Adventus and Salazar Announce Drilling Results at the El Domo Deposit Highlighted by 2.10% Copper Equivalent Over 55.43 Metres

(firmenpresse) - Toronto, April 6, 2021 - Adventus Mining Corporation (Adventus - https://www.commodity-tv.com/ondemand/companies/profil/adventus-mining-corp/) (TSX-V: ADZN, OTCQX: ADVZF) and Salazar Resources Limited (Salazar) (TSX-V: SRL, OTCQB: SRLZF) (collectively the Partners) are pleased to announce additional infill drilling results from the El Domo volcanogenic massive sulphide deposit located within the 21,537-hectare Curipamba project in central Ecuador. Infill drilling for the ongoing feasibility study is completed at El Domo for 53 infill definition drill holes totaling 5,348.3 metres.

Highlights - Drill Results from the El Domo Deposit at Curipamba:
- CURI-361 intersected 55.43 metres of 1.50% copper, 0.72 g/t gold, 0.27% zinc, 7.7 g/t silver, and 0.02% lead for 2.10% copper equivalent (CuEq) - including 16.79 metres of 3.81% copper, 1.11 g/t gold, 0.41% zinc, 10.5 g/t silver, and 0.02% lead for 4.72% CuEq
- CURI-364 intersected 14.94 metres of 6.49% copper, 1.64 g/t gold, 1.52% zinc, 35.5 g/t silver and 0.16% lead for 8.34% CuEq - including 5.90 metres of 14.29% copper, 2.11 g/t gold, 1.95% zinc, 34.3 g/t silver, and 0.16% lead for 16.54% CuEq

Drill hole CURI-361 intersected mineralized grainstone with massive sulphide clasts in the immediate hanging wall of the massive sulphide from 107.90 to 108.85 metres, grading 0.22% copper, 0.57 g/t gold, 0.62% zinc, 10.8 g/t silver, and 0.05% lead (0.87% CuEq). A thick section of massive sulphide mineralization was intersected from 108.85 to 164.28 metres, grading 1.50% copper, 0.72 g/t gold, 0.27% zinc, 7.7 g/t silver and 0.02% lead (2.10% CuEq). A higher-grade subset occurs from 119.85 to 136.64 metres, grading 3.81% copper, 1.11 g/t gold, 0.41% zinc, 10.5 g/t silver, and 0.02% lead (4.72% CuEq).

Drill From To ThickneCu Au Zn Ag Pb CuEq Approx.
Hole (m) (m) ss (%) (g/ (%) (g/t (%(1) True
t) ) ) Thicknes
(m) (%) s

(m)

CURI-361 107.9108.80.95 0.220.570.6210.8 0.00.87 0.81
0 5 5

108.8164.255.43 1.500.720.277.7 0.02.10 47.12
5 8 2

Including119.8136.616.79 3.811.110.4110.5 0.04.72 14.27
5 4 2

Including132.2135.73.53 7.502.050.0511.1 0.08.87 3.00
6 9 1

(1) Metal equivalency based on US$4.10/lb Cu, US$1,723.50/oz Au, US$1.28/lb Zn, US$25.88/oz Ag and US$0.89/lb Pb; noting that no adjustments were made in the metal equivalency calculation for metal recovery. Prices taken from 6-month contracts for precious metals and 3-month contracts for base metals from the London Metal Exchange, dated March 12, 2021.

CURI-362 intersected a narrow section of massive sulphide mineralization from 73.60 to 75.48 metres, grading 1.03% copper, 5.60 g/t gold, 18.08% zinc, 137.6 g/t silver, and 0.62% lead (11.51% CuEq). A section of low-grade, mineralized felsic autoclastic volcanic rocks was intersected from 75.48 to 85.55 metres, grading 0.05% copper, 0.07 g/t gold, 0.53% zinc, 2.5 g/t silver, and 0.04% lead (0.29% CuEq).

