Graham Holdings Company (NYSE:GHC) announced today that it will move its headquarters to 1300 North 17 th Street, Suite 1700, Arlington, VA 22209. The main telephone number is (703) 645-6300. The new address and telephone number will take effect on Monday, August 18, 2014. About Graham Holdings Company ( www.ghco.com) Graham Holdings Company (NYSE:GHC) is a diversified education and media company whose principal operations include educational services, television broadcasting, cable systems and online, print and local TV news. The Company owns Kaplan, a leading global provider of educational services; Graham Media Group (WDIV–Detroit, KPRC–Houston, WKMG–Orlando, KSAT–San Antonio, WJXT–Jacksonville); Cable ONE, serving small-city subscribers in 19 midwestern, western and southern states; The Slate Group (Slate, Slate V, The Root); and Foreign Policy. The Company also owns Trove, a digital team focused on innovation and experimentation with emerging technologies; SocialCode, a leading social marketing solutions company; Celtic Healthcare; Forney Corporation; Joyce/Dayton Corp; and Residential Healthcare Group.