Houghton Mifflin Co. - 07/30/04

Houghton Mifflin Company Announces Second Quarter 2004 Results Conference Call

BOSTON, Mass - July 30, 2004 - Houghton Mifflin Company will host its second quarter 2004 financial results conference call on Friday, August 13, 2004, at 11:00 a.m. EDT.

Teleconference Dial-In Numbers:
United States:  888-428-4480
International:  612-332-0266

The teleconference will be available for replay starting on August 13, 2004, at 6:00 p.m. and ending on August 27, 2004, at 11:59 p.m.

Replay Telephone Numbers:
United States:  800-475-6701
International:  320-365-3844
Access Code:  739492

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.

About Houghton Mifflin Company
Boston-based Houghton Mifflin Company is one of the leading educational publishers in the United States, with over $1 billion in sales. Houghton Mifflin publishes 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. Additionally, Houghton Mifflin 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