The grocer is also lowering its earnings projection for the year.
The Austin, Texas, grocery chain says it earned a profit of $158 million, or 42 cents per share, in the quarter ended Jan. 19. That compares with a profit of $146 million, or 39 cents per share, in the year-ago period.
Revenue rose 10 percent to $4.24 billion in the quarter.
Analysts expected 44 cents per share on revenue of $4.29 billion, according to FactSet estimates.
Revenue at stores opened at least a year rose 5.4 percent. Analysts were expecting a 5.6 percent gain.
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