4 2003-06-17 0 0000912562 GIBRALTAR STEEL CORP Rock 0001224760 ELECTRA TRUST U/A 12/31/87 F/B/O LIPKE ERIC R 0 0 0 1 Trust Common stock 2003-06-17 4 J 0 3300 20.0227 D 863501 D Common stock 2003-06-17 4 J 0 1.65 20.0227 D 345 I Rush Creek Investment Co., LP Sale of securities pursuant to a pre-arranged stock trading plan established pursuant to Rule 10b5-1. Represents shares held by Rush Creek Investment Company, LP ("Limited Partnership"). Reporting person has a 5% interest in the General Partner of the Limited Partnership. The Reporting Person disclaims beneficial ownership of the shares held by the Limited Partnership, except to the extent of its pecuniary interest. /s/Janet N. Gabel, Attorney in Fact for Arthur A. Russ, Jr., Trustee 2003-06-18