Drill From To ThickneCu Au Zn Ag Pb CuEq (Approx.
Hole (m) (m) ss (%) (g/ (%) (g/t (%1) True
t) ) ) Thicknes
(m) (%) s
(m)

CURI-362 73.6075.481.88 1.035.6018.0137.60.611.51 1.41
8 2

75.4885.5510.07 0.050.070.532.5 0.00.29 7.55
4

(1) Metal equivalency based on US$4.10/lb Cu, US$1,723.50/oz Au, US$1.28/lb Zn, US$25.88/oz Ag and US$0.89/lb Pb; noting that no adjustments were made in the metal equivalency calculation for metal recovery. Prices taken from 6-month contracts for precious metals and 3-month contracts for base metals from the London Metal Exchange, dated March 12, 2021.

CURI-364 intersected mineralized grainstone with massive sulphide clasts in the immediate hanging wall of the massive sulphide from 111.00 to 115.46 metres, grading 1.61% copper, 1.19 g/t gold, 0.85% zinc, 21.7 g/t silver, and 0.13% lead (2.83% CuEq). Massive sulphide mineralization was intersected from 115.46 to 130.40 metres, grading 6.49% copper, 1.64 g/t gold, 1.52% zinc, 35.5 g/t silver, and 0.16% lead (8.34% CuEq). Two subsets of higher-grade massive sulphide mineralization were intersected from 115.46 to 118.24 metres and 124.50 to 130.40 metres. The first intercept graded 1.63% copper, 1.40 g/t gold, 1.62% zinc, 33.2 g/t silver, and 0.12% lead (3.33% CuEq), and the second intercept graded 14.29% copper, 2.11 g/t gold, 1.95% zinc, 34.3 g/t silver, and 0.16% lead (16.54% CuEq). The drill hole was lost in a fault zone at 130.40 metres while still in mineralization and did not reach targeted completion depth.

Drill From To ThickneCu Au Zn Ag Pb CuEq Approx.
Hole (m) (m) ss (%) (g/ (%) (g/t (%(1) True
t) ) ) Thicknes
(m) (%) s
(m)

CURI-364 111.0115.44.46 1.611.190.8521.7 0.12.83 3.57
0 6 3

115.4130.414.94 6.491.641.5235.5 0.18.34 11.95
6 0 6

Including115.4118.22.78 1.631.401.6233.2 0.13.33 2.22
6 4 2

Including124.5130.45.90 14.22.111.9534.3 0.116.544.72
0 0 9 6

(1) Metal equivalency based on US$4.10/lb Cu, US$1,723.50/oz Au, US$1.28/lb Zn, US$25.88/oz Ag and US$0.89/lb Pb; noting that no adjustments were made in the metal equivalency calculation for metal recovery. Prices taken from 6-month contracts for precious metals and 3-month contracts for base metals from the London Metal Exchange, dated March 12, 2021.

CURI-364-A was an attempted re-drill of CURI-364, however, it was also terminated in the same fault zone. It intersected mineralized grainstone in the hanging wall of the massive sulphide mineralization from 109.90 to 113.58 metres, grading 1.71% copper, 1.45 g/t gold, 1.13% zinc, 40.2 g/t silver and 0.09% lead (3.34% CuEq). Massive sulphide mineralization was intersected from 113.58 to 114.75 metres, grading 1.62% copper, 2.78 g/t gold, 10.24% zinc, 235.0 g/t silver and 1.45% lead (9.00% CuEq), but the drill hole re-entered mineralized grainstone from 114.75 to 120.77 metres, grading 1.00% copper, 1.74 g/t gold, 1.48% zinc, 37.7 g/t silver and 0.16% lead (2.91% CuEq). The drill hole was lost in a fault zone at 121.80 metres while still in mineralization and did not reach targeted completion depth.

Drill From To ThickneCu Au Zn Ag Pb CuEq Approx.
Hole (m) (m) ss (%) (g/ (%) (g/t (%(1) True
t) ) ) Thicknes
(m) (%) s
(m)

CURI-364-109.9113.53.68 1.711.451.1340.2 0.03.34 2.94
A 0 8 9

113.5114.71.17 1.622.7810.2235.01.49.00 0.94
8 5 4 5

114.7120.76.02 1.001.741.4837.7 0.12.91 4.82
5 7 6

(1) Metal equivalency based on US$4.10/lb Cu, US$1,723.50/oz Au, US$1.28/lb Zn, US$25.88/oz Ag and US$0.89/lb Pb; noting that no adjustments were made in the metal equivalency calculation for metal recovery. Prices taken from 6-month contracts for precious metals and 3-month contracts for base metals from the London Metal Exchange, dated March 12, 2021.

