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SLI.V ·

Standard Lithium Signs Joint Venture Term Sheet with Global Specialty Chemical Company Lanxess

Mergers & Acquisitions Partnerships & JV

STANDARD LITHIUM SIGNS JOINT VENTURE TERM SHEET WITH GLOBAL SPECIALTY

CHEMICAL COMPANY LANXESS

November 12, 2018 – Vancouver, BC – Standard Lithium Ltd. (“Standard Lithium” or the

“Company”) (TSXV: SLL) (OTC -NASADAQ INTL DESIGNATION : STLHF) (FRA: S5L),

announces that it has signed a term sheet (the “Term Sheet”) with global specialty chemical

company LANXESS Corporation (“ LANXESS”) for a contemplated joint venture in the

commercial production of battery grade lithium from brine extracted from the Smackover

Formation in South Arkansas.

Standard Lithium is working with L ANXESS in a phased approach as per terms of a binding

memorandum of understanding, to develop commercial opportunities related to the production,

marketing and sale of battery grade lithium products extracted from brine produced from the

Smackover Formation.

Under the proposed terms of the joint venture, L ANXESS would contribute lithium extraction

rights and grant access to its existing infrastructure to the joint venture, and Standard Lithium

would contribute existing rights and leases held in the Smackover Formation and the pilot plant

being developed on the Property, as well as its proprietary extraction processes including all

relevant intellectual property rights. Upon proof of concept, LANXESS is prepared to provide

funding to the joint venture to allow for commercial development of the future commercial

project, and it is anticipated that the joint venture will include options for Standard Lithium to

participate in project funding on similar terms. The final terms of the joint venture and any

funding arrangement remain subject to completion of due diligence, technical proof of concept,

normal economic viability studies (e.g. Preliminary Feasibility Study etc.) to confirm the technical

feasibility and economic viability of the project, and the negotiation of definitive agreements

between the parties.

About Standard Lithium Ltd.

The Company’s flagship LANXESS 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 utilising the Company’s proprietary selective extraction

technology. The Company is also pursuing the resource development of over 30,000 acres of

separate brine leases located in southwest ern Arkansas and approximately 45,000 acres of

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

Investors are cautioned that without a Pre- Feasibility or Feasibility study prepared in

accordance with NI 43- 101 there can be no assurance that the Term Sheet will result in an

actual producing lithium mine.

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.

For further information, contact Anthony Alvaro at (604) 240 4793

On behalf of the Board,

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 der ivatives, 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.