Aurvista Gold Corporation Adopts Advance Notice By-law and Amendments to Stock Option Plan

Maple Gold Mines Ltd.

MONTREAL, QUEBEC--(Marketwired - May 25, 2017) - Aurvista Gold Corporation ("Aurvista" or the "Company") (TSX VENTURE:AVA)(OTCQB:ARVSF)(FRANKFURT:AV2) is pleased to report that the Board of Directors has adopted amendments to the Aurvista Stock Option Plan which entered into effect on April 26, 2017 until ratified by shareholders at the next annual and special meeting of shareholders. The amendments include i) a clarification of language permitting the Board to accelerate vesting provisions in the event of a change of control; ii) providing that if an option is to expire within a blackout period or within two business days thereafter, the option expiry date will be automatically extended for 10 days; iii) providing that the Board of Directors may extend the 90 day period during which an optionee may exercise its options following ceasing to fulfill a function at Aurvista for up to a year; and finally, iv) providing that the stock option plan be changed from a 10% floating plan to a fixed number of options (16,740,000 options, equal to approximately 12.5% of the presently issued and outstanding shares).