Wallbridge Announces Filing of Early Warning Report Related to the Acquisition of Common Shares Carube Copper Corp.

Toronto, Ontario – March 23, 2017 – Wallbridge Mining Company Limited (TSX:WM, FWB: WC7) (the “Wallbridge”) today announced that it has filed an early warning report (the “Report”) announcing that its interest in Carube Copper Corp. (“Carube”) has increased and subsequently decreased in excess of 2% as a result of a debt settlement arrangement amongst Wallbridge and Carube and an equity issuance by Carube.

As of the date hereof, Wallbridge owns 19,235,911 common shares (“Common Shares”) of Carube (the Common Shares are listed for trading on the TSX Venture Exchange (TSXV: CUC), and 400,000 Common Share purchase warrants (“Warrant”) of Carube. On March 21, 2018 5,367,266 common shares (“Common Shares”) of Carube, which shares are listed for trading on the TSX Venture Exchange, were issued to Wallbridge in the satisfaction of $293,204 in outstanding debt ($0.0546 per Common Share) (the “Issuance”). As a result of the Issuance, Wallbridge’s ownership of Carube’s Common Shares increased, on a partiallydiluted basis, by approximately 3.6%. On March 22, 2018, Carube announced the closing of a private placement of 29,823,331 units (the “Private Placement”). As a result of the Private Placement, Wallbridge’s ownership of the Issuer’s Common Shares, on a partially-diluted basis, decreased by 3.3% to 13.1%.

In future, Wallbridge may from time to time acquire or dispose ownership of, or control of direction over, securities of Carube for investment purposes.

About Wallbridge Mining

Wallbridge is establishing a pipeline of projects that will support sustainable production and revenue as well as organic growth through exploration and scalability.

Wallbridge is currently preparing to develop its 100%-owned high-grade Fenelon Gold Property in Quebec with ongoing exploration and a bulk sample targeted to start in 2018. Wallbridge is also pursuing additional advanced stage projects which would add to the Company’s near term project pipeline. These discussions benefit from the operating capabilities Wallbridge demonstrated by safely and efficiently mining the Broken Hammer deposit in Sudbury, which was completed in October 2015. Wallbridge is also continuing partner-funded exploration on its large portfolio of nickel, copper, and PGM projects in Sudbury, Ontario, with a focus on its high-grade Parkin project.

Wallbridge also has exposure to active exploration for copper and gold in Jamaica and British Columbia through its ownership of Carube Copper Corp. (CUC:TSX-V, formerly Miocene Resources Limited).

For more information, please contact:

Sean Stokes, Corporate Secretary, Wallbridge Mining Company Limited Tel: 416-712-7418 [email protected]

This press release may contain forward-looking statements (including "forward-looking information" within the meaning of applicable Canadian securities legislation and "forward- looking statements" within the meaning of the US Private Securities Litigation Reform Act of 1995) relating to, among other things, the operations of Wallbridge and the environment in which it operates. Generally, forward-looking statements can be identified by the use of words such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes", or variations of such words and phrases or statements that certain actions, events or results "may", "could", "would", "might" or "will be taken", "occur" or "be achieved". Wallbridge has relied on a number of assumptions and estimates in making such forward-looking statements, including, without limitation, the costs associated with the development and operation of its properties. Such assumptions and estimates are made in light of the trends and conditions that are considered to be relevant and reasonable based on information available and the circumstances existing at this time. A number of risk factors may cause actual results, level of activity, performance or outcomes of such exploration and/or mine development to be materially different from those expressed or implied by such forward-looking statements including, without limitation, whether such discoveries will result in commercially viable quantities of such mineralized materials, the possibility of changes to project parameters as plans continue to be refined, the ability to execute planned exploration and future drilling programs, the need for additional funding to continue exploration and development efforts, changes in general economic, market and business conditions, and those other risks set forth in Wallbridge's most recent annual information form under the heading "Risk Factors" and in its other public filings. Forward-looking statements are not guarantees of future performance and such information is inherently subject to known and unknown risks, uncertainties and other factors that are difficult to predict and may be beyond the control of Wallbridge. Although Wallbridge has attempted to identify important risks and factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors and risks that cause actions, events or results not to be as anticipated, estimated or intended. Consequently, undue reliance should not be placed on such forward-looking statements. In addition, all forward-looking statements in this press release are given as of the date hereof.

Wallbridge disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, save and except as may be required by applicable securities laws. The forward-looking statements contained herein are expressly qualified by this disclaimer.