The Pennsylvania-based chocolate company also lowered its forecast for long-term sales growth to between 2 and 4 per cent, down from the previous 3 to 5 per cent, J.P. Morgan analyst Ken Goldman noted.
Hershey says chief executive Michele Buck will have more to say when she briefs analysts in New York today.
The maker of Hershey chocolate bars and other candies said the layoffs are part of a program aimed at improving the operating profit margin through a streamlined operating model and reduced administrative expenses.
Hershey operates eight factories outside the US As of December, Hershey employed approximately 16,300 full time and 1,680 part-time employees worldwide.
A 15 per cent workforce reduction would therefore represent about 2,700 employees.