TSX: TV Last: $1.07 Change: -0.01 Volume: 1,077,068

Deep intercepts expand Magistral Norte and Sur zones

Highlights include:
13.6 metres at 11.6 oz (361.5 g/t) Silver equivalent
4.45 metres at 32.4 oz (1006.9 g/t) Silver equivalent

TRC-NR-09-03

Vancouver, British Columbia... Trevali Resources Corp. ("Trevali" or the "Company") (CNSX: TV, Frankfurt: 4TI, Pink Sheets: TREVF) is pleased to announce that diamond drilling has intersected a new zone of very significant near surface mineralization at the Magistral Norte sulphide body on the Santander silver-lead-zinc mine project in Peru. Hole SAN-098, a combined geotechnical - exploration hole, intersected multiple zones of predominantly east-west trending vein and replacement footwall mineralization from approximately 11 metres below surface including two very substantial zones at 38.7 and 94.8 metres downhole that intersected 13.8 metres and 14.8 metres of 13.9 ounce (433.4 g/t) and 11.1 ounce (346.7 g/t) silver equivalent mineralization respectively.

In addition assay results have successfully confirmed the presence of significant silver-lead-zinc mineralization at depth on the Magistral Norte and Sur zones (Table 1). Mineralization remains open on all three Magistral sulphide bodies. Mineral system analysis indicates that very considerable depth potential, on the order of 350 to 500 metres, remains on all three currently defined sulphide bodies. A National Instrument 43-101 resource estimate is imminent.

There are three high-priority targets scheduled for drill testing:

  • The newly discovered east - west trending zones intersected in SAN-098 are interpreted to represent feeder zones to the currently defined Magistral sulphide bodies. Similar trending zones have been identified at both Magistral Central and Sur but require drill testing and may represent extensive near-term resource expansion potential. These productive zones intersect prospective lithologies to the East where the entire host-sequence is preserved representing high-priority exploration targets.
  • Out-cropping high-grade silver mineralization with values up to 17.9 oz (558 g/t silver) at Puajanca remains a high-priority drill target.
  • Additionally, geophysical surveying has identified 12 other high-priority anomalies that require testing - along 17 km of strike on the same productive trend and of equal or greater extent to the pre-drilling geophysical response of the three Magistral deposits.
Table 1: Summary assay results - Santander Project
Zone / Borehole* (dip / azimuth) From – To (metres) Downhole Interval** Ag equivalent*** Ag oz (g/t) Pb % Zn % Cu %
Magistral Norte
SAN-096
(-60 / 55.6)
308.7 – 309.1m
365.85 – 379.45m
Inc 365.85 – 368.63m
Inc 369.5 – 375.8m
0.4m
13.6m
2.4m
6.3m
19.5oz (605.7g/t)
11.6oz (361.5g/t)
15.5oz (481.1g/t)
14.2oz (440.8g/t)
9.85oz (306.6g/t)
1.7oz (54.07g/t)
2.8oz (88.13g/t)
2oz (62.85g/t)
1.51%
3.74%
4.42%
4.74%
5.76%
3.5%
4.7%
4.18%
-
0.07%
0.13%
0.08%
Magistral Sur
SAN-097A
(-52 / 59)
398.75 – 404.55m
Inc 398.75 – 401.85m
5.8m
3.1m
-
-
-
-
-
-
5.28%
6.89%
-
-
Magistral Norte
Geotechnical Hole
SAN-098
(-46 / 326)
10.85 – 11.45m
32.75 – 46.55m
Inc 38.7 – 46.55m
Inc 38.7 – 43.15m
94.8 – 109.6m
Inc 94.8 – 96.4m
Inc 106 – 109.6m
0.6m
13.8m
7.85m
4.45m
14.8m
1.6m
3.6m
23.1oz (720g/t)
13.9oz (433.4g/t)
23.2oz (721.5g/t)
32.4oz (1006.9g/t)
11.1oz (346.7g/t)
27.6oz (858g/t)
26.2oz (816.4g/t)
3.4oz (106g/t)
1.76oz (54.76g/t)
2.77oz (86.35g/t)
3.45oz (107.43g/t)
1.33oz (41.43g/t)
4oz (123.38g/t)
2.8oz (87.11g/t)
7.23%
4.2%
7%
9.92%
3.81%
10.76%
8.4%
5.96%
4.37%
7.44%
10.31%
3.41%
6.83%
8.96%
0.52%
0.19%
0.3%
0.49%
0.06%
0.08%
0.11%
Magistral Norte
Geotechnical Hole
SAN-099
(-43 / 321)
98.65 – 103.9m
Inc 98.65 – 101.6m
116.65 – 117.9m
5.25m
2.95m
1.25m
12.2oz (379.8g/t)
16.3oz (508g/t)
14.3oz (445.3g/t)
1.85oz (57.67g/t)
2oz (64.92g/t)
2.1oz (66.1g/t)
3.8%
5.29%
3.97%
3.73%
5.08%
4.48%
0.09%
0.12%
0.23%
Magistral Norte
Geotechnical Hole
SAN-100
(-44 / 165)
35.9 – 37.4m
106.4 – 107.9m
1.5m
1.5m
10.2oz (317.2g/t)
7oz (217.5g/t)
5.4oz (167.9g/t)
2.64oz (82.4g/t)
2.39%
1.77%
0.84%
0.68%
0.12%
0.25%

