ATLANTA--(BUSINESS WIRE)--Zep Inc. (NYSE:ZEP), a leading consumable chemical packaged goods company that manufactures a wide variety of high-performance maintenance and cleaning chemicals, today announced that it will release its first quarter fiscal 2015 financial results at 7:00 a.m. ET on Tuesday, January 6, 2015 and will hold a conference call to discuss the results at 8:30 a.m. ET the same day. The call and accompanying slide presentation will be webcast and may be accessed through the Com