St. Louis, Missouri - August 24, 2012 - Post Holdings, Inc. (NYSE:POST) today named Diedre J. Gray as SVP, General Counsel and Corporate Secretary effective September 1, 2012.  Ms. Gray joined Post in December 2011 as SVP - Legal and Corporate Secretary of Post.  Post completed its separation from Ralcorp Holdings, Inc. on February 3, 2012.

"This elevation recognizes the critical role Diedre has performed in managing the spin-off from Ralcorp and establishing Post as a stand-alone company," said Rob Vitale, Post's Chief Financial Officer.   

Prior to joining Post, Ms. Gray was Associate General Counsel and Assistant Secretary at MEMC Electronic Materials, Inc., a semiconductor and solar wafer manufacturing company. She began her career at Bryan Cave LLP, focusing on M&A and securities.  Ms. Gray received a J.D. from Vanderbilt University in 2003.

About Post Holdings, Inc.

Post Holdings, Inc. is the parent company of Post Foods, LLC.  Post has enriched the lives of consumers, bringing quality foods to the breakfast table since the company's founding in 1895. Post's products are generally sold to supermarket chains, wholesalers, supercenters, club stores, mass merchandisers, distributors, convenience stores and the foodservice channel in North America. Those products are manufactured at four facilities located in Battle Creek, Michigan; Jonesboro, Arkansas; Modesto, California; and Niagara Falls, Ontario. Post's portfolio of brands includes diverse offerings to meet the taste and nutritional needs of all families, including such favorites as Honey Bunches of Oats®, Pebbles(TM), Great Grains®, Post Shredded Wheat®, Post® Raisin Bran, Grape-Nuts®, and Honeycomb®.  Post is dedicated to health and wellness, offering consumers a variety of cereal choices to meet their nutritional needs from whole grain and fiber to lower sugar offerings. For more information, visit www.postfoods.com.