BUFFALO, NEW YORK (June 6, 2000) – The Board of Directors of Gibraltar (Nasdaq: ROCK) has declared a cash dividend of $.03 per share for the quarter ended March 31, 2000. The dividend will be payable on June 30 to shareholders of record on June 16.

On May 23, Gibraltar announced that it was increasing its annual dividend by 20 percent, from $.10 per share to $.12 per share. The dividend declared today will be the first payment at the higher rate.

In April, Gibraltar announced its best-ever first quarter results (sales up 17 percent to $168 million, and net income up 21 percent to $6 million, or $.47 per diluted share). In its first quarter earnings release, the Company also said it expects that 2000 will be its ninth consecutive year of sales and earnings growth.

Gibraltar is a growth-oriented company, with expanding operations in the building and construction products, metal processing, and commercial heat-treating markets. The Company serves approximately 9,000 customers in a variety of industries. It has approximately 3,100 employees and operates 49 facilities in 19 states and Mexico. Gibraltar’s news releases, along with comprehensive information about the Company, are available on the Internet, at www.gibraltar1.com.

Information contained in this release, other than historical information, should be considered forward-looking, and may be subject to a number of risk factors, including: the impact of changing steel prices on the Company’s results of operations; changing demand for the Company’s products; risks associated with the integration of acquisitions; and changes in interest or tax rates.