VISIBLE SYSTEMS ANNOUNCES AGREEMENT WITH OUTSELL INTERNATIONAL

OutSell Will Provide a Nationwide Direct Sales Organization to Sell Visible's Solutions for Modernizing Legacy Software Systems and Improving Enterprise Software Quality

WALTHAM, MA -- April 25, 2002 -- Visible Systems Corporation, a leader in application development tools, and OutSell International today announced a two-year agreement under which OutSell's sales organization will represent Visible's suite of software products to enterprises and organizations throughout North America. Visible's internal marketing team will immediately gain 15 seasoned direct sales people, as well as two senior sales and marketing consultants.

"We are excited to have Visible's product suite as part of our offerings to enterprise customers," stated Alan Hutchings, president of OutSell International. "We are very selective in the software products we provide to our sales organization and believe Visible's high-quality products will be well received by our reps and customers."

"Visible's products have been proven to deliver tremendous value to the IT marketplace, and we continue to seek innovative ways of bringing these technologies to market," said George Cagliuso, president of Visible. "Our relationship with OutSell is an outgrowth of our forward-thinking strategy for market expansion and growth."

Delivering Innovative Enterprise Software Solutions

OutSell's network of sales representatives in the U.S. and Canada will introduce Visible's solutions to large organizations that seek to increase the productivity of their development staffs and effectively manage software and/or hardware projects. Specific solutions include Visible's .NET Development Suite for companies that are adopting Microsoft's™ .NET environment and Visible's Symmetry software that enables project managers to manage changes, revisions, releases for large software and/or hardware development projects. Visible products enable customers to develop and deploy enterprise software smarter, better, and faster. Visible's products offer the best "value proposition" in the marketplace.

About OutSell International

OutSell, headquartered in Mesa, AZ, is the only direct sales force to provide national, regional, and vertical sales coverage at a variable rather than at a fixed cost. For the typical fixed cost of one in-house sales person, OutSell International's commissioned sales force can sell products throughout North America. The OutSell International sales force is highly automated, experienced, and has an established client base.

About Visible Systems Corporation

Visible headquartered in Waltham, MA, is a leader in application development tools, training, and consulting. Visible has over 100,000 users of its products worldwide. The company's products include Visible Analyst, a powerful software analysis and design tool that supports UML, XML, round-trip, and structured software engineering in one integrated tool set; Visible Developer, a powerful business application modeling and development tool; Razor, a full-featured configuration management; and Razor LCSIS, which enables synchronized product data management and software configuration management.

###

©2002 Visible Systems Corporation. All rights reserved. Visible, Visible Advantage and Visible Universal Model are trademarks of Visible Systems Corporation. Visible Analyst and Razor are registered trademarks of Visible Systems Corporation. VBMentor is a trademark of 3t Software. All other trademarks are the property of their respective owners.