Millennial Enters Into Property Option Agreement to Joint Venture Up to 80% Pocitos West Project

VANCOUVER, BRITISH COLUMBIA--(Marketwired - May 23, 2017) - Millennial Lithium Corp. (TSX VENTURE:ML)(FRANKFURT:A3N2)(OTCQB:MLNLF) ("Millennial" or the "Company") is pleased to announce that it has entered into a Mineral Property Option Agreement dated May 19, 2017 (the "Option Agreement") with Liberty One Lithium Corp. (TSX VENTURE:LBY )("Liberty") to joint venture up to an 80% interest in the Pocitos West Project (the "Property") consisting of 15,857 hectares (39,183 acres) of prospective lithium brine exploitation concessions on the Pocitos Salar in Salta Province, Argentina (the "Transaction").

As consideration for grant of the option and pursuant to the terms of the Option Agreement, Liberty will pay Millennial aggregate cash consideration of US$5,500,000 and incur an aggregate of $1,000,000 of staged expenditures to earn a 70% interest in the Property as follows:

Liberty has the option to earn a further 10% interest in the Property if it completes a bankable commercial feasibility study on the Property within 42 months of the closing of the Transaction.

The Pocitos West Project is located 160km from Salta, and approximately 40 km due west of Millennial's flagship Pastos Grandes Project. The Property is directly accessible by Salta Provincial Highway 17 and close to other high quality regional and site infrastructure including local labour, rail and power generation. The Property is adjacent to ground recently acquired by Pure Energy Minerals Ltd. and is strategically located in close proximately to known lithium resources including the Rincon Project located 32 kilometres (km) to the north and the Sal De Vida Project 90km to the south.

The Transaction is subject to certain closing conditions, including, the approval of the TSX Venture Exchange (the "TSXV"). There can be no assurance that the Transaction will close as proposed or at all.

This news release has been reviewed by Iain Scarr, AIPG, CPG, who is COO of the Company and a qualified person as that term is defined in National Instrument 43-101.

To find out more about Millennial Lithium Corp, please contact investor relations at (604) 662-8184 or email info@millenniallithium.com.

MILLENNIAL LITHIUM CORP.

Graham Harris, Chairman, Director

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER (AS THAT TERM IS DEFINED IN THE 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 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, currency risks including the exchange rate of USD$ for Cdn$, fluctuations in the market for lithium, changes in exploration costs and government royalties or taxes in Argentina 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.