NEW YORK (Standard&Poor's CreditWire) July 30, 1999--Standard&Poor's today assigned its double-'B' corporate credit rating to Sanmina Corp. and its single-'B'-plus rating to the company's $300 million convertible subordinated note issue. The outlook is stable. The rating is based on the company's solid operating performance, improving business position and moderate financial profile offset by the challenge of managing rapid growth in the competitive electronics manufacturing services industry. San Jose, Calif.-based Sanmina is a leading electronic manufacturing services provider serving primarily telecommunications and data communications original equipment manufacturers (OEM). Sanmina has doubled revenues over the past two years, primarily through acquisitions to bolster its business position. Additionally, operating performance has been consistently solid throughout the last two years,