**Exploration to date suggests mineralized zones or mantos are dipping west at approximately 70 degrees; however, it is anticipated that future mapping of an underground exploration adit will allow a more accurate estimation of true thickness.

***Silver equivalent calculated using following metal prices: Ag $15/oz, Pb $0.9/lb, Zn $0.9/lb, Cu $3/lb and assumes 100% recoveries.

Project Background

The Santander silver-lead-zinc mine project is located approximately 215 km by road from Lima, in the western extent of Peru's prolific Cerro de Pasco mineral district. The mine operated from 1958-1993 targeting a single Carbonate Replacement Deposit-type pipe and manto structure, the Santander Orebody.

Substantial site infrastructure at the formerly-producing operation includes a fully refurbished 200-man camp and associated support facilities, an ore processing / concentrator plant (including various crushers, mills, flotation cells and filters able to produce zinc, lead-silver and copper concentrates) currently undergoing a refurbishment program, and the Tingo hydroelectric power-station located approximately 17 km down-valley to the west. The Santander project and the considerable existing infrastructure form a highly strategic asset in this mining district. The Company commenced exploration at Santander in November 2007 discovering three new high-grade silver-lead-zinc replacement and massive sulphide bodies to date.

Qualified Person and Quality Control/Quality Assurance

EurGeol Dr. Mark D. Cruise, Trevali's President and CEO and a qualified person as defined by National Instrument 43-101, has supervised the preparation of the scientific and technical information that forms the basis for this news release. Dr. Cruise is not independent of the Company, as he is an officer and shareholder.

The work programs at Santander were designed by, and are supervised by, Mark D. Cruise, President & CEO, Trevali, and Les Oldham, General Manager, Consultora Minera Anglo Peruana S.A.(independent geological consultants), who together are responsible for all aspects of the work, including the quality control/quality assurance program. On-site personnel at the project rigorously collect and track samples which are then security sealed and shipped to ACME Laboratories, Vancouver, for assay. ACME's quality system complies with the requirements for the International Standards ISO 9001:2000 and ISO 17025: 1999. Analytical accuracy and precision are monitored by the analysis of reagent blanks, reference material and replicate samples. Quality control is further assured by the use of international and in-house standards. Blind certified reference material is inserted at regular intervals into the sample sequence by Trevali personnel in order to independently assess analytical accuracy. Finally, representative blind duplicate samples are routinely forwarded to ACME and an ISO
compliant third party laboratory for additional quality control.

About Trevali Resources Corp.

The Company is currently exploring and conducting various scoping level studies on the former Santander polymetallic mine in Peru to ascertain as best as possible the feasibility of re-commencing mining and milling operations in a timely manner upon successful exploration and engineering studies.

The common shares of the Company are currently listed on the CNSX (symbol TV). For further details on the Company readers are referred to the Company's web site (www.trevali.com) and to Canadian regulatory filings on SEDAR at www.sedar.com.

On Behalf of the Board of Directors of
TREVALI RESOURCES CORP.

"Mark D. Cruise" (signed)
Mark D. Cruise, President

Contact Information:
Steve Stakiw, Manager - Corporate Communications
Email: sstakiw@trevali.com

Phone: (604) 488-1661 / Fax: (604) 408-7499

The CNSX has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.
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