NY -- Standard&Poor's CreditWire 6/6/97 – Standard and Poor's today has assigned its preliminary triple-`B'-plus rating to ConAgra Inc.'s $1 billion Rule 415 shelf registration. ConAgra's triple-'B'-plus corporate credit and senior unsecured ratings, as well as its 'A-2' commercial paper rating, have been affirmed. The outlook is stable. Approximately $4.7 billion of total debt is outstanding. The ratings reflect relatively low business risk, derived from a diverse portfolio of leading packaged-food brands, and the company's major positions in meat packing, poultry, flour milling, grain trading, and agricultural inputs, offset, in part, by moderately high debt leverage. ConAgra has maintained a consistent record of earnings growth, while managing several commodity-related businesses. Adjusted pretax interest coverage has shown steady improvement