13236 Cliffstone Court

CANADA

13236 Cliffstone Court

Lake Country BC V4V 2R1

Tel: 250-766-1517

Fax: 250-766-1839

www.sierrairon.com

NEWS RELEASE

November 27, 2017 Symbol:-TSX-V: CLM

Private Placement Oversubscribed

Vancouver, BC – Crystal Lake Mining Corporation (the “Company”) is pleased to announce that it has

received subscriptions for 2,000,000 units (“Units”) totaling $400,000 pursuant to the non-brokered, non-

flow through private placement announced on November 6, 2017. Each unit consists of one common share

issued at $0.20 per share, and one common share purchase warrant (a “Warrant”). One Warrant may be

exercised by the holder to purchase one additional common share at a price of $0.25 for 18- months from

closing.

In addition, the Company has received subscriptions for 2,000,000 flow-through units (each a “FT Unit”)

totaling $500,000 pursuant to the f low-through private placement announced on October 26, 2017. Each

FTUnit consists of one flow-through common share issued at $0.25 per share, and one -half of one non-

flow-through common share purchase warrant (each whole warrant being a “Warrant”). One Warrant may

be exercised by the holder to purchase an additional non -flow-through common share at a price of $0.30

for 18-months from closing.

The proceeds of this private placement will be used to advance exploration activities at the Company’s

Emo, Ontario properties and for general working capital.

Both the flow through and non-flow private placements were oversubscribed.

Finder’s fees are payable to qualified recipients at the rates allowable by the TSXV . All securities issued

are subject to a four-month hold period and closing remains subject to TSXV approval.

About the Company

Crystal Lake Mining Corporation is a mineral exploration/Development company focused on creating

value through the exploration and development of its British Columbia and On tario mineral

properties.

On behalf of The Board of Directors of Crystal Lake Mining Corporation.

Alphonse Ruggiero, Director/CFO

This news release contains certain forward looking statements which involve known and unknown risks, delays, and uncertainties not under

the control of Crystal Lake Mining Corporation which may cause actual results, performance or achievements of Crystal Lake Mining

Corporation on to be materially different from the results, performance or expectation implied by these forward looking statements.

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 press release, which has been prepared by management..