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Osisko’S LYNX Corridor Drilling Interpreted to Trend ON to Alto’S Windfall East Project, Quebec

Corporate Updates

NEWS RELEASE

OSISKO’S LYNX CORRIDOR DRILLING INTERPRETED TO TREND ON TO ALTO’S

WINDFALL EAST PROJECT, QUEBEC

Vancouver, B.C., May 11, 2017. Alto Ventures Ltd. (ATV: TSX-V) is pleased to update recent

developments on its Windfall East gold project in the Abitibi greenstone belt in Quebec (see Figure 1).

Further to Alto’s news release of April 18, 2017, Osisko Mining Inc. (“Osisko”) has reported further

high grade intersections at the Lynx Zone Discovery in news releases dated April 25, May 3 and May

10, 2017. Osisko reports a new zone of mineralization, the Lynx 4, located 170 metres south of the

main Lynx Corridor. Drillhole OSK-W-17-816 intersected 7.7 metres of 11.7 g/t gold on the Lynx 4

zone approximately one kilometre southwest of Alto's 299 hectare Windfall East Property. In addition,

bonanza grade mineralization of 3.7 metres grading 421 g/t gold was intersected on the Lynx 2 zone in

drillhole OSK-W-17-834.

Osisko is following a northeast trending magnetic low along the Lynx Corridor with drill collars

immediately adjacent to Alto’s western and northern property boundary (see Figure 2). From regional

geophysical interpretation and magnetic surveys on the Windfall East property, Alto interprets that a

magnetic low structural corridor trends to the northeast on to the Windfall East property. Alto is

reviewing its options to further explore the property and is entertaining various offers including a sale,

joint venture or spinout of the property.

This news release has been reviewed and approved for technical content by Mike Koziol, P. Geo, a

qualified person under the provisions of National Instrument 43-101. The information set out above on

Osisko’s drill results relate solely to Osisko’s Lynx Zone Discovery and there are no assurances that

Alto will obtain similar information from its property.

About Alto Ventures Ltd

Alto Ventures Ltd. is an exploration and development company with a portfolio of highly prospective

Canadian gold and diamond properties. The Company is active in the Abitibi greenstone belt in

Quebec on the Windfall East and Destiny gold properties and is exploring in the Beardmore-Geraldton

gold belt in Ontario. In Manitoba, the Company is focused on the gold and base metals potential of the

highly prospective but relatively under-explored Oxford Lake property.

For more details regarding the Company’s projects, please visit our website at www.altoventures.com.

ON BEHALF OF THE BOARD,

Richard J. Mazur, P. Geo.,

CEO

ALTO VENTURES LTD.

Suite 615- 800 West Pender St.

Vancouver, B.C. V6C 2V6

Tel: 604.689.2599

Fax: 604.689.3609

www.altoventures.com

[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.

For further information contact:

Mike Koziol,

President and Director

ALTO VENTURES LTD.

Unit 7 – 1351C Kelly Lake Rd

Sudbury, ON., P3E 5P5

Tel: 705-522-6372

Email: [email protected]

Rick Mazur,

CEO and Director

ALTO VENTURES LTD.

Suite 615-800 W. Pender Street

Vancouver, BC, V6C 2V6

Tel: 604-630-1585

Email: [email protected]