IRO Inter Rock Minerals Inc

Inter-Rock Minerals Inc. (TSX VENTURE:IRO) reported today its first quarter 2008
earnings. Inter-Rock had income of US$129,000 for the quarter, compared to
income of $37,000 for the same period in 2007. First quarter EBITDA increased to
US$329,000 from US$282,000 in 2007.


MIN-AD

MIN-AD, Inc., Inter-Rock's industrial minerals subsidiary, had a very successful
first quarter. MIN-AD's sales volume was 4% higher than in the first quarter of
2007 and unit operating and freight costs both declined as compared with the
prior year period. Sales and marketing costs increased due to expanded sales
efforts in the Upper Midwest dairy market.


Mineral Properties

A gravity survey and an induced polarization survey were completed at
Inter-Rock's Stinagree Valley property. Assessment of the data has indicated
several areas of high exploration interest and a follow-up drill program is
being designed.


A track drill program is planned for the Sentinel property and work on preparing
the necessary permit application has begun. An option agreement for the Cove
Copper project was signed with General Copper Corporation in February.


Additional information is available at www.inter-rockminerals.com and on SEDAR
at www.sedar.com.

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