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Radisson Continues to Expand O’Brien Deposit with 8.6 G/T Au over 2.0 Metres and 3.7 G/T Au over 7.0 Metres Within Wider Intercept of 93 Metres Grading 1 G/T Au

Drill Results

TSXV: RDS

For immediate release Press release No. 04, 2017

RADISSON CONTINUES TO EXPAND O’BRIEN DEPOSIT WITH 8.6 G/T AU OVER 2.0

METRES AND 3.7 G/T AU OVER 7.0 METRES WITHIN WIDER INTERCEPT OF 93 METRES

GRADING 1 G/T AU

Rouyn-Noranda, Quebec, May 9 , 2017: Radisson Mining Resources Inc. (TSXV: RDS)

(“Radisson”) is pleased to announce additional results from the ongoing 20,000 m drill program

at the C ompany’s O’Brien gold project located along the Larder -Lake-Cadillac fault halfway

between Rouyn-Noranda and Val-d’Or, Quebec. Results continue to demonstrate vertical and

lateral continuity of current mineral resources with high- grade gold intercepts within wider

mineralized envelopes (see table 2 ). The results announced today are from 1,153 metres of

drilling completed in 2017 and assays are curren tly pending from an additional 3,500 metres (8

drill holes).

Since the last update, (see April 4th, 2017 Press Release) results have been received for two drill

holes (OB-17-24 to OB-17-25).

Highlights:

• Drill hole OB-17-24 intersected 4.3 g/t Au over 5.3 m at a depth of 556.7 metres in

extension of current mineral resources of 36E area (see figure 1).

• Drill hole OB-17-25 intersected high-grade gold intervals of 8.6 g/t Au over 2.0 m and 3.7

g/t Au over 7.0 m within a wider, highly anomalous in gold interval of 1.0 g/t Au over 93

metres (see figure 2).

• 2 drill rigs are currently active at the O’Brien gold project, with one focused on resource

expansion of 36E and Kewagama areas of the O’Brien deposit and one testing exploration

targets defined through historical data compilation and geophysics survey completed in

2016.

Radisson’s drilling program at O’Brien will continue to focus on expanding the high -grade

mineral resource defined within the Piche Group volcanics. However, in light of the wide zone of

gold mineralization recently intersected in drill hole OB 17- 25, with more than 70% of assays

returning greater than 0.1 g/t Au (see full results in table 2), the Company is evaluating a work

program which would test for the possible extension of this wide zone at shallower depths. This

program would include re-assaying of historic drill core and additional drilling.

Mario Bouchard, President and CEO commented: “We are very excited by today’s results as we

continue to encounter high -grade gold mineralization down dip of current resources of the 36E

area. The wide and highly anomalous intercept obtained throughout the Piche Group sequence

underlines the importance of the explorati on program underway at O’Brien. This work will allow

Radisson to increase its geological knowledge of the O’Brien property and significant discovery”.

Table 1 Drilling results summary at the O’Brien gold project

Hole

From

(m)

To

(m)

Length

(m)

Grade

Au Interpreted zone

OB-17-24 229.5 230.0 0.5 6.1 VG PONTIAC

521.5 522.0 0.5 3.3 VG PICHE CONGLOMERATE

556.0 565.0 9.0 3.2

QFP #2 Including 556.7 562.0 5.3 4.3

which includes 556.7 558.0 1.3 13.3

which includes 561.0 562.0 1.0 4.1

OB-17-25 417.0 510.0 93.0 1.0 See individual assays in table 2

Including

417.0 417.7 0.7 9.3 PICHE VOLCANICS

447.0 448.0 1.0 5.0 QFP #1

464.0 466.0 2.0 8.6 PICHE VOLCANICS

478.0 480.0 2.0 4.8 VG PICHE CONGLOMERATE

And including 495.0 502.0 7.0 3.7 QFP #2 which includes 501.0 502.0 1.0 19.7

*VG; Denotes presence of visible gold

Note; Results are presented as down hole width; true width are estimated between 55 to 70% of down hole thickness.

All drill cores in this campaign are NQ in size. Analyses were completed on sawn half-cores, with

the second half kept for future reference. The samples were analyzed using standard fire assay

procedures with Atomic Absorption ( AA) finish at Techni -Lab Actlabs in Ste- Germaine-Boulé in

Abitibi, Quebec. Samples yielding a grade higher than 5 g/t were analyzed a second time by fire

assay with gravimetric finish at the same laboratory. Samples containing visible gold were

analyzed with metallic sieve procedure. Standard reference materials and blank samples were

inserted prior to shipment for quality assurance and quality control (QA/QC) program.

Qualified Person

Tony Brisson, P. Geo, independent consultant, acts as a Qualified Person as defined in National

Instrument 43- 101 and has reviewed and approved the technical information in this press

release.

About Radisson Mining Resources Inc.

Radisson is a Quebec -based mineral exploration company. The O’Brien project, cut by the

regional Larder-Lake-Cadillac Fault, is Radisson’s flagship asset. The project hosts the former

O’Brien Mine, considered to have been the Abitibi Greenstone Belt’s highest -grade gold

producer during its production (1,197,147 metric tons at 15.25 g/t Au for 587,121 ounces of gold

from 1926 to 1957; InnovExplo, April 2015).

For more information on Radisson, visit our website at www.radissonmining.com or contact:

Mario Bouchard

President and CEO

819-277-6578

[email protected]

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.

Forward-Looking Statements : This press release may contain certain forward- looking

information. All statements included herein, including the scheduled Closing date, but other than

statements of historical fact, is forward-looking information and such information involves various

risks and uncertainties. There can be no assurance that such information will prove to be

accurate, and actual results and future events could differ materially from those anticipated in

such information. A description of assumptions used to develop such forward-looking information

and a description of risk factors that may cause actual results to differ material ly from forward

looking information can be found in Radisson’s disclosure documents on the SEDAR website at

www.sedar.com.