Callinex Commences Drilling to Test Highly Conductive Anomalies Along Strike from the Rainbow Deposit in the Flin Flon Mining District of Manitoba

Highlights:

• Drilling to test recently identified highly conductive anomalies along strike to the south of the Rainbow Discovery;
• The four untested anomalies each have a strike extent of 300m and start within 200m of surface; and
• Drilling also focused on continuing to define the Orange and Yellow zones of the Rainbow Deposit.

VANCOUVER, Feb. 16, 2021 - Callinex Mines Inc. (the "Company" or "Callinex") (TSXV: CNX) (OTC: CLLXF) is pleased to announce that it has commenced its 2021 drilling campaign (the "Campaign") at its Pine Bay Project (the "Project") located 16km away from Flin Flon, MB (District Overview Map). The Campaign will start immediately with the completion of two drill holes for 1,600 meters of the 30,000 meters budgeted for 2021 (Rainbow Discovery Plan View).

The first drill (PBM-116) will continue stepping out from the Orange and Yellow zones, the first two zones discovered to date at the Rainbow Deposit, with an immediate focus of continuing to define mineralization closer to surface (Rainbow Discovery Long Section). The Rainbow Discovery has been made on Callinex's mineral lease, less than 250m from a high-voltage power-line and 550m from a historic shaft with direct road access to processing facilities in Flin Flon, MB.

A second drill (PBM-117) will immediately test three of the four highly conductive anomalies that were recently identified near-surface and along strike to the south of the Orange and Yellow zones of the Rainbow Discovery (Rainbow Discovery 3D View). Each of the three modeled conductive anomalies being tested has a strike extent of 300 metres and are interpreted to begin at a vertical depth of 200 metres.

The identified anomalies expand the strike extent of the Rainbow over 1 km to the south (See News Release Dated January 21, 2021). The three major base metal mines discovered in the Flin Flon/Snow Lake Greenstone Belt with tonnages ranging between 25 - 70 million tonnes have a strike length over 1 km. Based on the recent survey, the Rainbow Discovery has a strike length of at least a kilometre with potential to grow further along strike to the south.

While none of these plates have been tested by diamond drilling, some historical holes in the vicinity have intersected alteration and geology as seen in recent Rainbow zone drilling. Anomaly 5, which is the modeled conductive body of the Orange and Yellow zones, has a modeled strike extent of 150m, or half the length of Anomalies 1-4. It should be noted that deposits in the Flin Flon Greenstone Belt typically have a plunge extent on average between 5-8 times the strike of the deposit. Additionally, all larger producing Volcanogenic Massive Sulphide ("VMS") mines are made up of a number of stacked zones or lenses such as the Orange and Yellow zones discovered to date at the Rainbow.

J.J. O'Donnell, P.Geo, a qualified person under National Instrument 43-101 and Exploration Manager for Callinex, has reviewed and approved the technical information in this news release.

Figure 1: Flin Flon Mining District Region Overview

Figure 2: Pine Bay Project Rainbow Discovery SPEM Survey Plan View with 2021 Drilling

Figure 3: Pine Bay Project Rainbow Discovery Long Section with Proposed 2021 Drilling

Figure 4: Pine Bay Project Rainbow Discovery 3D View

About Callinex Mines Inc.

Callinex Mines Inc. (TSXV: CNX) (OTC: CLLXF) is advancing its portfolio of base and precious metals rich deposits located in established Canadian mining jurisdictions. The portfolio is highlighted by the rapidly expanding Rainbow Discovery at its Pine Bay Project located near existing infrastructure in the Flin Flon Mining District. Additionally, Callinex has emerging near-surface silver discoveries at its Nash Creek Project located in the Bathurst Mining District of New Brunswick. A 2018 PEA on the Company's Bathurst projects outlined a mine plan that generates a strong economic return with a pre-tax IRR of 34.1% (25.2% post-tax) and NPV8% of $230 million ($128 million post-tax).

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.

Some statements in this news release contain forward-looking information. These statements include, but are not limited to, statements with respect to future expenditures. These statements address future events and conditions and, as such, involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the statements. Such factors include, among others, the ability to complete future drill programs and the timing and amount of expenditures. Except as required under applicable securities laws, Callinex does not assume the obligation to update any forward-looking statement.

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SOURCE Callinex Mines Inc.