Palladium One Identifies Additional Drill Targets on 17 Km Long Haukiaho Trend at LK PGE-Ni-Cu Project in Finland

Vancouver, May 26, 2020 - Palladium One Mining Inc. (TSXV: PDM) (FSE: 7N11) (OTC Pink: NKORF) (the "Company" or "Palladium One") reports a new, large chargeability drill target at the Haukiaho East Induced Polarization (IP) survey grid, located in central Finland.

Highlights:

• The Haukiaho East IP survey grid is located 7.5 km east of the Haukiaho survey grid (see news release May 7, 2020) and covers 1.6 kilometers of the seventeen (17) kilometer strike length of the highly prospective Haukiaho trend (Figure 1).
• The survey has identified a consistent chargeability anomaly over the full extent of the grid, suggesting the anomaly continues to the southwest and northeast. (Figure 2, 3 and 4).
• The newly identified chargeability anomaly has only been tested by one historic diamond drill hole (R619) drilled by Outokumpu in 1966, which did not intersect the core of the anomaly.
• Sporadic sampling of hole R619 by Outokumpu returned up to 0.20% Cu, and 0.13% Ni over 8.94 meters, while no PGE analysis was performed.
• Selective re-sampling of hole R619 by the Geological Survey of Finland (GTK) confirmed the presence of PGE mineralization, returning up to 0.367 g/t PGE (0.206 g/t Pd, 0.098 g/t Pt, 0.18% Cu and 0.19% Ni over 0.20 meters).

Preliminary Analysis:

• The chargeability anomaly is coincident with a strong magnetic high suggesting peridotitic rocks, which are characteristic of Haukiaho-style PGE-Ni-Cu mineralization.
• Both the chargeability and magnetic data show little sign of deformation suggesting relatively good preservation of original geometry of the favour basal phase of the Koillismaa Complex.

Target Model:

• Large tonnage, near surface PGE-Ni-Cu mineralization amenable to open pit mining.
• Multiple higher-grade pods of PGE-Ni-Cu mineralization located in embayment structures along the basal contact of the Koillismaa Complex.

"The current IP geophysical program has shown that the 17 km long Haukiaho trend has the potential to host significantly more mineralization than outlined in the historic 2013 Haukiaho resource estimate. The eastern portion of the Haukiaho trend has seen very little historic drilling. Having outlined significant chargeability anomalies in Haukiaho East, we are highly encouraged and now have quality drill targets." commented Derrick Weyrauch, President and CEO.

Figure 1. Palladium equivalent (Pd_eq) grade shells along the 17 km long Haukiaho Trend. Note: Pd_eq grades generated using historic drilling east of the 2013 historic resource, frequently include holes for which only copper-nickel analysis was conducted, therefore underestimating the actual Pd_eq grade. Pd_eq calculation used metal prices (in USD) of $1,100/oz for Pd, $950/oz for Pt, $1,300/oz for Au, $6,614/t for Cu and $15,432/t for Ni which are the same as those used in the Company's pit-constrained NI 43-101 Kaukua zone resource estimate (see September 9, 2019 news release).

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Figure 2. Plan view of the 2020 Haukiaho East grid IP survey showing chargeability.

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Figure 3. Long section view, looking north, of the 2020 Haukiaho East IP survey showing chargeability.

To view an enhanced version of Figure 3, please visit:
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Figure 4. Cross section view, looking east, of the 2020 Haukiaho East IP surveys showing chargeability.

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Qualified Person

The technical information in this release has been reviewed and verified by Neil Pettigrew, M.Sc., P. Geo, Vice President of Exploration and a director of the Company and the Qualified Person as defined by National Instrument 43-101.

Corporate Update

The Company has completed the second and final tranche of its previously announced non-brokered private placement of flow through Units for gross proceeds of $76,440 and has issued 588,000 flow-through Units at a price of $0.13 per unit (see news release dated May 6, 2020). The Units are subject to a four-month hold period in Canada from the closing date, acceleration and customary capital adjustments.

About Palladium One

Palladium One Mining Inc. is a palladium dominant, PGE, nickel, copper exploration and development company. Its assets consist of the Läntinen Koillismaa ("LK") and Kostonjarvi ("KS") PGE-Cu-Ni projects, located in north-central Finland and the Tyko Ni-Cu-PGE and Disraeli PGE-Ni-Cu properties in Ontario, Canada. All projects are 100% owned and are of a district scale. LK is an advanced project targeting disseminated sulphide along 38 kilometers of favorable basal contact. The KS project is targeting massive sulphide within a 20,000-hectare land package covering a regional scale gravity and magnetic geophysical anomaly. Tyko is a 13,000-hectare project targeting disseminated and massive sulphide in a highly metamorphosed Archean terrain. Disraeli is a 2,500-hectare project targeting PGE-rich disseminated and massive sulphide in a highly productive Proterozoic mid-continent rift.

ON BEHALF OF THE BOARD
"Derrick Weyrauch"
President & CEO, Director

For further information contact:
Derrick Weyrauch, President & CEO
Email: info@palladiumoneinc.com
Phone: 1-778-327-5799

Neither the TSX Venture Exchange nor its Market Regulator (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This press release is not an offer or a solicitation of an offer of securities for sale in the United States of America. The common shares of Palladium One Mining Inc. have not been and will not be registered under the U.S. Securities Act of 1933, as amended, and may not be offered or sold in the United States absent registration or an applicable exemption from registration.

Information set forth in this press release may contain forward-looking statements. Forward-looking statements are statements that relate to future, not past events. In this context, forward-looking statements often address a company's expected future business and financial performance, and often contain words such as "anticipate", "believe", "plan", "estimate", "expect", and "intend", statements that an action or event "may", "might", "could", "should", or "will" be taken or occur, or other similar expressions. By their nature, forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause our actual results, performance or achievements, or other future events, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Such factors include, among others, risks associated with project development; the need for additional financing; operational risks associated with mining and mineral processing; fluctuations in palladium and other commodity prices; title matters; environmental liability claims and insurance; reliance on key personnel; the absence of dividends; competition; dilution; the volatility of our common share price and volume; and tax consequences to Canadian and U.S. Shareholders. Forward-looking statements are made based on management's beliefs, estimates and opinions on the date that statements are made and the Company undertakes no obligation to update forward-looking statements if these beliefs, estimates and opinions or other circumstances should change. Investors are cautioned against attributing undue certainty to forward-looking statements.

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