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December 9, 2010 – Vancouver, BC: Riverside Resources Inc. (“Riverside” or the “Company”) (TSX-V: RRI) is pleased to report it has successfully built a portfolio of five drill ready gold-silver projects located in the rich producing Mesa Central region of Mexico. The Durango Gold Properties portfolio has been strategically developed to give Riverside a strong position in one of the most prolific mineral belts in Mexico. These projects add substantial value to Riverside’s property portfolio and were developed at a relatively low cost through a completed Exploration Alliance with Kinross Gold Corporation.

Riverside’s most recent exploration work identified a high potential anomalous target zone at the 100% Riverside owned Escondida Gold Project, in Zacatecas, Mexico. The Company’s completed exploration program on the 160 km² property included detailed mapping, sampling, structural analysis and geophysics. Two east-west striking mineralized trends were identified at Escondida within a 2.1 km by 1.3 km zone defined as the primary drill target area. These mineralized structures were identified through a geophysical IP survey with the target area remaining wide open in multiple directions. The outcropping, cross cutting mineralized structures and projection undercover show many similarities to the nearby Valenciana and San Jose de Reyes mining districts. Several potential drill targets have been delineated for immediate follow up. The table below provides a brief summary of Riverside’s other Durango Gold Properties.

Additional Durango Gold Properties



  • Dump assays for Ag >700 g/t Ag, 5% Pb and 8% Zn
  • High grade exposed surface veins in chip samples of >200 g/t Ag
  • Capitan Hill area drilled by Riverside with all five holes intersecting gold mineralization  (News Release October 20, 2008)

Intercepts Included:

  • 9.80 metres grading 1.07 g/t Au from hole CDDH-08-01
  • 9.55 metres grading 1.11 g/t Au from hole CDDH-08-02
  • Substantial upside: Gold-silver body open to the west and south



  • Geophysical IP response at Catrina is comparable in scale to the Camino Rojo and Peñasquito projects (News Release November 22, 2010)
  • Drill program proposed to test geology, geochemistry and geophysics targets identified



  • Four principal target zones have been identified with epithermal/porphyry style mineralization (News Release July 7, 2010)
  • Drill program proposed to test potential depth of gold-silver vein system



  • Epithermal gold-silver target with large structurally controlled gold anomaly near surface (News Release November 17, 2009)
  • New drill target images and information available at Riverside's website

“The Durango portfolio is the culmination of two and a half years of generative exploration and targeting through the Riverside – Kinross Exploration Alliance, and includes the top projects out of more than 220 anomalous areas that were evaluated.Riverside will consider bundling this portfolio into a major asset deal that could provide upside exposure through a well-funded and accelerated drilling campaign.” stated John-Mark Staude, President and CEO of Riverside Resources Inc.

About Riverside Resources:

Riverside is a well funded prospect generation team of focused, proactive gold discoverers with the breadth of knowledge to dig much deeper. The Company currently has approximately $3,000,000 in the treasury and fewer than 25,000,000 shares issued. Riverside is currently working towards finalizing several important events that fit within the Company’s model of growth through partnerships and exploration.

QA-QC Procedures: The Company has maintained a quality control program to ensure best practices in sampling and analysis in all its exploration programs. Duplicates, standards and blank samples are randomly inserted into the sample stream. For more information on Riverside’s quality control measures please visit www.rivres.com.

The scientific and technical data contained in this news release were prepared under the supervision of Mark J Pryor, Pri.Sci.Nat., an independent qualified person to Riverside Resources, who is responsible for ensuring that the geologic information provided in this news release is accurate and acts as a "qualified person" under National Instrument 43-101 Standards of Disclosure for Mineral Projects.


"John-Mark Staude"

Dr. John-Mark Staude, President & CEO

For additional information contact:

Joness Lang

Manager, Corporate Development
Riverside Resources Inc.
Phone: (778) 327-6671
Fax: (778) 327-6675
Web: www.rivres.com

Kaley Reid

Corporate Communications
Riverside Resources Inc.
Phone: (778) 327-6671
Fax: (778) 327-6675
Web: www.rivres.com

Certain statements in this press release may be considered forward-looking information. These statements can be identified by the use of forward looking terminology (e.g., "expect”,” estimates", "intends", "anticipates", "believes", "plans"). Such information involves known and unknown risks -- including the availability of funds, the results of financing and exploration activities, the interpretation of exploration results and other geological data, or unanticipated costs and expenses and other risks identified by Riverside in its public securities filings that may cause actual events to differ materially from current expectations. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release.

Neither the 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 release.