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SLI.V ·

Standard Lithium Confirms Engagement of Stifel Gmp

Corporate Updates

STANDARD LITHIUM CONFIRMS ENGAGEMENT OF STIFEL GMP

March 9, 2022 – Vancouver, BC – Standard Lithium Ltd. (“Standard Lithium” or the “Company”)

(TSXV: SL I) ( NYSE: SL I) (FRA: S5L), an innovative technology and lithium project development

company, confirms that Stifel Nicolas Canada Inc. (“ Stifel GMP”) acted as financial advisor to Standard

Lithium during negotiation of the agreement reached with LANXESS Corporation (“ Lanxess”) on

February 23, 2022. In consideration for acting as an advisor, Stifel is entitled to receive a cash payment

of $250,000 and common shares of the Company with a value of $1,000,000. One -half of the

consideration is due and owing to Stifel immediately , with the balance due when final definitive

agreements for the first commercial project with Lanxess are completed. As such the Company will pay

to Stifel $125,000 and will issue 60,235 common shares which will be subject to a statutory hold period

in ac cordance with applicable securities laws for a period of four months and one day following the

issuance. Completion of the issuance of common shares to Stifel GMP remains subject to approval of the

TSX Venture Exchange.

About Standard Lithium Ltd.

Standard Lithium is an innovative technology and lithium development company. The Company’s

flagship project is located in southern Arkansas, where it is engaged in the testing and proving of the

commercial viability of lithium extraction from over 150,000 acres of permitted brine operations. The

Company has commissioned its first -of-a-kind industrial -scale direct lithium extraction demonstration

plant at Lanxess ’s south plant facility in southern Arkansas. The demonstration plant utilizes the

Company’s pro prietary LiSTR technology to selectively extract lithium from Lanxess ’s tail brine. The

demonstration plant is being used for proof -of-concept and commercial feasibility studies. The scalable,

environmentally friendly process eliminates the use of evaporat ion ponds, reduces processing time from

months to hours and greatly increases the effective recovery of lithium. The Company is also pursuing the

resource development of over 30,000 acres of separate brine leases located in southwest Arkansas,

referred to as the South West Arkansas Lithium Project, and approximately 45,000 acres of mineral leases

located in the Mojave Desert in San Bernardino County, California.

Standard Lithium is jointly listed on the TSX Venture Exchange and the NYSE American Exchanges

under the trading symbol “SLI”; and on the Frankfurt Stock Exchange under the symbol “S5L”. Please

visit the Company’s website at https://www.standardlithium.com.

On behalf of the Board of Standard Lithium Ltd.

Robert Mintak, CEO & Director

For further information, contact:

LHA Investor Relations

David Barnard

+1 415-433-3777

[email protected]

[email protected]

Neither 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 release. This news

release may contain certain “Forward-Looking Statements” within the meaning of the United States

Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws. When used in

this news release, the words “anticipate”, “believe”, “estimate”, “expect”, “target”, “plan”,

“forecast”, “may”, “schedule” and other similar words or expressions identify forward -looking

statements or information. These forward-looking statements or information may relate to future plans

and objectives of the Company, future prices of commodities, accura cy of mineral or resource

exploration activity, reserves or resources, accuracy of preliminary economic assessments, including net

present value, internal rate of return, capital and operating costs, life of mine production, progression of

the project, including to a pre-feasibility study, regulatory or government requirements or approvals, the

reliability of third party information, continued access to mineral properties or infrastructure,

fluctuations in the market for lithium and its derivatives, changes in exploration costs and government

regulation in Canada and the United States, and other factors or information . Such statements represent

the Company’s current views with respect to future events and are necessarily 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 risks, contingencies and uncertainties.

Many factors, both known and unknown, could cause results, per formance 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. The Company does not intend, and does not assume any

obligation, to update these f orward-looking statements or information to reflect changes in assumptions

or changes in circumstances or any other events affections such statements and information other than as

required by applicable laws, rules and regulations.