News release

HP Exercises Intellectual Property Rights in Ink

Company discovers patent infringements by retailers Walgreens and OfficeMax

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HP today announced that the company is working with national retailers Walgreen Co. and OfficeMax to resolve ink patent infringements found in multiple U.S. stores of both companies.

Inks found in both Walgreens and OfficeMax refilling service stations infringe HP patents. Both companies are cooperating with HP and are working toward resolution.

"HP protects its intellectual property wherever infringements are found," said Pradeep Jotwani, senior vice president, Supplies, Imaging and Printing Group, HP. "Decades of research and development investment by HP have resulted in more than 4,000 patents related to printing supplies, allowing us to deliver the superior quality and reliable printing experience associated with original HP supplies."

The patent infringements were discovered as part of ongoing worldwide testing and enforcement efforts within HP that are designed to protect the company's intellectual property rights. Over the past year, the same initiative has uncovered ink patent infringements by other companies that offer generic ink supplies through refilling stations or private label brands.

About HP

HP is a technology solutions provider to consumers, businesses and institutions globally. The company's offerings span IT infrastructure, global services, business and home computing, and imaging and printing. For the four fiscal quarters ended April 30, 2006, HP revenue totaled $88.9 billion. More information about HP (NYSE, Nasdaq: HPQ) is available at http://www.hp.com.

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