0000950131-99-004802 10-Q 3 19990702 19990811 GSI GROUP INC 0001050925 3523 370856587 DE 1231 10-Q 34 333-43089 99683629 1004 EAST ILLINOIS ST ASSUMPTION IL 62510 2172264421 1004 EAST ILLINOIS ST ASSUMPTION IL 62510 10-Q 1 000095013199004802-001-seq1-10-q.txt FORM 10-Q EX-10.1 2 000095013199004802-002-seq2-ex-10-1.txt 1ST AM TO 4TH AM & RESTATED LOAN & SECURITY AGREE EX-27 3 000095013199004802-003-seq3-ex-27.txt FINANCIAL DATA SCHEDULE