Houghton Mifflin Co. - 05/04/04

Houghton Mifflin Company Announces First Quarter 2004 Financial Results Conference Call

BOSTON, Mass. - May 4, 2004 - Houghton Mifflin Company will host its first quarter 2004 financial results conference call on Wednesday, May 12, 2004, at 3:00 p.m. EST.

Teleconference Dial-In Number(s):
United States:  888-428-4474
International:  612-288-0318

The teleconference will be available for replay starting on May 12, 2004, at 6:00 p.m. and ending on May 28, 2004, at 11:59 p.m.

Replay telephone numbers:
United States:  800-475-6701
International:  320-365-3844
Access Code:  729500

Houghton Mifflin President and Chief Executive Officer, Anthony Lucki, and Executive Vice President, Chief Financial Officer and Chief Operating Officer, Stephen Richards, will lead the call.

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About Houghton Mifflin Company
Boston-based Houghton Mifflin Company is one of the leading educational publishers in the United States; publishing textbooks, instructional technology, assessments and other educational materials for elementary and secondary schools and colleges. The Company also publishes an extensive line of reference works and award-winning fiction and nonfiction for adults and young readers, and offers computer-administered testing programs and services for the professional and certification markets. With its origins dating back to 1832, Houghton Mifflin combines its tradition of excellence with a commitment to innovation. The Company's website can be found at www.hmco.com.

CONTACT:
Joseph P. Fargnoli
Vice President, Treasurer
Houghton Mifflin
617-351-3351
joseph_fargnoli@hmco.com