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Houghton Mifflin Harcourt to Present at Stifel Cross Sector Insight Investor Conference

BOSTON - Houghton Mifflin Harcourt (HMH) (NASDAQ: HMHC) today announced that Joe Abbott, Executive Vice President and Chief Financial Officer, and Brian Shipman, Senior Vice President of Investor Relations, will participate at the Stifel Cross Sector Insight Investor Conference in Boston. The Company's presentation is scheduled for 3 p.m. ET on Wednesday, June 13, 2018. A link to the live webcast of the presentation will be available via HMH's web site at ir.hmhco.com. A replay of the webcast will be available for approximately 30 days following the webcast.

About Houghton Mifflin Harcourt
Houghton Mifflin Harcourt (NASDAQ:  HMHC) is a global learning company committed to delivering integrated solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental solutions and professional learning services, HMH partners with educators and school districts to uncover solutions that unlock students' potential and extend teachers' capabilities. HMH serves more than 50 million students and three million educators in 150 countries, 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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Contact
Investor Relations
Brian S. Shipman, CFA
SVP, Investor Relations
212-592-1177
Brian.Shipman@hmhco.com

Media Relations
Bianca Olson
SVP, Corporate Affairs
617-351-3841
Bianca.Olson@hmhco.com

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