, of which

20 graded above 2% Li 2O and of which two graded above 3% Li 2O (Sample AES

63003 (3.63% Li2O) and Sample AES 63033 (3.75% Li2O))

o Carriglead: out of a total of 10 samples, six samples graded above 1% Li2O, of which

one sample analysed above 2% Li2O (Sample AES63504 (2.09% Li2O))

• The program of intensive prospecting has consolidated the extent of the spodumene pegmatite

boulder train at surface and significantly enhanced the resolution of the dispersion zone

• The known extent of the boulder train is now over 1km in length from NE to SW, 0.5km from

NW to SE and is still open in all directions at Knockeen

January 18, 2023, Vancouver, British Columbia – Global Battery Metals Ltd. (the “Company” or

“GBML”) (TSXV: GBML; OTCQB: REZZF; Frankfurt: REZ), a critical mineral exploration

company focused on growth-oriented lithium and other battery metal projects, announces initial field

exploration assay results (see Table 1) from its North-West Leinster Lithium Project (the “Property”

or the “Project”), focused primarily on Prospecting Licence Area (“PLA”) 1597 in Ireland.

Sampling Program Highlights

Sample_ID Program Li_ppm Li2O%*

AES63003 Follow Up Sampling Dec 2022 17,410 3.75

AES63033 Follow Up Sampling Dec 2022 16,860 3.63

AES63519 Follow Up Sampling Dec 2022 13,160 2.83

AES63015 Follow Up Sampling Dec 2022 13,050 2.81

AES63029 Follow Up Sampling Dec 2022 12,920 2.78

AES63042 Follow Up Sampling Dec 2022 12,580 2.71

AES63014 Follow Up Sampling Dec 2022 12,200 2.63

AES63021 Follow Up Sampling Dec 2022 12,040 2.59

AES63018 Follow Up Sampling Dec 2022 11,980 2.58

AES63011 Follow Up Sampling Dec 2022 11,820 2.54

Table 1: Highlight results from the prospecting program (December 2022)

* Li2O % = Li ppm % (x 2.153)

A full list of comprehensive results can be found in Appendix 1.

“The high -grade assay results from our most recent surface sampling program are extremely

encouraging and reassure our early diligence in the Project,” said Michael Murphy, Chief Executive

Officer of GBML. “The strong concentration of confirmed lithium -bearing pegmatites is helping the

team target the source and plan a strong drilling campaign to test the limits of the Property. We look

forward to receiving our overburden assay results.”

Field Exploration Program Update

PLA 1597 forms part of the Company’s Property exploration block, which is operated under an

exclusive Option and Earn-in agreement with Technology Minerals Plc (LSE: TM1), the first-listed UK

company focused on creating a sustainable circular economy for battery metals, and its wholly owned

subsidiary LRH Resources Limited (“LRH”).

The current phase of detailed exploration work is centred on an area where a forty-year-old historical

company report1 described a trench excavated at Knockeen Townlands on PLA 1597 (Figure 1) which,

uncovered in bedrock, exposed a 1.8m wide spodumene-bearing pegmatite vein. However no detailed

laboratory assays or geological maps of the trench were reported at that time . Historical prospecting

around the trench also reported the occurrence of u p to 10 large boulders of spodumene bearing

pegmatite at surface.

The current exploration program carried out under LRH management by Aurum Exploration Services

Limited included an initial reconnaissance visit in July 2022 totalling six samples. This was followed

by a more detailed prospecting and lithogeochemical survey on two areas at Knockeen and Carriglead

Townlands in December 2022 and totalling 66 samples (Figure 1 and Table 2).

Prospect Program No

Carriglead Recon Sampling July 2022 2

Knockeen Recon Sampling July 2022 4

Prospect DD Sampling July 2022 No

Carriglead Follow Up Sampling Dec 2022 10

Knockeen Follow Up Sampling Dec 2022 56

Prospect Program No

Carriglead Total 12

Knockeen Total 60

Table 2: Results from reconnaissance prospecting (July 2022 and December 2022)

Preliminary Reconnaissance July 2022

Two areas at Knockeen and Carriglead Townlands were targeted with an initial reconnaissance visit in

July 2022 , during which s ix samples - four at Knockeen and two at Carriglead - were collected.

