June 6, 2012 – Vancouver, BC: Riverside Resources Inc. ("Riverside" or the "Company") (TSX-V: RRI) and its partner, Antofagasta Minerals S.A. (“Antofagasta”), are pleased to announce that exploration work is now underway at the Flute and Lennac Designated Properties located near Smithers in Central British Columbia (BC). The airborne magnetics, field sampling, logging of drill cores and targeting work are all designed to follow up on known porphyry copper mineralization and extend toward new copper porphyry targets.

Fieldwork for the 2012 season has now commenced on the Flute and Lennac Properties, with initial geological mapping and geochemical rock sampling being undertaken over prospective areas within the claims. Riverside has also retained contractors for diamond drilling, Induced-Polarization (IP) ground geophysics and Reverse-Circulation (RC) drilling to be completed on select areas within the Designated Properties. Applications for permits for the 2012 work-program have been submitted and mechanized work – RC drilling, ground geophysics and diamond drilling - will commence once permits are received.

An airborne geophysical survey has been flown by Aeroquest Limited over the Flute and Lennac Properties, for a total of 4532.4 line kilometers of airborne magnetics coverage over the full extent of both properties. Preliminary results have been received from Aeroquest, and several key structures and lithological domains not seen in regional geological maps have been delineated. Riverside has retained the services of Mira Geoscience to complete 3D unconstrained magnetic inversions on the data to create a 3D magnetic susceptibility model in MAG 3D from UBC-GIF.

Riverside and Antofagasta have planned a 2012 exploration program on the Flute and Lennac Properties consisting of both targeted diamond drill testing of areas of known copper-porphyry mineralization and of regional exploration throughout the claims. Highly prospective regional targets delineated through geological and geophysical interpretations will be tested with shallow, base-of-till/top-of-bedrock RC drilling and with widely spaced, reconnaissance-style lines of IP ground geophysics.

Qualified Person:

The scientific and technical data contained in this news release pertaining to the Lennac and Flute Projects were prepared under the supervision of Howard Davies, MAIG, 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.

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 $9,000,000 in the treasury and 35,000,000 shares issued. The Company’s model of growth through partnerships and exploration looks to use the prospect generation business approach to own resources, while partners share in de-risking projects on route to discovery. Additional property information on the Company’s projects can be found on the Riverside Resources Inc. website at www.rivres.com.

ON BEHALF OF RIVERSIDE RESOURCES INC.

"John-Mark Staude"

Dr. John-Mark Staude, President & CEO

For additional information contact:

_{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.}

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