LAKE FOREST, Calif.--(BUSINESS WIRE)--Del Taco Restaurants, Inc. will announce fiscal second quarter financial results for its wholly-owned subsidiary Del Taco Holdings, Inc. (“Del Taco” or “the Company”) the second largest Mexican-American QSR chain by units in the United States, operating restaurants under the name Del Taco, on Monday, July 27, 2015 after the market closes. Fiscal second quarter 2015 financial results for Del Taco reflect the twelve weeks ended June 16, 2015 prior to the clos