Houghton Mifflin Harcourt to Present at Oppenheimer 18th Annual Technology, Internet & Communications Conference

BOSTON – Global learning company Houghton Mifflin Harcourt (HMH) (NASDAQ: HMHC) announced today that it will participate in the Oppenheimer 18th Annual Technology, Internet & Communications Conference at the Four Seasons Hotel in Boston on Wednesday, August 12, 2015. Linda Zecher, HMH’s President and Chief Executive Officer, and Eric Shuman, Executive Vice President and Chief Financial Officer, will present to attendees beginning at 9:05 a.m. Eastern Time. A live webcast will be available on the events page of the Company’s investor relations website, http://ir.hmhco.com/events.cfm or directly via this link: http://www.veracast.com/webcasts/opco/tmt2015/25202592795.cfm.   A replay will also be available following the event until November 9, 2015.

About Houghton Mifflin Harcourt Houghton Mifflin Harcourt (NASDAQ:HMHC) is a global learning company dedicated to changing people’s lives by fostering passionate, curious learners. As a leading provider of pre-K–12 education content, services, and cutting-edge technology solutions across a variety of media, HMH enables learning in a changing landscape. HMH is uniquely positioned to create engaging and effective educational content and experiences from early childhood to beyond the classroom.  HMH serves more than 50 million students in over 150 countries worldwide, while its award-winning children's books, novels, non-fiction, and reference titles are enjoyed by readers throughout the world. For more information, visit www.hmhco.com. Follow HMH on Twitter, Facebook and YouTube. CONTACT Investor Relations Rima Hyder Vice President, Investor Relations 617-351-3309 rima.hyder@hmhco.com Corporate Communications Bianca Olson Senior Vice President, Corporate Affairs 617-351-3841 bianca.olson@hmhco.com