Source: Erdene Resource Development Corp.                         Date: 21 June, 2011

The following are among the highlights of the update provided by Erdene Resource Development Corp.  on its principal projects in conjunction with the release of its first quarter 2011 financial results.

Zuun Mod 30 year Mining License Issued

Zuun Mod NI 43-101 Resource Estimate Issued

Initial Drilling Program completed on the Khuvyn Khar copper discovery

Ends quarter with $7.5 million in cash and cash equivalents.

In 2011, the Corporation will continue to expand its program of regional exploration to identify areas, principally in southern Mongolia, with the potential to host porphyry related copper-gold-molybdenum mineralization.