NOTICE: Online ordering will be offline on April 21st from 2AM to 8 AM for security upgrades. To place an order during this time, please call 800.225.5425 or email Orders@hmhco.com. Apologies for the inconvenience.

Houghton Mifflin Harcourt to Participate in the Oppenheimer 19th Annual Technology, Internet & Communications Conference

BOSTON – Global learning company Houghton Mifflin Harcourt (“HMH” or the “Company”) (NASDAQ: HMHC) announced today that it will participate in the Oppenheimer 19th Annual Technology, Internet & Communications Conference at the Four Seasons Hotel in Boston on Tuesday, August 9, 2016.

Joseph Abbott, HMH’s Chief Financial Officer, will participate in a fireside chat from 2:25 p.m. to 3:00 p.m. eastern time. A live webcast will be available on the events page of the Company’s investor relations website, http://ir.hmhco.com/investors/events-and-presentations/events-calendar/default.aspx. A replay will also be available for three months following the event.

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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.

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CONTACTS
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