Costco Wholesale Corporation reported net sales of $9.13 billion for the month of March, the five weeks ended April 1, an increase of 10 percent from $8.33 billion during the similar period last year.


For the first 31 weeks of its reporting period ended April 1, 2012, the company reported net sales of $56.3 billion, an increase of 11 percent from $50.8 billion during the similar period last year.


Comparable sales for these periods were as follows: 



                                              5 Weeks   31 Weeks
                                                ———      ———

                    U.S.                          6%        8%
                    International            7%        9%

                    Total Company         6%        8%
                                    ========= =========

 

Inflation in gasoline prices had a positive impact on comparable sales, particularly for the 31-week period; foreign currencies had a negative impact for both periods. Excluding these effects, comparable sales for these periods were as follows:

 

                                           5 Weeks   31 Weeks
                                             ——— ———

                    U.S.                      5%        6%
                    International        9%       10%

                    Total Company    6%        7%
                                            ===== =====