EX-99 2 0002.txt JOINT FILING AGREEMENT CUSIP No. 38388F108 13-G Page 7 of 9 Pages EXHIBIT 1 TO SCHEDULE 13G --------------------------------------------------- OCTOBER 10, 2000 --------------------------------------------------- MORGAN STANLEY DEAN WITTER & CO. and MILLER ANDERSON & SHERRERD, LLP hereby agree that, unless differentiated, this Schedule 13G is filed on behalf of each of the parties. MORGAN STANLEY DEAN WITTER & CO. BY: /s/ Dennine Bullard -------------------------------------------------------------------- Dennine Bullard / Morgan Stanley & Co. Incorporated MILLER ANDERSON & SHERRERD, LLP BY: /s/ Paul A. Frick -------------------------------------------------------------------- Paul A. Frick / Vice President Miller Anderson & Sherrerd, LLP * Attention. Intentional misstatements or omissions of fact constitute federal criminal violations (see 18 U.S.C. 1001).