Drill holes CURI-363 and CURI-365 were designed to test the outer margins of the Indicated category material and to further assess the pit wall geology. These drill holes confirmed modelling previously done along the margins of the deposit and provide excellent geological control for future modelling studies. Drill hole CURI-363 intersected a thick section of mineralization in the footwall felsic autoclastic volcanic rocks from 54.54 to 90.95 metres with two intervals providing low-grade intercepts. The first intercept was from 54.54 to 59.68 metres, grading 0.06% copper, 0.19 g/t gold, 0.81% zinc, 12.0 g/t silver, and 0.18% lead (0.57% CuEq) over 3.34 metres approximate true thickness. The second intercept was from 69.62 to 84.89 metres, grading 0.05% copper, 0.02 g/t gold, 0.53% zinc, 0.8 g/t silver and 0.02% lead (0.24% CuEq) over 9.93 metres approximate true thickness.

Drill hole CURI-365 also intersected mineralization in the footwall felsic autoclastic volcanic rocks from 39.72 to 51.52 metres, grading 0.03% copper, 1.06 g/t gold, 0.34% zinc, 69.0 g/t silver, and 0.15% lead (1.45% CuEq) over 8.26 metres approximate true thickness. A high-grade subset occurs from 39.72 to 45.56 metres, grading 0.03% copper, 1.61 g/t gold, 0.42% zinc, 119.8 g/t silver, and 0.17% lead (2.29% CuEq) over 4.09 metres approximate true thickness.

All results from the current infill definition drilling program will be used to update the Mineral Resource estimate for the El Domo deposit in 2021. The updated Mineral Resource estimate will be part of the ongoing feasibility study for the development of the El Domo deposit (see December 2, 2020 news release). Figure 1 illustrates the drill locations for the results of the six drill holes outlined in this news release and the holes currently in the assay lab, or in progress. Drill collar location coordinates are summarized for the infill and geomechanical drilling programs in Table 1 at the end of this news release.

For reference, the last NI 43-101 Mineral Resource estimate for El Domo was published as part of the preliminary economic assessment report titled: Technical Report on the Preliminary Economic Assessment for the Curipamba Project - El Domo Deposit, Central Ecuador, with an effective date of June 14, 2019 on SEDAR.

Technical Information and Quality Control & Quality Assurance (QAQC)
The Curipamba project work program is being managed and reviewed by Vice President Exploration, Jason Dunning, M.Sc., P.Geo., a Qualified Person within the meaning of NI 43-101. Salazar staff collect and process samples that are securely sealed and shipped to Bureau Veritas (BV) in Quito for sample preparation that includes crushing and milling to prepare pulps that are then split for shipment to their facility in Lima, Peru for analysis. All assay data have undergone internal validation of QAQC; noting there is an established sampling control program with blind insertion of assay blanks, certified industry standards and sample duplicates for the Curipamba project. A QAQC program is also in place at BV and includes insertion of blanks, standards, and duplicate reanalysis of selected samples. BVs quality system complies with the requirements for the International Standards ISO 9001:2000 and ISO 17025: 1999. At BV, gold is analyzed by classic fire assay techniques with an AAS finish, while silver and base metals are analyzed by a 44-element aqua regia technique with ICP-AES finish. Overlimit protocols are in place for gold, silver, copper, lead, and zinc.

Qualified Person
The technical information of this news release has been reviewed and verified as accurate by Mr. Jason Dunning, M.Sc., P.Geo., Vice President Exploration for Adventus, a non-Independent Qualified Person, as defined by NI 43-101.

