Riverdeep Interactive Learning Limited

1995:

• The company is founded in Dublin, Ireland, by Pat McDonagh.

2000:

• Members of the management buy the company.

Jul 27, 2000:

• The company acquires ED-Vantage Software, Inc.

Aug 01, 2000:

• The company signs a definitive agreement to acquire the assets of Edmark Corporation from IBM.

Sep 05, 2000:

• The acquisition of Edmark Corporation is concluded.

Sep, 2001:

• The company acquires the education division of The Learning Company from Gores Technology Group for $40 million in stock and $20 million in assumed debt.

Aug 26, 2002:

• The company acquires Broderbund.

Dec 22, 2006:

• The company acquires publisher Houghton Mifflin Company for $3.4 billion. The name is changed to Houghton Mifflin Riverdeep (HM Riverdeep).

Mar 12, 2007:

• The Houghton Mifflin Learning Technology division is launched.

Dec, 2007:

• HM Riverdeep acquires the Harcourt Education Group for $4 billion. A new company formed: Houghton Mifflin Harcourt Publishing Company.

Nov 11, 2008:

• Encore grants exclusive publishing rights in North America to the Houghton Mifflin Harcourt for the Broderbund line of products in the retail, direct-to-consumer and OEM channels.