Maestro Ventures Ltd. - Caldera - 2007 Exploration Program

Caldera - 2007 Exploration Program

Maestro has conducted surface mapping and rock chip sampling as well as compiling all available data from prior work. This was followed in spring 2007 with a drill program that consisted of 8,885 feet drilled in 24 reverse circulation drill holes. All the drilling was located in the northwest portion of the property in the vicinity of previous good drill intercepts or surface samples.

The drilling intersected numerous narrow to broad zones of low grade gold and silver mineralization with one high grade intercept. The best results include 5 feet at 9.03 g/t Au and 163 g/t Ag in hole CD07-24, 55 feet at 0.644 g/t Au and 10.5 g/t Ag in hole CD07-13, 10 feet of 2.73 g/t Au with 17.7 g/t Ag in hole CD07-02, 20 feet at 0.99 g/t Au and 32 g/t Ag in hole CD07-03, and 20 feet at 0.73 g/t Au and 19.7 g/t Ag in hole CD07-23. All significant results are tabulated below.

The drill program did not return as many high grade intervals as was anticipated. However, it continued to demonstrate the strength of the system at Caldera, as 48% of the assayed intervals contained at least 25 ppb gold and 44% contained at least 1 ppm of silver. It should also be noted that the drilling only tested a small portion of the property, approximately 10%, and to limited depths: the maximum vertical penetration was about 500 feet. Numerous highly mineralized areas remain to be tested on other portions of the property.

Table 1: Caldera Significant Drill Intercepts

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