SAN FRANCISCO (Standard&Poor's) Jan. 15, 2013--Standard&Poor's Ratings Services today assigned its 'BBB-' senior unsecured debt ratings to Omaha, Neb.-based ConAgra Foods Inc.'s proposed senior unsecured debt securities expected to total about $3.975 billion, consisting of a three-year, five-year, 10-year, and 30-year tranche (actual amounts and maturity dates to be finalized at the close of transaction). The notes will be issued under the company's Rule 415 shelf registration. We are also assigning our 'BBB-' issue-level ratings to the company's $1.5 billion unsecured term loan due 2017 and $4.5 billion 364-day bridge facility. Net proceeds of the notes offering and bank facilities will be used to fund the company's pending acquisition of Ralcorp Holdings Inc. (BBB-/Negative/--). The ratings