Cobalt Blockchain Inc. Terminates LOI with Noble Mineral Exploration Ltd.

COBALT BLOCKCHAIN INC. TERMINATES LOI WITH NOBLE MINERAL

EXPLORATION LTD.

TORONTO, ONTARIO (September 7, 2018) – Cobalt Blockchain Inc. (“COBC” or the

"Company") (TSXV:COBC) announces that it has terminated its Letter of Intent dated September 29,

2017 with Noble Mineral Exploration Ltd. (“Noble”) with respect to Noble’s Dargavel Township

property (see October 2, 2017 Press Release).

On August 27, 2018 Noble announced that it would be unable to provide geological information on

its property in the near future. Accordingly, COBC terminated the Letter of Intent.

About Cobalt Blockchain Inc.

Cobalt Blockchain Inc. (TSXV:COBC) is a Canadian resource company expanding its exploration

and development business to include cobalt assets in the Democratic Republic of the Congo (DRC).

COBC has acquired a 100% interest in an existing metals trading business specializing in sourcing

minerals from artisanal and small-scale mines in the DRC, in compliance with international

procurement standards. Leveraging its experi ence with existing supply chain due diligence

initiatives, COBC is working with partners to develop a blockchain based reporting platform to

provide greater certainty of provenance and further assurance that all minerals procured are ethically-

sourced. Senior management have over twelve years of experience working in the DRC and a proven

international track record in exploration success and the trading of certified conflict-free, child-

labour-free minerals.

For additional information, please contact:

Lance Hooper, President and Chief Operating Officer

Cobalt Blockchain Inc.

Telephone: +1-416-500-3670

Email: [email protected]

Website: www.cobc.co

Forward-Looking Information

This release includes certain statements that may be deem ed "forward-looking statements". All statements in this

release, other than statements of hist orical facts, that address future pr oduction, reserve potential, exploration

drilling, exploitation activities and events or developm ents that the Company expects are forward-looking

statements. Although the Company believes the expectations expressed in such statements are based on reasonable

assumptions, such statements are not guarantees of future performance and actual results or developments may

differ materially from those in the statements. There are certain factors that could ca use actual results to differ

materially from those in

forward-looking statements. These in clude market prices, exploitation and exploration successes, continued

availability of capital and financing, and general econom ic, market or business conditions. Investors are cautioned

that any such statements ar e not guarantees of future performance and actual results or developments may differ

materially from those projected in the forward-looking statements. For more information on the Company, investors

should review registered filings at www.sedar.com.

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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.