Adjusted earnings are now expected to be between $8.26 and $8.41 per share, according to the company. The previous forecast was $8.46 per share.
The company's stock, which has risen 17 percent so far this year, is down almost 3 percent in futures trading after the announcement.
The delivery volume of tobacco-free snus Zyn fell 1.2 percent to 5.1 billion cans in the second quarter, in line with forecasts.
Adjusted second-quarter earnings of $2.20 per share were better than the $2.04 per share expected. Net sales of $11.2 billion compared with an average forecast of $10.6 billion.
