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Symbol:-TSX-V.NAA OTCQX:SIOCF VANCOUVER, Sept. 5, 2012 /CNW/ - SIERRA IRON ORE CORP (the "Company") is pleased to report the first assay results from its core drill program at the Company's Veinte zone located within the El Creston Property Iron Ore Project north of the city of Choix, Mexico. The Company is encouraged by the results of the initial eight drill holes, with six holes intersecting significant iron bands grading 30% iron ore or greater. The initial assay results of the six holes are highlighted by more than 66 meters of 30% iron or better including more than 33 meters of 45% iron or better. "We are very encouraged by the results of the first series of holes to be drilled on the El Veinte zone of the El Creston property", stated Wally Boguski, President and CEO. "We look forward to continue reporting the next series of holes in our drill program and moving the company a step closer to a defined resource." ____________________________________________________ |Drill Hole Number|from (m)|to (m)|Length (m)|% Fe2O3| |_________________|________|______|__________|_______| | | | | | | |_________________|________|______|__________|_______| |CDH-27 | 0.00| 3.04| 3.04| 53.22| |_________________|________|______|__________|_______| | | 3.04| 7.62| 4.58| 34.30| |_________________|________|______|__________|_______| | | 7.62| 10.66| 3.04| 49.90| |_________________|________|______|__________|_______| | | 3.05| 6.09| 3.04| 56.21| |_________________|________|______|__________|_______| | | 6.09| 9.13| 3.04| 40.12| |_________________|________|______|__________|_______| | | 9.13| 11.20| 2.07| 41.33| |_________________|________|______|__________|_______| | | 14.80| 18.51| 3.71| 33.87| |_________________|________|______|__________|_______| | | 26.40| 27.43| 1.03| 69.82| |_________________|________|______|__________|_______| | | 29.94| 31.36| 1.42| 57.29| |_________________|________|______|__________|_______| | | 32.17| 33.92| 1.75| 39.15| |_________________|________|______|__________|_______| | | | | | | |_________________|________|______|__________|_______| |CDH-29 | 28.03| 30.48| 2.45| 39.31| |_________________|________|______|__________|_______| | | 30.48| 32.00| 1.52| 31.49| |_________________|________|______|__________|_______| | | 32.00| 36.74| 4.74| 41.11| |_________________|________|______|__________|_______| | | | | | | |_________________|________|______|__________|_______| |CDH-30 | 25.90| 28.95| 3.05| 32.77| |_________________|________|______|__________|_______| | | 28.95| 32.00| 3.05| 47.98| |_________________|________|______|__________|_______| | | 32.00| 35.05| 3.05| 30.62| |_________________|________|______|__________|_______| | | | | | | |_________________|________|______|__________|_______| ____________________________________________________ |Drill Hole Number|from (m)|to (m)|Length (m)|% Fe2O3| |_________________|________|______|__________|_______| | | | | | | |_________________|________|______|__________|_______| |CDH-32 | 19.81| 22.86| 3.05| 32.85| |_________________|________|______|__________|_______| | | 22.86| 25.90| 3.04| 39.33| |_________________|________|______|__________|_______| | | 25.90| 28.95| 3.05| 34.07| |_________________|________|______|__________|_______| | | | | | | |_________________|________|______|__________|_______| |CDH-33 | 15.24| 18.28| 3.04| 45.34| |_________________|________|______|__________|_______| | | 18.28| 19.81| 1.53| 54.33| |_________________|________|______|__________|_______| | | 25.90| 28.95| 3.05| 30.90| |_________________|________|______|__________|_______| | | 28.95| 32.00| 3.05| 48.89| |_________________|________|______|__________|_______| | | | | | | |_________________|________|______|__________|_______| |CDH-34 | 14.21| 16.76| 2.55| 47.02| |_________________|________|______|__________|_______| | | 18.28| 21.33| 3.05| 49.68| |_________________|________|______|__________|_______| | | 21.33| 24.38| 3.05| 43.10| |_________________|________|______|__________|_______| | | 24.38| 27.43| 3.05| 48.04| |_________________|________|______|__________|_______| | | 27.43| 30.13| 2.70| 54.60| |_________________|________|______|__________|_______| | | 30.13| 33.52| 3.39| 34.66| |_________________|________|______|__________|_______| Mr. Ruben Verzosa, P. Eng., a Qualified Person (QP) as defined by NI 43-101 has approved the geological content of this Press Release. 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 magnetite zones identified by recent exploration work. On behalf of The Board of Directors of Sierra Iron Ore Corporation. Paul Lee, Director 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 Corp. 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 Sierra Iron Ore Corporation CONTACT: Corey Safran, Investor Relations, at 609-228-0595, or by emailat corey@sierrairon.com.

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