Sierra Closes Private Placement

NEWS RELEASE

May 19, 2015 Symbol:-TSX-V:NAA OTCQX:SIOCF

SIERRA CLOSES PRIVATE PLACEMENT

Vancouver, BC – SIERRA IRON ORE CORPORATION (the “Company”) is pleased to announce that it has closed the non-brokered private placement previously announced on March 31, 2015. The Company has issued 1,000,000 units (“Units”) for gross proceeds of $240,000. Each Unit consists of one common share issued at $0.24 per share, and one common share purchase warrant. Each common share purchase warrant may be exercised by the holder to purchase an additional common share at a price of $0.24 for 24-months from closing.

The proceeds of this private placement will be used to advance exploration activities at the Emerald Lake property and for general working capital.

No finder’s fees were paid.

All securities issued will be subject to a four-month hold period expiring September 6, 2015.

On behalf of The Board of Directors of Sierra Iron Ore Corporation.

Wally Boguski,

President & CEO

This news release contains certain forward looking statements which involve known and unknown risks, delays, and uncertainties not under the control of Sierra Iron Ore Corporation which may cause actual results, performance or achievements of Sierra Iron Ore Corporation 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.

CANADA USA 13236 Cliffstone Court #1021 – 100 East Street Lake Country BC V4V 2R1 Carefree, AZ 85377 Tel: 250-766-1517 Tel: 480-575-1220 Fax: 250-766-1839 Fax: 480-488-3492 www.sierrairon.com [email protected]