Sierra Iron Ore Corp. Begins Trading on the OTCQX

VANCOUVER, June 18, 2012

OTCQX:VRCFF

VANCOUVER, June 18, 2012 /PRNewswire/ - SIERRA IRON ORE CORP (the "Company") is pleased to announce that it has begun trading on the OTCQX-International (the "OTCQX") under the symbol "SIOCF." The OTCQX is the highest tier of the OTC Markets and the Company is pleased to increase accessibility for U.S. investors. The OTCQX membership was sponsored and facilitated by Kenneth I. Denos, P.C. who will act as the Company's Principal American Liaison.

OTC Markets Group Inc. is a leading financial information and technology services Company that provides the world's largest electronic inter-dealer quotation system, trading technology and financial information provider for over-the-counter (OTC) securities in the United States. The webpage for Sierra Iron Ore Corp. to access financials, news, contact information and quote & trade information is http://www.otcmarkets.com/stock/SIOCF/quote .

"The OTCQX platform offers investor-focused companies a winning combination of quality control, transparency, and broader visibility to U.S. investors," said R. Cromwell Coulson, President and Chief Executive Officer of OTC Markets Group. "We are pleased to welcome Sierra Iron Ore Corp to OTCQX."

"With the recent completion of the access road to the Veinte zone and the start of the core drill program on the El Creston property, it is an ideal time to increase our corporate profile to U.S. investors," stated Wally Boguski, President and CEO. "The core drill program will help us gather data for the geometry and grade of each magnetite body to establish the required parameters for resource definition"

About Sierra Iron Ore
Sierra Iron Ore is a growth focused mineral exploration company creating value through the exploration and development of the El Creston property located in the Sinoala State of Mexico.  The company has a continual fieldwork program at the El Creston Property that is comprised of drilling, mapping, sampling and planning for further property development. Roads have been built and upgraded as well as equipment has been mobilized for further developing the known iron ore mineral zones identified by recent exploration work.