0000929624-99-000107 SC 14D9 3 19990122 AG ASSOCIATES INC 0000942124 3559 942776181 CA 0930 SC 14D9 34 005-49869 99510012 4425 FORTRAN DRIVE SAN JOSE CA 95134-2300 4087451790 4425 FORTRAN DRIVE SAN JOSE CA 95134-2300 AG ASSOCIATES INC 0000942124 3559 942776181 CA 0930 SC 14D9 4425 FORTRAN DRIVE SAN JOSE CA 95134-2300 4087451790 4425 FORTRAN DRIVE SAN JOSE CA 95134-2300 SC 14D9 1 000092962499000107-001-seq1-sc-14d9.txt SCHEDULE 14D-9 EX-99.4 2 000092962499000107-002-seq2-ex-99-4.txt LETTER TO SHAREHOLDERS, DATED JANUARY 22, 1999 EX-99.12 3 000092962499000107-003-seq3-ex-99-12.txt INFORMATION FROM COMPANY'S PROXY STATEMENT