Type	Name	Date
Credit agreement	Amended and Restated Revolving Credit Agreement, by and among Houghton Mifflin Harcourt Company, Houghton Mifflin Harcourt Publishers Inc., HMH Publishers LLC, Houghton Mifflin Harcourt Publishing Company, certain other subsidiaries of Houghton Mifflin Harcourt Company, as subsidiary guarantors, the lenders party thereto and Citibank, N.A., as administrative agent and collateral agent	07/23/2015
Credit agreement	Amended and Restated Term Loan Credit Agreement, by and among Houghton Mifflin Harcourt Company, Houghton Mifflin Harcourt Publishers Inc., HMH Publishers LLC, Houghton Mifflin Harcourt Publishing Company, certain other subsidiaries of Houghton Mifflin Harcourt Company, as subsidiary guarantors, the lenders party thereto and Citibank, N.A., as administrative agent and collateral agent	05/29/2015

Type	Name	Date
By-Laws	Amended and Restated By-laws	11/19/2013

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among the Parent, the Purchaser and the Company	02/22/2022
Acquisition / asset purchase agreement	ASSET PURCHASE AGREEMENT BY AND AMONG HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY, HOUGHTON MIFFLIN HARCOURT COMPANY AND RIVERSIDE ASSESSMENTS, LLC September 12, 2018	09/12/2018