Analytical results confirmed the presence of the historically reported spodumene pegmatite boulder

train and returned very significant grades of Li 2O in all the samples. These results have been reported

previously but are reproduced here for continuity (Table 3).

Sample_ID Program Li_ppm Li2O_%* Prospect

210724CL05 Recon Sampling July 2022 13,700 2.95 Knockeen

210724CL03 Recon Sampling July 2022 11,200 2.41 Knockeen

210724CL04 Recon Sampling July 2022 11,000 2.37 Knockeen

210724CL02 Recon Sampling July 2022 3,240 0.70 Knockeen

AES61138 Recon Sampling July 2022 7,470 1.61 Carriglead

AES61137 Recon Sampling July 2022 3,550 0.76 Carriglead

Table 3: Results from reconnaissance prospecting (July 2022)

* Li2O % = Li ppm % (x 2.153)

December 2022 Detailed Prospecting and Lithogeochemistry

In December 2022 an extensive prospecting and lithogeochemistry survey was completed covering the

two areas identified during the reconnaissance program. A total of 56 samples were collected at

Knockeen and 10 at Carriglead. The results were highly encouraging with coherent boulder trains of

spodumene bearing lithium pegmatites mapped out across the prospects. T he highlight sample results

are shown in Table 1 and the full results are appended in Appendix 1 to this release in Tables and 4 and

5 with associated maps showing the locations in Figures 2 (Knockeen) and Figures 3 (Carriglead)

below.

1 Report titled “1975-76 – Discovery of Spodumene Pegmatite Float” by Irish Base Metals Limited

Figure 1: Location of the Knockeen and Carriglead target areas PL 1597 showing sample locations

Figure 2: Location of samples and assay results from the Knockeen target area

Figure 3: Location of samples and assay results from the Carriglead target area

Photo 1: Spodumene pegmatite samples from Knockeen and Carriglead

Please see the Company's NW Leinster Project Overview for additional program details, in addition to

the latest version of the Company’s Investor Presentation available for download f rom the GBML

website (www.gbml.ca).

Qualified Person

All scientific and technical information in this announcement has been prepared under the supervision

of and reviewed and approved by EuroGeol Vaughan Williams M.Sc. P.Geo ., Principal of Aurum

Exploration Services, who currently provides exploration services to GBML and LRH , and who is a

“qualified person” within the meaning of National Instrument 43 -101. Vaughan Williams is also

company secretary of LRH.

About Global Battery Metals Ltd.

GBML is an international mineral exploration and development company with a focus on metals that

comprise and support the rapid evolution to battery power. GBML currently maintains economic

interests in four battery metal projects: (1) an option to acquire up to a 90% in the North-West Leinster

lithium property in Ireland; (2) a 100% interest in the L ithium King property in Utah; (3) an option to

acquire up to a 100% interest in the La Poile lithium project in Newfoundland; and (4) a 55% stake in

Peru-based Lara copper property, which has over 10,000 metres of drilling. As previously disclosed,

Minsur S.A., a Peruvian mining company, entered into an option agreement with GBML and Lara

Exploration Ltd. to acquire the Lara copper property for staged payments of USD$5.75 million. GBML

will retain a 0.75% net smelter royalty. GBML's common shares are listed on the TSX Venture

Exchange (TSXV: GBML); Frankfurt Stock Exchange (FSE: REZ); and are quoted on the OTC Markets

(OTCQB: REZZF).

Global Battery Metals Ltd.

Michael Murphy BA, MBA, MSc., ICD

President & CEO

T: 604-649-2350

E: [email protected]

W: www.gbml.ca

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this

release.

