CDW-G and Discovery Education Support Educational Technology with Five Wireless Labs in Annual Sweepstakes.

Record Number of Entrants and $300,000 in Prizes Mark Program's Fifth Year

VERNON HILLS, Ill., & SILVER SPRING, Md. -- CDW Government, Inc. (CDW-G), a wholly owned subsidiary of CDW Corporation [NASDAQ:CDWC] and leading source of Information Technology (IT) solutions to governments and educators, and Discovery Education, the leader in digital video and multimedia-based learning, today announced the five grand prize winners of the 2007 Win a Wireless Lab sweepstakes. This year's winners are Ballard High School, Seattle; Canutillo Elementary School, Canutillo, Texas; Central Manor Elementary School, Washington Boro, Pa.; John Simatovich Elementary School, Valparaiso, Ind.; and Spalding Public School, Spalding, Neb. Now in its fifth year, Win a Wireless Lab, sponsored by CDW-G and Discovery Education, provides schools with state-of-the-art technology to engage students and inspire teachers to integrate technology into the classroom.

"Technology is a vital teaching tool in our schools," said Bob Kirby, CDW-G senior director K-12. "By infusing technology such as tablet PCs, notebook computers, software and interactive whiteboards into the classroom, and supporting educators with professional development, they are better able to prepare students for an increasingly technology-centric world."

Each of the five grand prize winners receive a mobile wireless lab valued at approximately $50,000, including:

* 20 notebook computers or Tablet PCs from HP, Lenovo or Toshiba

* 3 wireless access points from D-Link or NETGEAR

* 1 Bretford mobile cart

* Computrace security software

* 1 video projector from Epson, Mitsubishi or NEC Solutions

* 1 laser jet printer from Epson, HP or Lexmark

* APC power supply

* 1 networked collection of Discovery School CD-ROMs

CDW-G and Discovery Education will provide installation and professional development at all five schools this fall. In all, Win a Wireless Lab 2007 awarded prizes totaling about $300,000 to 45 educators from 22 states.

"The lab will provide many opportunities for students to have technology available on demand," noted Gloria Guerrero, Canutillo Elementary School. "Our fourth-graders publish the school newspaper. They will be able to use these computers to research, take notes, format the newspaper and publish it."

"I believe that all students can be successful learners," said Joan Carraher, superintendent, Spalding Public Schools. "Learning is much more likely to occur when students are actively engaged in the classroom. Incorporating technology into classroom activities and lessons allows students to become more engaged in their learning."

Bonnie Gambler, first grade teacher at Central Manor Elementary School, noted, "My plan is to use the tablets every day. When these children are young adults, computers, digital cameras and interactive whiteboards will be as common as books and pencils are to us now."

Mary Davison, who leads the business education department at Ballard High School, believes "every student should be given opportunities to discover areas they may want to pursue for work and further study." Ballard High's new wireless lab "will expose students to the latest technology and provide all students in our school with access to greater opportunities," she said.

Elissa Ellis, fifth grade teacher at John Simatovich Elementary School, noted that Win a Wireless Lab "will open students' eyes to a whole new world. Whether it is more exciting lessons or virtual field trips, it is going to be extremely beneficial."

"It is encouraging to see the Win a Wireless Lab competition grow more and more each year. We had a record 170,500 entries this year - 24,500 more than in 2006," said Mary Rollins, director, Discovery Education. "Win a Wireless Lab continues to provide schools with the opportunity to win and use technology that might otherwise be beyond their budgets. We are pleased to partner with CDW-G on this increasingly successful project that has such strong benefits to the education community."

The full list of winners is online at discoveryschool.com/cdwg.

About Discovery Education

Discovery Education is a division of Discovery Communications, the leading global real-world and knowledge-based media company. The leader in digital video-based learning, Discovery Education produces and distributes high-quality digital video content in easy-to-use formats, in all core-curricular subject areas. Discovery Education is committed to creating scientifically proven, standards-based digital resources for teachers, students, and parents that make a positive impact on student learning. Through strategic partnerships with over 25 public television stations across the country, its public service initiatives, products, and joint business ventures, Discovery Education helps educators around the world harness the power of broadband and media to connect their students to a world of learning. For more information, visit www.discoveryeducation.com.

About CDW-G

A wholly owned subsidiary of CDW Corporation (NASDAQ: CDWC), a FORTUNE 500 company, CDW Government (CDW-G) is a trusted technology advisor to federal, state and local government agencies, as well as to educational institutions at all levels. CDW-G offers best-in-class technology products and services from top-name brands such as APC, Acer, Adobe, Cisco, EMC, Fujitsu, HP, IBM, Lenovo, Microsoft, Panasonic, Quantum, Samsung, Sony, Symantec, ViewSonic and Xerox. For more information about CDW-G product offerings, procurement options, service and solutions, call 1.800.863.4239, or visit the CDW-G Web site at CDWG.com.

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