TRS.V · 2020-11-09 12:00:00

Tres-Or Announces First SRC Microdiamond Testing Results from the Guigues Kimberlite Pipe in Quebec

Corporate Updates

Tres-Or Announces First SRC Microdiamond Testing Results from the Guigues

Kimberlite Pipe in Quebec

Vancouver, B.C. – November 9, 2020 - Tres-Or Resources Ltd. (“Tres-Or” or the “Company”)

(TSXV: TRS, OTCPK: TRSFF) is pleased to announce the first recovery of microdiamonds from

the Guigues Kimberlite pipe in southwestern Quebec , using modern microdiamond methods at

the Saskatchewan Research Council Geoanalytical Laboratories Diamond Services (SRC). A

total of 10 microdiamonds were recovered by SRC from 207 kgs of Guigues kimberlite drill core,

with the largest microdiamond remaining on a +300 micron (0.300 mm) square mesh screen

(Table 1).

Table 1: Microdiamond sizes.

Eight of the 10 microdiamonds are described by SRC as “White /Colourless, Transparent” and

no or minor inclusions (Table 2).

Table 2: Microdiamond descriptions.

Samples were prepared for SRC by Tres -Or personnel splitting the HQ drill core for selected

continuous intervals, and then bagging, labelling and sealing the split core in successive ~8 kg

bags, before delivery to the laboratory in Saskatoon. The unsampled half core is retained under

secure conditions for reference. SRC is a n independe nt, secure and ISO/IEC 17025:2005

accredited laboratory with strong experience at caustic fusion microdiamond testing. SCR’s

microdiamond testing method places the entire received sample (divided into 8 kgs batches)

into tubs of caustic soda in modified p ottery kilns to be fused at high temperatures until a small

residue is produced, which is then hand -picked under optical microscopes for all contained

microdiamonds. SRC’s quality control recovered a very efficient 396 out of 399 (99.25%) of the

distinctive yellow synthetic diamond spikes added at the laboratory. SRC has a well-deserved

reputation for reliable microdiamond analyses and is entirely independent of Tres-Or.

Microdiamond counts are reported by SRC for each individual ~8 kg bag delivered. In total, 6 of

the sample bags yielded between 1 and 4 microdiamonds each (27 bags analyzed), consistent

with reasonably widespread distribution of diamonds throughout the tested kimberlite intervals.

In other words the microdiamonds were not derived from just one or two places, as might

happen with a single stone crushed during sampling, or a group of stones from a single

diamond-bearing mantle xenolith.

Total Weight # of Stones

+0.106 +0.150 +0.212 +0.300 +0.425 +0.600 +0.850 +1.180

Kg -0.150 -0.212 -0.300 -0.425 -0.600 -0.850 -1.180 -1.700

206.8 6 2 1 1 0 0 0 0 10

Numbers of Diamonds According to Sieve Size Fraction (mm)

Sample ID Fraction Description Diamond Count Diamond Descriptions

Square mesh screen (mm)

047530 Bag 9 0.150 1 White/Colourless, Transparent, Minor Inclusions, Fragment

047530 Bag 9 0.106 1 White/Colourless, Transparent, No Inclusions, Fragment

047530 Bag 11 0.106 1 White/Colourless, Transparent, Minor Inclusions, Irregular

047532 Bag 1 0.212 1 White/Colourless, Transparent, Minor Inclusions, Fragment

047532 Bag 3 0.300 1 Brown, Transparent, Minor Inclusions, Aggregate, Broken

047532 Bag 3 0.106 1 White/Colourless, Transparent, Minor Inclusions, Fragment

047532 Bag 7 0.106 1 Off White, Transparent, No Inclusions, Aggregate

047532 Bag 8 0.106 1 White/Colourless, Transparent, Minor Inclusions, Octahedral, Resorption Class 5

Tres-Or Head Office: 1934 - 131 Street | White Rock, B.C. | Canada V4A 7R7

Tel: 604-541-8376 | Fax: 604-541-8926 | www.tres-or.com

Three (3) additional samples of approximately the same sizes but from distant parts of the

Guigues pipe are currently being processed for microdiamond content at SRC with results to be

announced upon completion.

The Guigues Kimberlite pipe became a high-priority diamond exploration target for Tres-Or due

to its substantial size (5 to 7 hectares), excellent local infrastructure, and most importantly highly

encouraging indicator mineral chemistry closely similar to De Beers’ Victor Diamond Mine. Now

with recovery of microdiamonds from Guigues, Tres -Or believes we have established another

important similarity between Guigues and the Victor Diamond Mine. Furthermore,

microdiamonds in the range of 1 per 20 kgs may also point to potential in the case of Guigues .

For comparison, t he U2 kimberlite near Victor reported ly yielded 127 diamonds > 0.106 mm

from 3,821 kgs processed for a ratio of ~1 per 30 kgs (Metalex news release, Dr. Charles Fipke

2009), and U2 is said to be similar to Victor , which is reported to have a “paucity of

microdiamonds”, requiring la rger than usual samples to model potential grades (Fowler et al.,

2002).

