Nu Horizons Expands OEM Channel Partnership Agreement with Sun Microsystems
Expansion Includes Complete Sun Software Portfolio Consisting of Java Software Products, Desktop Systems, Solaris X86 Platform and Software Application Development Tools

Melville, NY - December 21, 2004 - Nu Horizons Electronics Corp. (NASDAQ:NUHC), a leading distributor of high technology active components and systems, today announced the expansion of its original equipment manufacturer (OEM) channel partnership agreement with Sun Microsystems (NASDAQ: SUNW), a world-leading provider of industrial-strength hardware, software and services. In addition to distributing Sun's extensive array of systems, components and storage solutions to the OEM market place, Nu Horizons now offers Sun's complete software portfolio including the Sun Java™ System Software products; Sun's Java Desktop System; Solaris (Sun's UNIX operating system offering) for X86 platforms; and their entire suite of software application development tools.

Nu Horizons' OEM customers and their Sun OEM Technology Providers (Sun's iForce Specialty Reseller partners who resell to OEMs exclusively via Nu Horizons) will have access to the complete Sun software product line. This includes Sun's Java System software products, such as the Sun Java System Web, Application, Directory, Portal and Messaging Server software for identity management, portal, messaging and other advanced web services; in addition to Java Desktop System (a desktop alternative to Microsoft Windows); and Sun's complete line of software application development tools.

"Getting OEMs to architect their intellectual property solutions based on Sun's technology and software platform is a great advantage to Sun," said Greg Stroud, vice president of iForce Partner Sales at Sun Microsystems. "Through our expanded relationship, Nu Horizons and their Sun iForce OEM Technology Providers will now be qualified to sell and deliver the full Sun software portfolio to our joint customers, and help Sun expand its reach into the OEM market."

"The Nu Horizons Sun Business Unit provides inventory management, logistics and engineering services to customers who embed Sun technology into their end solutions. Through our network of Sun authorized partners, Nu Horizons also offers customers outsourced manufacturing and complex integration services," explains Dan Romanelli, vice president of the Sun Business Unit at Nu Horizons. "This expansion of our relationship brings even greater value to our partners and customers. Sun's software products are a key element in enabling our OEMs to get better products to market more quickly and profitably."

Sun Java System Software products distributed by Nu Horizons include:

• Directory Server
• Access Manager (formerly Identity Server)
• Portal Server
• Messaging Server
• Calendar Server
• Instant Messaging
• Application Server
• Web Server
• Active Server Pages
• Java Desk Top System
• Java Studio

About Nu Horizons
Nu Horizons is a leading global distributor of high technology active components, including analog, clock and timing devices, communications, computer products, discretes, flat panel display solutions, interface, logic, memory, microcontrollers and microprocessors, opto electronics and power, to a wide variety of commercial original equipment manufacturers (OEMs). With sales facilities in thirty-seven locations across North America and Asia, and logistics centers in centralized locations throughout the globe, Nu Horizons partners with a limited number of best-in-class suppliers to provide in-depth product and solutions expertise to its customers. Information on Nu Horizons and its services is available at http://www.nuhorizons.com.

Except for historical information contained herein, the matters set forth in this news release are forward looking statements that involve certain risks and uncertainties that could cause actual results to differ from those in the forward-looking statements. Potential risks and uncertainties include such factors as the level of business and consumer spending for electronic products, the amount of sales of the Company's products, the competitive environment within the electronic component industry, the ability of the Company to continue to expand its operations, the level of costs incurred in connection with the Company's expansion efforts and the financial strength of the Company's customers and suppliers. Investors are also directed to consider other risks and uncertainties discussed in documents filed by the Company with the Securities and Exchange Commission.

Sun, Sun Microsystems and iForce Partner are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. All other company and/or product names may be trade names, trademarks and/or registered trademarks of the respective owners with which they are associated.