For the three months ended June 30, the maker of Frosted Flakes cereal and other products earned $301 million, or 84 cents per share. That's down 12 per cent from $343 million, or 94 cents per share, a year earlier.
Analysts expected earnings of 85 cents per share.
Revenue for the Battle Creek, Mich., company edged up 2 per cent to $3.47 billion. That beat Wall Street's estimate of $3.38 billion.
Kellogg Co. currently gets most of its revenue from North America.
It reaffirmed its full-year earnings outlook of $3.18 to $3.30 per share. Analysts expect $3.34 per share. Their estimates usually exclude one-time items.