Standard Lithium Retains Market-Making Services

STANDARD LITHIUM LTD.

Suite 835, 1100 Melville Street

Vancouver, British Columbia

V6E 4A6

NEWS RELEASE

STANDARD LITHIUM RETAINS MARKET-MAKING SERVICES

June 18, 2018 – Vancouver, BC – Standard Lithium Ltd.(“Standard Lithium” or the

“Company”) (TSXV: SLL) (FRA: S5L) is pleased to announce that it has, subject to regulatory

approval, retained Venture Liquidity Providers Inc. (VLP) to initiate its market-making service

to provide assistance in maintaining an orderly trading market for the common shares of the

company.

The market-making service will be undertaken by VLP through a registered broker, W.D.

Latimer Co. Ltd., in compliance with the applicable policies of the TSX Venture Exchange and

other applicable laws. For its services, the corporation has agreed to pay VLP $5,000 per month

for a period of 12 months. The agreement may be terminated at any time by the corporation or

VLP. The corporation and VLP act at arm's length, and VLP has no present interest, directly or

indirectly, in the corporation or its securities. The finances and the shares required for the

market-making service are provided by W.D. Latimer. The fee paid by the company to VLP is

for services only.

VLP is a specialized consulting firm based in Toronto providing a variety of services focused on

TSX-V-listed issuers.

About Standard Lithium

Standard’s value creation strategy encompasses acquiring a diverse and highly prospective

portfolio of large-scale brownfield domestic brine resources, led by an innovative and results-

oriented management team with a strong focus on technical skills and modern brine processing

technologies. The Company’s flagship project is in southern Arkansas, where it is engaged in

the testing and proving of commercial viability of lithium extraction from 150,000+ acres of

permitted brine operations and also the resource development of 30,000+ acres of separate brine

leases, both located in the Smackover Formation. It is also engaged in the exploration and

resource development of approximately 45,000 acres at the Bristol and Cadiz Dry Lake Lithium

Projects located in the Mojave Desert, San Bernardino County, California. All of Standard

Lithium’s Project areas have significant infrastructure in-place, with easy road and rail access,

abundant electricity and water sources, and already permitted brine extraction and processing

operations.

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

OTCQX under the symbol “STLHF”; and on the Frankfurt Stock Exchange under the symbol

“S5L”. Please visit the Company’s website atwww.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.