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SLI.V ·

Standard Lithium Announces No Material Changes

Corporate Updates

STANDARD LITHIUM ANNOUNCES NO MATERIAL CHANGES

June 5 th, 2020 – Vancouver, BC – Standard Lithium Ltd. (“Standard Lithium ” or the

“Company”) (TSXV: SLL) (OTCQX: STLHF) (FRA: S5L) is issuing this press release at the

request of the Investment Industry Regulatory Organization of Canada (IIROC) to comment on

recent trading activity in its common shares.

The Company confirms that it is not aware of any material undisclosed corporate developments

and has no material changes to report at this time. The Company will keep the market informed

as required.

About Standard Lithium Ltd.

Standard Lithium is a specialty chemical company focused on unlocking the value of existing

large-scale US based lithium-brine resources. The Company believes new lithium production

can be brought on stream rapidly by minimizing project risks at selection stage (resource,

political, geographic, regulatory, and permitting), and by leveraging advances in lithium

extraction technologies and processes. 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 is currently

installing a first-of-its-kind Demonstration Plant that will use the Company’s proprietary

technology to selectively extract lithium from LANXESS’ tailbrine. The Demonstration Plant will

be used to prove commercial feasibility. This 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 southwestern Arkansas and approximately 45,000 acres of mineral leases

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

Standard Lithium is listed on the TSX Venture Exchange under the trading symbol “SLL”;

quoted on the OTC - Nasdaq Intl Designation under the symbol “STLHF”; and on the Frankfurt

Stock Exchange under the symbol “S5L”. Please visit the Company’s website at

www.standardlithium.com.

Contact Information:

Anthony Alvaro, Director 1-604-260-4793

Kara Norman, CFO 1-604-260-0876

[email protected]

On behalf of the Board,

Standard Lithium Ltd.

Robert Mintak, CEO & Director

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

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.