Exhibit 99.1

             SigmaTron International, Inc. Press Release

    ELK GROVE VILLAGE, Ill.--(BUSINESS WIRE)--Aug. 4, 2004--SigmaTron
International, Inc. (Nasdaq:SGMA) is pleased to announce that it has
acquired the interest of outside investors in its affiliate SMT
Unlimited, L.P. ("SMTU") and the general partner of SMTU, SMT
Unlimited, Inc., bringing the interest of the Company in SMTU to just
over 80% on a fully diluted basis. SMTU's managers have indicated
their willingness to remain with the operation. The Company believes
that increasing its ownership in SMTU is consistent with its strategy
of providing seamless service to its customers through operations in
the United States, Mexico and China.

    CONTACT: SigmaTron International, Inc.
             Linda K. Blake, 800-700-9095