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Standard Lithium Comments on Short Seller Report

Company Commentary

Standard Lithium Comments on Short Seller Report

VANCOUVER, British Columbia, Feb. 03, 2022 -- Standard Lithium Ltd. (“Standard Lithium” or the “Company”) (TSXV: SLI)

(NYSE: SLI) (FRA: S5L), is issuing the following statement in response to the false and misleading report (the “report”) from

Hindenburg Research.

Standard Lithium believes the report is clearly intended to benefit Hindenburg Research, which itself has disclosed that it

stands to profit in the event that the stock price of Standard Lithium declines. Standard Lithium cautions investors not to make

decisions based on this report and instead strongly encourages them to consult credible and informed sources, including

Standard Lithium’s filings with the Canadian securities regulatory authorities and the U.S. Securities and Exchange

Commission prior to making investment decisions.

Standard Lithium Management

Since joining the Company as Chief Executive Officer in March 2017, Robert Mintak has built a large and dynamic team with a

broad and diverse skill set. Under Mr. Mintak’s leadership, management is executing a clear strategy, which has been to build

a large asset base in a region which supports project development and to develop and de-risk a bespoke DLE technology that

can be deployed using Standard Lithium’s and its partner’s lithium brine assets. To date, management and the entire Standard

Lithium team have achieved substantial progress by completing several scale-ups of the technology, successfully operating

the demonstration plant at the facility in Arkansas since May 2020 and advancing the project towards commercialization (see

news release dated Jan 20th 2022).

Asset Base

Management has sourced and developed a significant asset base over the last five years with several strategic partners. These

current projects now include, among others, developments in southern Arkansas in partnership with LANXESS Corporation

and Tetra Technologies, as well as the Mojave Project in southern California in partnership with National Chloride.

Intellectual Property and R & D Costs

All of the Company's patent applications are active and continue to be prosecuted in the ordinary course. The Company has a

routine and established process for seeking to register patent rights in the United States, which involves various levels of

review, response and refinement. In addition, the Company has concurrent PCT applications pending with respect to these

inventions, through which it is seeking to obtain patent rights outside of the United States .

It is claimed in the report that only approximately CDN $ 1.7 mm has been spent on research and development. This figure is

incorrect and does not include either the CDN $ 29,409,930 spent on the various pilot and demonstration plants that has been

capitalized, or the CDN $ 6,932,598 spent on operating expenses at our pilot and demonstration plant, both of which

constitute our ongoing R&D program, and are disclosed as of September 30, 2021 in the Company’s most recent financial

statement and the end of year statement as at June 30, 2021.

The Company is committed to developing its projects in collaboration with its strategic partners, and is confident in its lithium

extraction technology and Demonstration Plant and will maintain its focus on executing its strategic plans and progressing

towards definitive feasibility and commercialisation at the Lanxess facility. The Company will not be providing further comment

on the report at this time.

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 operates 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

proprietary 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

evaporation 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 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

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 prices of commodities, accuracy of mineral

or resource exploration activity, reserves or resources, 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, 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. The Company

does not intend, and does not assume any obligation, to update these forward-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.

For further information contact:

LHA Investor Relations

David Barnard

+1 415-433-3777

[email protected]

[email protected]

Twitter: @standardlithium

LinkedIn: https://www.linkedin.com/company/standard-lithium/