About Adventus
Adventus Mining Corporation is an Ecuador focused copper-gold exploration and development company. Its strategic shareholders include Altius Minerals Corporation, Greenstone Resources LP, Wheaton Precious Metals Corp., and the Nobis Group of Ecuador. Adventus is advancing the El Domo copper-gold project through a feasibility study, while exploring the broader Curipamba district. In addition, Adventus is engaged in a country-wide exploration alliance with its partners in Ecuador, which has incorporated the Pijili and Santiago copper-gold porphyry projects to date. Adventus also controls an exploration project portfolio in Ireland with South32 Limited as funding partner as well as an investment portfolio of equities in several exploration companies. Adventus is based in Toronto, Canada, and is listed on the TSX Venture Exchange under the symbol ADZN and trades on the OTCQX under the symbol ADVZF.-

About Salazar
Salazar Resources Limited is focused on creating value and positive change through discovery, exploration, and development in Ecuador. The team has an unrivalled understanding of the geology in-country and has played an integral role in the discovery of many of the major projects in Ecuador, including the two newest operating gold and copper mines. Salazar Resources has a wholly owned pipeline of copper-gold exploration projects across Ecuador with a strategy to make another commercial discovery and farm-out non-core assets. The Company actively engages with Ecuadorian communities and together with the Salazar family it co-founded The Salazar Foundation, an independent non-profit organization dedicated to sustainable progress through economic development. The Company already has carried interests in three projects. At its maiden discovery, Curipamba, Salazar Resources has a 25% stake fully carried through to production. At two copper-gold porphyry projects, Pijili and Santiago, the Company has a 20% stake fully carried through to a construction decision.

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 news release.

This press release contains forward -looking information within the meaning of applicable Canadian securities laws. Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, identified by words or phrases such as believes, anticipates, expects, is expected, scheduled, estimates, pending, intends, plans, forecasts, targets, or hopes, or variations of such words and phrases or statements that certain actions, events or results may, could, would, will, should might, will be taken, or occur and similar expressions) are not statements of historical fact and may be forward-looking statements.

Forward-looking information herein includes, but is not limited to, statements that address activities, events, or developments that Adventus and Salazar expect or anticipate will or may occur in the future. Although Adventus and Salazar have attempted to identify important factors that could cause actual actions, events, or results to differ materially from those described in forward-looking information, there may be other factors that cause actions, events or results not to be as anticipated, estimated, or intended. 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. Accordingly, readers should not place undue reliance on forward-looking information. Adventus and Salazar undertake to update any forward-looking information except in accordance with applicable securities laws.

For further information from Adventus, please contact Christian Kargl-Simard, President and Chief Executive Officer, at +1-416-230-3440 or christian(at)adventusmining.com. Please also visit the Adventus website at www.adventusmining.com and LinkedIn page at https://www.linkedin.com/company/adventus-mining-corporation.

For further information from Salazar, please contact ir(at)salazarresources.com.

In Europe:
Swiss Resource Capital AG
Jochen Staiger
info(at)resource-capital.ch
www.resource-capital.ch

Table 1: Drill Collar Information for Infill Drill Holes at El Domo
Hole IDEAST NORTH ELEVAZIMUTDIP DEPTHCOMMENT
H

