0001181431-06-030018 4 1 20060510 20060512 20060512 CROWN CASTLE INTERNATIONAL CORP 0001051470 4899 760470458 DE 1231 510 BERING DRIVE SUITE 500 HOUSTON TX 77057 7135703000 510 BERING DRIVE SUITE 500 HOUSTON TX 77057 HACK RANDALL 0001071788 4 34 001-16441 06836057 7135703070 CROWN CASTLE INTERNATIONAL CORP 510 BERING DR STE 500 HOUSTON TX 77057 4 1 rrd115701.xml OPTION EXERCISE 0506