The French group said it now expected 2011 operating profit to drop by between 15 percent and 20 percent against a previous forecast of a 15 percent decline.
The world's second-biggest retailer by sales after U.S. group Wal-Mart
Quarterly sales were broadly in line with a forecast of 22.74 billion euros in a Reuters poll of 12 analysts.
($1 = 0.725 Euros)
(Reporting by Dominique Vidalon; Editing by James Regan)