New indicator mineral analyses from Guigues kimberlite

In addition to the microdiamond tests from SRC, Tres -Or is pleased to report on new

microprobe results from 3 samples of Guigues drill core sent to C.F. Mineral Research Limited,

an ISO 9001:2015 certified/ISO 17025:2005 compliant laboratory in Kelowna, B.C. In total, the

3 samples weighed 393.34 kgs and after arrival in Kelowna were disaggregated by attrition

milling, with the +106 micron material concentrated by density and magnetic properties. From

the +106 micron concentrates, C.F. Minerals , hand-picked over 8,000 indicator minerals and

then selected 701 for new microprobe analyses . The analyzed indicator minerals inclu de

eclogite and pyropes garnets, chromite, chrome diopside, picroilmenite, and olivine recovered

from different parts of the pipe (Table 3) . The new microprobe results support Tres -Or’s

previous interpretation of a mantle indicator mineral signature compa rable to the Victor

kimberlite, especially in regards to having numerous eclog itic and lherzolitic garnets with

compositions similar to diamond inclusions at Victor (Stachel, et al., 2020) . C.F. Minerals also

examined sample residues for microdiamonds, re covering 5 natural stones, all less than 10 6

microns in size.

Table 3: Counts of diamond inclusion composition indicator minerals

The highly encouraging indicator mineral chemistry at Guigues is closely similar to De Beers’

Victor Diamond Mine, and differs from the standard model for diamond. The Guigues Kimberlite

diamond potential, like that of the Victor Diamond Mine, is based on high-priority source of

diamonds from high -priority mantle eclogite and lherzolite rocks, instead of the standard

harzburgite (G10) sources. The highly encouraging indicator mineral chemistry at Guigues is

closely similar to De Beers’ Victor Diamond Mine , and differs from the standard model for

diamond exploration. The Guigues Kimberlite diamond potential, like that of the Victor Diamond

Mine, is based on high -priority source of diamonds from mantle eclogite and lherzolite rocks,

CFM CLASSIFICATION SUMMARY TABLE

GUIGUES DI PROB DI POSS DI

* EG 4 12 15

PY 3 8

OL 12 12

CHR 1

CD 1 9

Tres-Or Head Office: 1934 - 131 Street | White Rock, B.C. | Canada V4A 7R7

Tel: 604-541-8376 | Fax: 604-541-8926 | www.tres-or.com

instead of the standard harzburgite (G10) sources. The potential diamond source for Guigues is

marked by recovery of eclogite and lherzolite garnets that have distinctive compositions just like

diamond inclusions recently described from Victor by Stachel et al . (2018). The Guig ues

Kimberlite yields numerous lherzolite and eclogite garnets of comparable diamond inclusion

composition, as recently confirmed by application of CF Mineral Research Laboratory’s updated

classification system by owner and originator Dr. Charles Fipke. Guigues thus remains a

priority target for this new diamond potential model.

Note that although the indicator mineral chemistry is closely similar to the Victor Diamond Mine,

and the microdiamond results presented herein point towards potential to carry larger stones,

that does not necessarily mean the Guigues Kimberlite will host diamonds of economic size .

Tres-Or’s ongoing microdiamond tests are expected to better define th e potential to host

economic diamonds.

See Tres -Or’s website ( www.tres-or.com) for more details on the Guigues Kimberlite Pipe

including indicator mineral plots, kimberlite descriptions and reference details.

About Tres-Or Resources Ltd.

Tres-Or Resources Ltd. is a Canadian resource company focu sed on exploring for diamond s

and gold resources in the Témiscamingue and Abitibi regions of Québec that is listed on the

TSX Venture Exchange under the trading symbol “ TRS”. Additional information related to the

Company is available on SEDAR and on the Company’s website (www.tres-or.com).

On behalf of the Board of Directors

“Laura Lee Duffett”

Laura Lee Duffett, P.Geo.

President and CEO

For further information:

Laura Lee Duffett, President & CEO: +1 (604) 541-8376 – [email protected]

Dean Claridge, Business Development: +1 (604) 688-8700

Website: www.tres-or.com

Neither the TSX Venture Exchange nor its Regulation Service Provider (as the term is defined in

the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of

this news release.

Qualified Persons

Disclosure of a scientific or technical nature related to the Company’s projects and exploration

activities in this news release was prepared under the supervision of Dr. Harrison O.

Cookenboo, B.Sc., M.Sc., Ph.D., P.Geo., the Company’s independent Qualifie d Person (as

such term is defined in National Instrument 43 -101), and Ms. Laura Lee Duffett, P.Geo., the

Company’s President and CEO, who is a non -independent Qualified Person, both of whom

have reviewed and approved the technical and scientific portions of this presentation.

Tres-Or Head Office: 1934 - 131 Street | White Rock, B.C. | Canada V4A 7R7

Tel: 604-541-8376 | Fax: 604-541-8926 | www.tres-or.com

Forward-Looking Statements

This news release contains projections and forward -looking information that involve various

risks and uncertainties, including, without limitation, statements regarding the potential extent of

mineralization, resources, reserves, exploration results and plans and objectives of the

Company. These risks and uncertainties include, but are not restricted to, the early stage

development of the Company and its projects; general business, economic, competitive, political

and social uncertainties; capital market conditions and market prices for securities, junior market

securities and mining exploration company securities; commodity prices , the amount of

geological data available, the uncertain reliability of drilling results and geophysical and

geological data and the interpretation thereof and the need for adequate financing for future

exploration and development efforts. There can be no assurance that s uch statements will

prove to be accurate. Actual results and future events could differ materially from those

anticipated in such statements. These and all subsequent written and oral forward -looking

statements are based on the estimates and opinions of ma nagement on the dates they are

made and are expressly qualified in their entirety by this notice. The Company assumes no

obligation to update forward -looking statements should circumstances or management's

estimates or opinions change.

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