Ross Stores, Inc. announced that Michael O’Sullivan, the Company’s President and Chief Operating Officer since 2009, has resigned from the Company and its Board of Directors effective immediately to accept a position with another company. In the interim, Michael Hartshorn, the company’s Group Executive Vice President, Finance and Legal and Chief Financial Officer, and Mike Kobayashi, Group Executive Vice President, Supply Chain, Merchant Operations and Technology will report directly to Ms. Barbara Rentler. Additionally, Gary Cribb, Group Executive Vice President, Stores and Loss Prevention, will report to Jim Fassio, President and Chief Development Officer.