Cautionary Statement Regarding “Forward-Looking” Information

This news release contains certain “forward -looking information” and “forward -looking statements”

(collectively “forward-looking statements”) within the meaning of applicable securities legislation. All

statements, other than statements of historical fact, included herein, without limitation, statements

relating the future operations and activities of the Company, are forward-looking statements. Forward-

looking statements are frequently, but not always, identified by words such as “expects”, “anticipates”,

“believes”, “intends”, “estimates”, “potential”, “possible”, and similar expressions, or statements that

events, conditions, or results “will”, “may”, “could”, or “should” occur or be achieved. Forward-looking

statements in this news release relate to, among other things, the Company’s exploration plans at the

North-West Leinster Lithium Property , assay results and the impact therefrom . There can be no

assurance that such statements will prove to be accurate, and actual results and future events could differ

materially from those anticipated in such statements. Forward -looking statements reflect the beliefs,

opinions, and projections on the date the statements are made and are based upon a number of

assumptions and estimates that, while considered reasonable by the Company, are inherently subject to

significant business, economic, competitive, political and social uncertainties and contingencies. Many

factors, both known and unknown, could cause actual resu lts, performance, or achievements to be

materially different from the results, performance or achievements that are or may be expressed or

implied by such forward-looking statements and the parties have made assumptions and estimates based

on or related to many of these factors. Such factors include, without limitation, the ability to complete

proposed exploration work given the global COVID-19 pandemic, the results of exploration, continued

availability of capital, and changes in general economic, market a nd business conditions. Readers

should not place undue reliance on the forward -looking statements and information contained in this

news release concerning these items. Readers are urged to refer to the Company's reports, publicly

available through the Can adian Securities Administrators' System for Electronic Document Analysis

and Retrieval (SEDAR) at www.sedar.com for a more complete discussion of such risk factors and their

potential ef fects. The Company does not assume any obligation to update the forward -looking

statements of beliefs, opinions, projections, or other factors, should they change, except as required by

applicable securities laws.

