HOUSTON--(BUSINESS WIRE)--KMG Chemicals, Inc. (NYSE: KMG), a global provider of specialty chemicals to select markets, today announced financial results for the fiscal 2015 second quarter ended January 31, 2015. 2015 Second Quarter Financial Highlights Consolidated net sales were $79.8 million, a 5% decrease from last year’s second quarter. Sales declined due to reduced creosote volume and the divestiture of the creosote business in January. Adjusted EBITDA1 increased to $9.0 million, up 50% fr