Westwater Resources to Join Russell Microcap® Index

Effective at Market Open on June 28, 2021

Westwater Resources Inc. (NYSE American: WWR) an energy materials company and developer of U.S. mineral resources essential for batteries for energy storage, today announced it is set to join the Russell Microcap® Index, effective at market open on June 28, 2021. The decision by Russell was first disclosed in a preliminary list of additions recently published.

Membership in the Russell Microcap® Index, which remains in place for one year, means automatic inclusion in the appropriate growth and value style indexes. FTSE Russell determines membership for its indexes primarily by objective, market capitalization rankings and style attributes.

"Joining the Russell Microcap® Index is an important milestone for Westwater as we receive recognition from one of the most prominent index providers followed by investment managers across our country," said Christopher Jones, President and CEO of Westwater Resources. "We are hopeful this will expand the participation of institutional investors and benefit our shareholders with improved liquidity and visibility. We believe 2021 will be an important year for Westwater, as we seek to reach our strategic objectives and create additional value for our shareholders."

About Westwater Resources

Westwater Resources (NYSE American: WWR) is focused on developing battery-grade graphite. The Company's projects include the Coosa Graphite Project - the most advanced natural flake graphite project in the contiguous United States - and the associated Coosa Graphite Deposit located across 41,900 acres (~17,000 hectares) in east-central Alabama. For more information, visit www.westwaterresources.net.

About FTSE Russell

FTSE Russell is a global index leader that provides innovative benchmarking, analytics and data solutions for investors worldwide. FTSE Russell calculates thousands of indexes that measure and benchmark markets and asset classes in more than 70 countries, covering 98% of the investable market globally.

FTSE Russell index expertise and products are used extensively by institutional and retail investors globally. Approximately $17.9 trillion is currently benchmarked to FTSE Russell indexes. For over 30 years, leading asset owners, asset managers, ETF providers and investment banks have chosen FTSE Russell indexes to benchmark their investment performance and create ETFs, structured products and index-based derivatives.

A core set of universal principles guides FTSE Russell index design and management: a transparent rules-based methodology is informed by independent committees of leading market participants. FTSE Russell is focused on applying the highest industry standards in index design and governance and embraces the IOSCO Principles. FTSE Russell is also focused on index innovation and customer partnerships as it seeks to enhance the breadth, depth and reach of its offering.

FTSE Russell is wholly owned by London Stock Exchange Group.

For more information, visit www.ftserussell.com.

Cautionary Statement

This news release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are subject to risks, uncertainties and assumptions and are identified by words such as "expects," "estimates," "projects," "anticipates," "believes," "could," "scheduled," and other similar words. All statements addressing events or developments that WWR expects or anticipates will occur in the future, including but not limited to improved liquidity and visibility in the Company's stock, participation of institutional investors, and reaching strategic objectives. Because they are forward-looking, they should be evaluated in light of important risk factors and uncertainties. These risk factors and uncertainties include, but are not limited to, (a) the Company's ability to successfully construct and operate a processing plant capable of producing battery grade materials in quantities and on schedules consistent with the Coosa Graphite Project business plan; (b) the Company's ability to raise additional capital in the future including the ability to utilize existing financing facilities; (c) spot price and long-term contract price of graphite and vanadium; (d) risks associated with our operations and the operations of our partners such as Dorfner Anzaplan and Samuel Engineering, including the impact of COVID-19; (e) operating conditions at the Company's projects; (f) government and tribal regulation of the graphite industry and the vanadium industry; (g) world-wide graphite and vanadium supply and demand, including the supply and demand for energy storage batteries; (h) unanticipated geological, processing, regulatory and legal or other problems the Company may encounter in the jurisdictions where the Company operates or intends to operate, including but not limited to Alabama; (i) the ability of the Company to enter into and successfully close acquisitions or other material transactions,; (j) any graphite or vanadium discoveries not being in high-enough concentration to make it economic to extract the minerals; (k) currently pending or new litigation or arbitration; and (l) other factors which are more fully described in the Company's Annual Report on Form 10-K, subsequent Quarterly Reports on Form 10-Q, and other filings with the Securities and Exchange Commission. Should one or more of these risks or uncertainties materialize or should any of the Company's underlying assumptions prove incorrect, actual results may vary materially from those currently anticipated. In addition, undue reliance should not be placed on the Company's forward-looking statements. Except as required by law, the Company disclaims any obligation to update or publicly announce any revisions to any of the forward-looking statements contained in this news release.

View source version on businesswire.com: https://www.businesswire.com/news/home/20210617005262/en/

Westwater Resources

Christopher M. Jones, President & CEO
Phone: 303.531.0480
Jeff Vigil, VP Finance & CFO
Phone: 303.531.0481
Email: Info@WestwaterResources.net

Product Sales Contact:
Jay Wago, Vice President - Sales and Marketing
Phone: 303.531.0472
Email: Sales@westwaterresources.net

Investor Relations
Porter, LeVay & Rose
Michael Porter, President
Phone: 212.564.4700
Email: Westwater@plrinvest.com