Houghton Mifflin Harcourt to Host Investor Day on May 12, 2015

Global learning company Houghton Mifflin Harcourt (“HMH” or the “Company”) (NASDAQ: HMHC) today announced that it will host an Investor Day on Tuesday, May 12, 2015 from 8:00 a.m. to 1:00 p.m. in New York City. At the event, HMH’s management team will provide an in-depth look into the Company’s operations, industry dynamics, growth initiatives, and financial results and outlook. Investors will also have an opportunity to view HMH’s digital showcase featuring the Company’s latest innovative products.

Professional investors and financial analysts interested in attending the event should email hmhevents@meetingsolutionsinc.com. Advance registration is required.

The event will be webcast live and accompanying slides will be available at ir.hmhco.com. A replay of the event will be available on the Company’s website following the event.

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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