Bonterra Continues to Expand Gladiator Gold Deposit West to Rivage Gap and Intersects Additional New North Zone

VANCOUVER, May 16, 2017 /CNW/ - Bonterra Resources Inc. (TSX-V: BTR, US: BONXF, FSE: 9BR1) (the "Company" or "Bonterra") is pleased to announce that ongoing drilling to the west of the main Gladiator Deposit within the "Rivage Gap" has encountered multiple high grade intersections as well as a major strike length extension of the new North horizon.

Quick Highlights of Recent Drill Results:

• Multiple high grade intersections encountered in the Rivage Gap and extends the new North zone to the west.
• Four distinct zones intersected in the "Rivage Gap" area, confirming the existence of the Main and Footwall zones, plus extending to the west the North and Mid zones.
• Main and Footwall zones extended to the west, connecting them with the Rivage Gap area.
• Results confirm the strike length of over 1 km for each of the Main and Footwall Zones.
• Drilling intersects deepest mineralization to-date in Rivage Gap area, at 330m below surface.
• Continuity of mineralization demonstrated in multiple horizons between the Gladiator Deposit and the Rivage Zone.
• Drilled dimensions of the Gladiator Deposit now outlined to a depth of 850 meters below surface, and a strike length of 1,200 meters (1.2 km).
• Gladiator remains open in all directions with drilling currently focused on the Deep East Zone, the Rivage Gap western side, and within large gaps or voids with currently little drill information.

Nav Dhaliwal, CEO and President of Bonterra, stated: "Results from the Rivage Gap, or the western area of the Gladiator Gold Deposit, continue to add positive value to the understanding of the geological model and the potential addition of significant new resources. A recent interpretation has determined that the Rivage Gap is part of the main mineralized system, and our technical team is currently confirming the impact of what the most recent results clearly demonstrate. We are excited with the continued positive results from within the Rivage Gap area, and look forward to further extending these zones, similar to our success within the main Gladiator area."

Highlights and Observations:

• Hole BA-17-04 encountered multiple high grade intersections in the "Rivage Gap", especially extending the new North zone to the west, giving the following results:
• 4.2 m grading 9.5 g/t Au(North Zone) at ~50 meters below surface.
• 4.0 m grading 10.0 g/t Au (Footwall Zone) at ~200 meters below surface.

• Holes BA-17-08 and BA-17-10 each intersected four distinct zones in the "Rivage Gap" area, confirming the existence of the Main and Footwall zones, plus extending to the west the North and Mid zones, highlighting the following results:
• 3.5 m grading 8.4 g/t Au (Footwall Zone) at ~150 meters below surface.
• 1.0 m grading 8.0 g/t Au (Mid Zone) at ~200 meters below surface.
  
• Holes BA-17-07 and BA-17-09 extended the Main and Footwall zones to the west, effectively joing them with the Rivage area, confirming the strike length of over 1 km for each. BA-17-07 was also the deepest intersection yet recorded in the Rivage Gap area to date.
• 3.0 m grading 12.0 g/t Au (Main Zone) at ~300 meters below surface.
• 1.8 m grading 9.0 g/t Au (Footwall Zone) at ~50 meters below surface.

• Drilling at the "Rivage Gap", a 600 meter long stretch of the Gladiator Deposit to the west that contains very little drill information, is clearly demonstrating continuity in multiple horizons between the Gladiator Deposit and the Rivage Zone.This continuity is providing a total drilled strike length to date on at least two horizons (Main and Footwall) of 1.2 kilometers.

All intersections from the above table are located within a length or gap of drill information between the westernmost Rivage area and the known portion of the Gladiator Deposit. The high grade Main, Footwall and North Zones are in or near the sheared contact between mafic volcanic units and a mineralized felsic porphyritic intrusive.

Please see http://www.bonterraresources.com/en/gladiator/maps-sections for updated long section and cross section.

Bonterra Resources Quick Facts:

• Well financed with over $20m recently raised.
• Gladiator Gold Deposit:
• 100% controlled 8,126-hectare in the Urban-Barry Camp in Qu?(C)bec;
• Resource expansion and development program underway utilizing minimum of four drill rigs with up to 40,000 meters planned;
• Drilled dimensions of the Gladiator Deposit are currently outlined to a depth of 800 meters below surface, and a strike length of 1,200 meters (1.2 km);
• Gladiator remains open in all directions with drilling currently focused on the Deep East Zone, the Rivage Gap western side, Rivage Gap infill and a potential Coliseum exploration;
• At least five distinct subparallel zones or mineralized horizons have been identified to date.
• Larder Lake Gold Property:
• 100% controlled 2,221-hectare in the Cadillac-Larder Break camp in Ontario (refer to March 17, 2016 news release highlighting historical gold resource);
• Resource development and exploration program underway including upcoming drill program and geological modelling.

Robert Gagnon, P.Geo. has approved the information contained in this release.Mr. Gagnon is a director of Bonterra and is a Qualified Person as defined by NI 43-101.

ON BEHALF OF THE BOARD OF DIRECTORS,

Nav Dhaliwal, President & CEO
Bonterra Resources Inc.

Neither 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.

This press release contains "forward-looking information" that is based on Bonterra's current expectations, estimates, forecasts and projections. This forward-looking information includes, among other things, statements with respect to Bonterra's exploration and development plans. The words "will", "anticipated", "plans" or other similar words and phrases are intended to identify forward-looking information. Forward-looking information is subject to known and unknown risks, uncertainties and other factors that may cause Bonterra's actual results, level of activity, performance or achievements to be materially different from those expressed or implied by such forward-looking information. Such factors include, but are not limited to: uncertainties related exploration and development; the ability to raise sufficient capital to fund exploration and development; changes in economic conditions or financial markets; increases in input costs; litigation, legislative, environmental and other judicial, regulatory, political and competitive developments; technological or operational difficulties or inability to obtain permits encountered in connection with exploration activities; and labour relations matters. This list is not exhaustive of the factors that may affect our forward-looking information. These and other factors should be considered carefully and readers should not place undue reliance on such forward-looking information. Bonterra disclaims any intention or obligation to update or revise forward-looking information, whether as a result of new information, future events or otherwise.

SOURCEBonTerra Resources Inc.

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