UPDATE 1-Kraft and Heinz sales fall in final quarter before merger

Aug 10 (Reuters) - Kraft Heinz Co, the packaged food company formed by the merger of ketchup maker H.J. Heinz Co and Kraft Foods Group Inc, said sales fell 4.9 percent at Kraft and 4.1 percent at ketchup maker Heinz in the last quarter before the merger was completed.