KATY, Texas, July 16, 2024 /PRNewswire/ -- U.S. Silica Holdings, Inc. (NYSE: SLCA) (the "Company"), a diversified industrial minerals company and a leading last-mile logistics provider to the oil and gas industry, announced today that its previously announced agreement to be acquired by funds managed by affiliates of Apollo (NYSE: APO) ("Apollo"), one of the world's premier investment firms, in an all-cash transaction (the "Merger"), was approved at a special meeting of the Company's stockholders (the "Spec ...