CURI-3965500985489882 165 -65 70.6 Successfully
1 1 8 completed per
design

CURI-3969510985545953 170 -79 137.7Successfully
0 9 1 completed per
design

CURI-3869499985535908 338 -70 64.5 Successfully
9 9 1 completed per
design

CURI-3869505985547930 165 -50.143.0Successfully
8 1 4 6 completed per
design

CURI-3869505985547930 26 -49 112.3Successfully
7 1 4 completed per
design

CURI-3869510985560943 230 -65 90.2 Successfully
6 0 0 completed per
design

CURI-3869509985548940 45 -54 128.0Successfully
5 4 2 completed per
design

CURI-3869505985564923 136 -54 110.6Successfully
4 4 2 completed per
design

CURI-3869537985540995 270 -65 210.4Successfully
3 3 0 completed per
(1) design

CURI-3869509985548940 64 -48 156.5Successfully
2 4 2 completed per
design

CURI-3869521985560949 197 -57 154.4Successfully
1 4 2 completed per
design

CURI-38695379855001030270 -70 250.1Successfully
0 5 0 completed per
(1) design

CURI-3769509985548940 167 -48 153.8Successfully
9 4 2 completed per
design

CURI-3769505985512893 181 -57 113.1Successfully
8 4 2 completed per
design

CURI-3769505985512893 55 -51 92.3 Successfully
7 4 2 completed per
design

CURI-37695369855101087270 -70 275.4Successfully
6 1 0 completed per
(1) design

CURI-37695339855201057270 -75 250.1Successfully
5 3 0 completed per
(1) design

CURI-3769500985513883 296 -45 120.6Successfully
4 6 4 completed per
design

CURI-3769509985548940 103 -48 197.0Successfully
3 4 2 completed per
design

CURI-3769504985491888 38 -45 106.3Successfully
2 1 3 completed per
design

CURI-37695399855291016270 -65 225.7Successfully
1 9 8 completed per
(1) design

CURI-3769504985491888 231 -74 86.2 Successfully
0 0 3 completed per
design

CURI-3669509985548940 142 -48 168.7Successfully
9 4 2 completed per
design

CURI-3669504985491888 331 -58 113.6Successfully
8 1 3 completed per
design

CURI-3669500985513883 196 -45 102.2Successfully
7 6 4 completed per
design

CURI-3669497985491872 186 -72 74.5 Successfully
6 5 8 completed per
design

CURI-3669493985524874 151 -72 69.5 Successfully
5 4 2 completed per
design

CURI-3669513985540946 108 -60 121.8Successful but lost
4 1 2 in fault
-A zone

CURI-3669513985540946 108 -60 130.4Successful but lost
4 4 2 in fault
zone

CURI-3669493985524874 180 -54 95.0 Successfully
3 4 2 completed per
design

CURI-3669497985491872 288 -61 88.9 Successfully
2 5 8 completed per
design

CURI-3669513985540946 75 -54 172.8Successfully
1 4 2 completed per
design

CURI-3669493985524874 25 -48 83.0 Successfully
0 4 2 completed per
design

CURI-3569500985513883 349 -69 86.5 Successfully
9 6 4 completed per
design

CURI-3569493985508867 255 -54 113.0Successfully
8 4 2 completed per
design

CURI-3569505985514894 229 -74 105.0Successfully
7 7 9 completed per
design

CURI-3569500985513883 241 -77 110.6Successfully
6 6 4 completed per
design

CURI-3569505985514894 36 -45 86.3 Successfully
5 7 9 completed per
design

CURI-3569505985514894 55 -54 81.0 Successfully
4 7 9 completed per
design

CURI-3569509985512908 192 -45 97.4 Successfully
3 4 2 completed per
design

CURI-3569505985514894 306 -77 78.0 Successfully
2 7 9 completed per
design

CURI-3569505985514894 338 -59 77.0 Successfully
1 7 9 completed per
design

CURI-3569509985512908 180 -57 85.7 Successfully
0 4 2 completed per
design

CURI-3469509985512908 263 -51 130.2Successfully
9 4 2 completed per
design

CURI-3469509985508910 276 -45 135.1Successfully
8 4 2 completed per
design

CURI-3469509985508910 105 -54 91.0 Successfully
7 4 2 completed per
design

CURI-3469509985508910 52 -69 83.4 Successfully
6 4 2 completed per
design

CURI-3469509985508910 142 -48 95.7 Successfully
5 4 2 completed per
design

CURI-3469509985508910 360 -60 84.1 Successfully
4 4 2 completed per
design

CURI-3469509985508910 192 -45 142.0Successfully
3 4 2 completed per
design

CURI-3469504985491888 346 -45 137.1Successfully
2 1 3 completed per
design

CURI-3469513985492917 360 -60 117.4Successfully
1 4 2 completed per
design

CURI-3469513985492917 360 -45 149.0Successfully
0 4 2 completed per
design
Notes:
(1) Geomechanical drill hole for open pit engineering design purposes only; being drilled in addition to the Infill program
(2) All drill holes are surveyed in UTM Datum (Provisional South American 1956, Zone 17)

Figure 1: Drill Collar Location Map for Drill Holes at El Domo
https://www.irw-press.at/prcom/images/messages/2021/57662/ADZ9900-060421.001.png

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