Appendix 1: Analytical Results

Sample_ID Program Li_ppm Li2O%* Prospect

AES63003 Follow Up Sampling Dec 2022 17,410 3.75 Knockeen

AES63033 Follow Up Sampling Dec 2022 16,860 3.63 Knockeen

AES63519 Follow Up Sampling Dec 2022 13,160 2.83 Knockeen

AES63015 Follow Up Sampling Dec 2022 13,050 2.81 Knockeen

AES63029 Follow Up Sampling Dec 2022 12,920 2.78 Knockeen

AES63042 Follow Up Sampling Dec 2022 12,580 2.71 Knockeen

AES63014 Follow Up Sampling Dec 2022 12,200 2.63 Knockeen

AES63021 Follow Up Sampling Dec 2022 12,040 2.59 Knockeen

AES63018 Follow Up Sampling Dec 2022 11,980 2.58 Knockeen

AES63011 Follow Up Sampling Dec 2022 11,820 2.54 Knockeen

AES63023 Follow Up Sampling Dec 2022 11,620 2.50 Knockeen

AES63028 Follow Up Sampling Dec 2022 11,580 2.49 Knockeen

AES63041 Follow Up Sampling Dec 2022 11,570 2.49 Knockeen

AES63037 Follow Up Sampling Dec 2022 11,510 2.48 Knockeen

AES63016 Follow Up Sampling Dec 2022 11,460 2.47 Knockeen

AES63044 Follow Up Sampling Dec 2022 11,340 2.44 Knockeen

AES63012 Follow Up Sampling Dec 2022 11,180 2.41 Knockeen

AES63008 Follow Up Sampling Dec 2022 9,920 2.14 Knockeen

AES63048 Follow Up Sampling Dec 2022 9,520 2.05 Knockeen

AES63043 Follow Up Sampling Dec 2022 9,360 2.02 Knockeen

AES63027 Follow Up Sampling Dec 2022 8,820 1.90 Knockeen

AES63046 Follow Up Sampling Dec 2022 8,790 1.89 Knockeen

AES63516 Follow Up Sampling Dec 2022 8,370 1.80 Knockeen

AES63036 Follow Up Sampling Dec 2022 8,300 1.79 Knockeen

AES63007 Follow Up Sampling Dec 2022 8,090 1.74 Knockeen

AES63026 Follow Up Sampling Dec 2022 8,030 1.73 Knockeen

AES63010 Follow Up Sampling Dec 2022 7,890 1.70 Knockeen

AES63517 Follow Up Sampling Dec 2022 7,910 1.70 Knockeen

AES63512 Follow Up Sampling Dec 2022 7,840 1.69 Knockeen

AES63017 Follow Up Sampling Dec 2022 7,550 1.63 Knockeen

AES63520 Follow Up Sampling Dec 2022 7,370 1.59 Knockeen

AES63049 Follow Up Sampling Dec 2022 7,100 1.53 Knockeen

AES63515 Follow Up Sampling Dec 2022 7,040 1.52 Knockeen

AES63024 Follow Up Sampling Dec 2022 6,190 1.33 Knockeen

AES63031 Follow Up Sampling Dec 2022 6,140 1.32 Knockeen

AES63013 Follow Up Sampling Dec 2022 5,720 1.23 Knockeen

AES63019 Follow Up Sampling Dec 2022 5,420 1.17 Knockeen

AES63030 Follow Up Sampling Dec 2022 5,300 1.14 Knockeen

AES63034 Follow Up Sampling Dec 2022 4,960 1.07 Knockeen

AES63039 Follow Up Sampling Dec 2022 4,790 1.03 Knockeen

AES63022 Follow Up Sampling Dec 2022 4,710 1.01 Knockeen

AES63514 Follow Up Sampling Dec 2022 4,300 0.93 Knockeen

AES63045 Follow Up Sampling Dec 2022 4,290 0.92 Knockeen

AES63025 Follow Up Sampling Dec 2022 3,940 0.85 Knockeen

AES63032 Follow Up Sampling Dec 2022 3,550 0.76 Knockeen

AES63035 Follow Up Sampling Dec 2022 2,680 0.58 Knockeen

AES63009 Follow Up Sampling Dec 2022 1,920 0.41 Knockeen

AES63047 Follow Up Sampling Dec 2022 1,480 0.32 Knockeen

AES63038 Follow Up Sampling Dec 2022 450 0.10 Knockeen

AES63001 Follow Up Sampling Dec 2022 120 0.03 Knockeen

AES63002 Follow Up Sampling Dec 2022 120 0.03 Knockeen

AES63004 Follow Up Sampling Dec 2022 120 0.03 Knockeen

AES63005 Follow Up Sampling Dec 2022 130 0.03 Knockeen

AES63513 Follow Up Sampling Dec 2022 100 0.02 Knockeen

AES63518 Follow Up Sampling Dec 2022 80 0.02 Knockeen

AES63006 Follow Up Sampling Dec 2022 60 0.01 Knockeen

Table 4: Results from follow up prospecting at Knockeen (December 2022)

* Li2O % = Li ppm % (x 2.153)

Sample_ID Program Li_ppm Li2O%* Prospect

AES63504 Follow Up Sampling Dec 2022 9,720 2.09 Carriglead

AES63503 Follow Up Sampling Dec 2022 8,890 1.91 Carriglead

AES63509 Follow Up Sampling Dec 2022 7,870 1.69 Carriglead

AES63501 Follow Up Sampling Dec 2022 7,460 1.61 Carriglead

AES63507 Follow Up Sampling Dec 2022 5,620 1.21 Carriglead

AES63505 Follow Up Sampling Dec 2022 5,120 1.10 Carriglead

AES63508 Follow Up Sampling Dec 2022 3,280 0.71 Carriglead

AES63511 Follow Up Sampling Dec 2022 500 0.11 Carriglead

AES63506 Follow Up Sampling Dec 2022 330 0.07 Carriglead

AES63502 Follow Up Sampling Dec 2022 290 0.06 Carriglead

Table 5: Results from follow up prospecting at Carriglead (December 2022)

* Li2O % = Li ppm % (x 2.153)