The ratings reflect Grupo Bimbo S.A. de C.V.'s (Bimbo) leading position in the bread-baking industry in Mexico, its low cost position, and its extensive distribution network. The ratings also reflect the more aggressive financial profile following the acquisition of George Weston Ltd.'s western operations and the challenges it faces in integrating and improving the operation of the acquired unit. Bimbo continues to increase consolidated sales and volumes as a result of the launch of new products, increasing demand, and recent acquisitions in Mexico. On the other hand, operating margins have somewhat improved in light of lower operating expenses and raw material costs. Standard&Poor's Ratings Services expects the company's margins to remain pressured, given the stronger competition and lower