X-Cal Resources Ltd.
.................................... X 1
X-Chequer Resources Inc. ............................... X 1
X-Tal Minerals Corp. ..................................... X 1
Xcel Energy Inc. .......................................... X 2
Xemac Resources Inc. .................................... X 3
Xiss Capital Corp. ......................................... X 4
Xmp Mining Ltd. .......................................... X 4
Xstrata plc .................................................. X
5