AMENDMENT NO. 1 TO STOCK PURCHASE AGREEMENT AMENDMENT NO. 1 TO STOCK PURCHASE AGREEMENT (this "Amendment No.1"), dated as of March 21, 2006, by and among Scottish Power plc, a Scottish public limited company registered under the laws of Scotland (the...Stock Purchase Agreement • March 21st, 2006 • Midamerican Energy Holdings Co /New/ • Electric, gas & sanitary services
