ADC Names Lois M. Martin to Board of Directors; New Board Addition Adds Leadership, Financial Expertise and Diversity.

Business Editors/High-Tech Writers

MINNEAPOLIS--(BUSINESS WIRE)--March 3, 2004

ADC (Nasdaq:ADCT, www.adc.com) today announced that Lois M. Martin was elected to ADC's Board of Directors. Martin is executive vice president and chief financial officer of World Data Products, Inc. World Data Products is an industry-leading provider of server, storage, network, and telecom solutions worldwide.

"We are very pleased to add Lois to our board and look forward to her contributions and counsel as we improve ADC's future," said John A. Blanchard III, chairman of ADC. "Lois brings a track record of leadership and accomplishment in a variety of business environments, as well as being a talented strategist and financial executive."

"ADC is a great company and appears to be well-positioned for long-term growth," said Martin. "I look forward to serving and contributing to ADC's board of directors and helping the company achieve its goals in a very exciting industry."

Prior to joining World Data Products, Martin served Deluxe Corporation for seven years. During this time, she held several key positions, including senior vice president and chief financial officer, vice president and corporate controller, vice president and controller of Deluxe Financial Services Group, vice president and controller of Paper Payment Systems Division, director of accounting services, and director of internal audit.

"Lois Martin brings a wealth of experience and knowledge that will complement ADC's board of directors," said Bob Switz, president and CEO of ADC. "As we enter a new growth stage, her skills and strategic counsel will help us make the best possible decisions to grow sales in core business areas, divest certain non-core products, and stay focused on operating effectively with a low cost structure."

In addition to her career at Deluxe Corporation and World Data Products, Martin served four years with Carlson Companies, a privately held group of companies. As international controller at Carlson, she traveled extensively, handling diverse accounting, control and business issues for the company's entities in Japan, Australia, New Zealand, Canada, and the United Kingdom.

Martin began her career at Coopers and Lybrand (now PricewaterhouseCoopers LLP), a Big Four public accounting firm in Minneapolis. While there, she earned her CPA designation.

Martin has served on the board of directors of eFunds Corporation and of Ensodex Corporation. She also acted as secretary / treasurer for both the Deluxe Corporation Foundation and the W.R. Hotchkiss Foundation between 1996 and 2001. In addition, she was Deluxe's national United Way chairperson in 1999. She sat on the board of PATH (Professional Association of Treatment Homes). She is a member of Financial Executives Institute (FEI) and the American Institute of Certified Public Accountants; a mentor with MENTTIUM (a program that offers coaching and support to professional women); and a trustee of St. Rose of Lima and sits on the St. Rose Finance Council.

Martin received her bachelor's degree (summa cum laude) in business administration and accounting from Augustana College in 1985.

About ADC

ADC offers high-quality, value-added solutions of network equipment, software and systems integration services that enable communications service providers to deliver high-speed Internet, data, video and voice services to consumers and businesses worldwide. ADC (Nasdaq:ADCT) has sales into more than 90 countries. Learn more about ADC Telecommunications, Inc. at www.adc.com.