AURYN Mining Corp. (AUMC)

[Captain Black Bob Blanco]

Cerro Dorado, Inc. (OTC: CDCH) is pleased to announce that pursuant to FINRA Rule 6490, FINRA has processed our request for a reverse split, name change, and symbol change. Full details are available on FINRAs Daily List page (http://otce.finra.org/DailyList.)

Effective August 14, 2018, we will trade as AURYN Mining Corporation with the ticker symbol, CDCHD, for a twenty-day period. After that we will trade under our new symbol on the OTC Pinks, AUMC. The new CUSIP is 05208V100.

With the implementation of a 100-to-1 reverse split, AURYN Mining Corporation has 70,000,000 common shares authorized and issued, and 5,000 preferred shares authorized and issued.

Further announcements are pending and will be posted on our new website, https://aurynminingcorp.com.