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South Star Battery Metals Announces Corporate Update including Santa Cruz Graphite Mine Phase 1 Construction Update

Financings Mine Development & Operations

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NEWS RELEASE

South Star Battery Metals Announces Corporate Update including Santa Cruz Graphite Mine Phase 1

Construction Update

Highlights:

• Santa Cruz Phase 1 construction is on budget and on schedule through end of April with commercial

production planned for the EOY 2023.

• Drilling at BamaStar to support NI 43-101 Preliminary Economic Assessment (“PEA”) mobilized May

15th, 2023 for a 2 month diamond drilling program.

• South Star is reviewing proposals for the NI 43-101 preliminary economic assessment (“PEA”)

scheduled for end of Q1 2024.

• South Star will participate in 121 Mining Investment Conference in New York and Benchmark

Gigafactories USA conference in Washington DC.

• South Star has hired a new market making service provider.

• Closing of private placement.

Vancouver, Canada, May 23, 2023 – South Star Battery Metals Corp. (“South Star” or the “Company”) (TSXV: STS)

(OTCQB: STSBD), is pleased to announce a Phase 1 construction update for the Santa Cruz Graphite Mine in Bahia

Brazil, as well as providing a general corporate update.

Richard Pearce, CEO of South Star commented, “ Santa Cruz construction on the Phase 1 plant and mine

installations continues on budget and on schedule through the end April 2023. BamaStar is moving forward. The

same drillers we used on the maiden resource program at BamaStar mobilized May 15th for a 2-month diamond

drilling campaign in support of the upcoming PEA, which will present our 5 -7 year strategic plan of two mines

producing a 100,000 tonne per year (“tpy”) of high quality conce ntrates and 60 -70,000 tpy of value -add and

battery anode materials. South Star has two scalable assets in strategic, stable, mining-friendly jurisdictions and

the team to build and operate them in a safe responsible manner in partnership with communities and

stakeholders. It’s happening at the perfect time , when supply is constrained and demand is growing

exponentially. This dynamic is expected to place significant pressure on the graphite price in 2023 and for the

foreseeable future. Santa Cruz will be the first new graphite producer in the Americas since 1996, and BamaStar

is expected to be producing in 2027.”

Santa Cruz Construction and Licensing Update

Construction through the end of April 2023 is on schedule and on budget for Phase 1 commercial production at

the EOY 2023. Q2 2023 the main work programs include:

• Civil construction, foundations, and retention walls for the plant area;

• Civil infrastructure including entrance, security, additional offices, supply chain storage warehouse and

contractor support area;

• Electrical substation and internal electrical distribution network; &

• Delivery of approximately 35% of the major equipment.

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BamaStar PEA

The drilling company has mobilized for a 2-month drilling program in support of the upcoming PEA, planned for

completion end of Q3, 2024. The driller is the same company that completed the recently filed maiden resource

definition drilling program. The PEA program will include approximately 1,500-2,000 meters, and the goals are to

expand the existing mineral resources, continue testing boundaries and improve the understanding of the

geology and mineralization controls. The drilling program includes both step -out drilling to expand resource

definition and some in -fill drilling to upgrade inferred resources into measured and indicated categories. The

program will also include some oriented core in key holes to better understand structures and

geotechnical/geomechanical parameters.

In addition, the Company is reviewing proposals for the upcoming PEA, which will present the 5-7 year strategic

plan of two mines in strategic jurisdictions producing a 100,000 tonne per year (“tpy ”) of high quality

concentrates and 60 -70,000 tpy of value -add and battery anode materials . The Company is advancing with

studies associated with value -add physical and chemical characterizations, battery suitability tests, as well as

floatation, purification, micronization and spheronization technologies.

South Star Participation in Upcoming 121 Mining Investment Conference in New York City and the

Benchmark Minerals Intelligence Gigafactory USA Conference in Washington DC

South Star is pleased to announce its participation in the upcoming 121 Mining Investment Conference in New

York City on June 5-6. 121 Mining Investment New York will be hosting approximately 80 mining companies and

more than 300 investors for two days of targeted one to one meetings. In addition, the Company will be

participating in the Benchmark Minerals Intelligence Battery Gigafactories USA 2023 Conference in Washington

DC on June 8-9. The conference will explore the rise of USA’s lithium ion battery gigafactory economy and the

need to build secure, sustainable supply chains for lithium, nickel, graphite, cobalt, manganese, rare earths and

other critical raw materials.

South Star Retains Red Cloud Securities Inc. to provide Market-Making Services

South Star has retained Red Cloud Securities Inc. (“Red Cloud”), an arm’s length party, to provide market

stabilization and liquidity services in compliance with the policies and guidelines of the TSX Venture Exchange.

Red Cloud is an established IIROC regulated broker dealer offering corporate issuers advisory, investment

banking, research, and distribution services. As consideration for the services, the Company has agreed to pay

Red Cloud a flat monthly fee of $5,000, payable quarterly in advance. Re d Cloud will provide the services on an

ongoing basis unless the agreement is terminated by either party with no less than 30 days’ prior notice.

Red Cloud and/or its clients may have an interest, directly or indirectly, in the securities of the Company. There

are no performance factors contained in the agreement with Red Cloud and Red Cloud will not receive any

common shares or options from the Company as compensation for its services. The engagement of Red Cloud is

subject to the approval of the TSX Venture Exchange.

Closing of a Non-Brokered Private Placement

South Star has completed a non-brokered private placement of units (the “Private Placement” or the “Offering”)

for total proceeds of C$67,800.25. Net proceeds from the Private Placement will be used for exploration,

development, Phase 1 construction activities, corporate G&A and general working capital requirements. Phase 1

commercial production is planned for Q4 2023.

