HOUGHTON MIFFLIN 401(K) SAVINGS PLAN

[ EIN: 04-1456030 | Plan No. 003 ]

The HOUGHTON MIFFLIN 401(K) SAVINGS PLAN plan, sponsored by HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY, is listed in Form 5500 data as a 401(k) plan. The filing reports 5290 participants and total assets of $583,176,578 for plan year 2023.

401(k) plans are subject to ERISA disclosure requirements and annual reporting obligations.

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Plan Sponsor: HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY

Location: 125 HIGH STREET, BOSTON, MA 02110

EIN: 041456030

Plan Number: 003

Plan Year: 2023

Plan Size: Large Plan

Plan Entity Type: Defined Contribution

Plan Type: 401(k)

Participants: 5290

Total Assets: $583,176,578

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