The Private Placement consists of 127,925 units priced at C$0.53 per unit (the “Units”). Each Unit consists of one

(1) common share and one (1) common share purchase warrant (the “Warrants”). Each Warrant entitle s the

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holder to purchase one additional common share of the Company at an exercise price of C$ 1.25 per common

share for a period of five years from the date of issue, subject to acceleration as set out below . The securities

issued in this Private Placement will be subject to a four-month hold period from the date of closing and approval

by the TSXV, expiring September 24, 2023.

If during a period of ten consecutive trading days between the date that is four (4) months following the closing

of the Private Placement and the expiry of the Warrants the daily volume weighted average trading price of the

common shares of the Company on the TSXV (or such oth er stock exchange where the majority of the trading

volume occurs) exceeds C$2.50 for each of those ten consecutive days, the Company may, within 30 days of such

an occurrence, give written notice to the holders of the Warrants that the Warrants will expir e at 4:00 p.m.

(Vancouver time) on the 30th day following the giving of notice unless exercised by the holders prior to such

date. Upon receipt of such notice, the holders of the Warrants will have 30 days to exercise their Warrants. Any

Warrants which remain unexercised at 4:00 p.m. (Vancouver time) on the 30th day following the giving of such

notice will expire at that time.

ABOUT SOUTH STAR BATTERY METALS CORP

South Star Battery Metals Corp. is a Canadian battery metals project developer focused on the s elective

acquisition and development of near-term production projects in the Americas. South Star’s Santa Cruz Graphite

Project, located in Southern Bahia, Brazil is the first of a series of industrial and battery metals projects that will

be put into prod uction. Brazil is the second -largest graphite-producing region in the world with more than 80

years of continuous mining. Santa Cruz has at -surface mineralization in friable materials, and successful large -

scale pilot-plant testing (>30t) has been completed. The results of the testing show that approximately 65% of Cg

concentrate is +80 mesh with good recoveries and 95%-99% Cg. With excellent infrastructure and logistics, South

Star is fully funded for Phase 1, and the 12 -month construction and commissionin g are underway. Santa Cruz

will be the first new graphite production in the Americas since 1996 with Phase 1 commercial production

projected in Q 4 2023. Phase 2 production (25,000tpy) is partially funded and planned for 2026, while Phase 3

(50,000tpy) is scheduled for 2028.

South Star’s second project in the development pipeline is strategically located in Alabama in the center of a

developing electric vehicle, aerospace and defense hub in the southeastern United States. The BamaStar Project

is a historic mine active during World Wars I & II. Trenching, phase 1 drilling, sampling, analysis, and preliminary

metallurgical testing have been completed. The testing indicates a traditional crush/grind/flotation concentration

circuit that achieved grades of approximately 9 4-97% Cg with approximately 86% recoveries. South Star is

executing on its plan to create a multi -asset, diversified battery metals company with near -term operations in

strategic jurisdictions. South Star trades on the TSX Venture Exchange under the symbol STS, and on the OTCQB

under the symbol STSBF.

South Star is committed to a corporate culture, project execution plan and safe operations that embrace the

highest standards of ESG principles based on transparency, stakeholder engagement, ongoing education , and

stewardship. To learn more, please visit the Company website at http://www.southstarbatterymetals.com.

This news release has been reviewed and approved by Richard Pearce, P.E., a "Qualified Person" under National

Instrument 43-101 and President and CEO of South Star Battery Metals Corp.

On behalf of the Board,

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Mr. Richard Pearce

Chief Executive Officer

For additional information, please contact:

South Star Investor Relations

Email: [email protected]

+1 (604) 706-0212

Twitter: https://twitter.com/southstarbm

Facebook: https://www.facebook.com/southstarbatterymetals

LinkedIn: https://www.linkedin.com/company/southstarbatterymetals/

YouTube: South Star Battery Metals - YouTube

CAUTIONARY STATEMENT

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

TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this press release.

FORWARD-LOOKING INFORMATION

This press release contains "forward-looking statements" within the meaning of applicable securities legislation.

Forward-looking statements relate to information that is based on assumptions of management, forecasts of

future results, and estimates of amoun ts not yet determinable. Any statements that express predictions,

expectations, beliefs, plans, projections, objectives, assumptions or future events or performance are not

statements of historical fact and may be "forward-looking statements". Forward-looking statements in this press

release include, but are not limited to, statements regarding: moving Santa Cruz into production and scaling

operations as well as advancing the Alabama project; and the Company’s plans and expectations.

Forward-looking statements are subject to a variety of risks and uncertainties which could cause actual events or

results to differ from those reflected in the forward-looking statements, including, without limitation: risks related

to failure to obtain adequate financing on a timely basis and on acceptable terms; risks related to the outcome of

legal proceedings; political and regulatory risks associated with mining and exploration; risks related to the

maintenance of stock exchange listings; risks related to environmental regul ation and liability; the potential for

delays in exploration or development activities or the completion of feasibility studies; the uncertainty of

profitability; risks and uncertainties relating to the interpretation of drill results, the geology, grade and continuity

of mineral deposits; risks related to the inherent uncertainty of production and cost estimates and the potential

for unexpected costs and expenses; results of prefeasibility and feasibility studies, and the possibility that future

exploration, development or mining results will not be consistent with the Company's expectations; risks related

to commodity price fluctuations; and other risks and uncertainties related to the Company's prospects, properties

and business detailed elsewhere in the Company's disclosure record. Should one or more of these risks and

uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially

from those described in forward-looking statements. Investors are cautioned against attributing undue certainty

to forward -looking statements. These forward -looking statements are made as of the date hereof and the

Company does not assume any obligation to update or revise them to reflect new events or circumstances. Actual

events or results could differ materially from the Company's expectations or projections.

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