Miner & Miner and Azteca Systems combine to provide asset management solutions

Fort Collins, CO, July 16, 2001 — Miner & Miner Consulting Engineers Inc. and Azteca Systems have partnered to create a computer maintenance management system to public works and utilities organizations around the world.

The companies, both long-time exclusive business partners of ESRI, have agreed to combine their respective technologies to provide a more comprehensive solution for GIS-based asset maintenance management for Water, Wastewater and Storm Water utilities.

Both firms will offer Miner & Miner's ArcFM solution with Azteca's Cityworks Enterprise Asset Management software.

This relationship provides Azteca Systems and Miner & Miner the ability to offer their respective customers significantly enhanced production and management solutions. In addition, both companies will expand their respective customer base and continue to extend the ESRI GIS community.

The arrangement meets the industry's ever-increasing demand for facilities and asset management needs by combining their unique resources and leveraging their complementary technologies.

"We are excited about working with Azteca. This collaboration will provide industry-specific design functionality and a comprehensive enterprise asset management solution for the water utility market," said Susan Powell, M&M's Director of Operations and Business Partner Coordinator. "This collaborative effort between Azteca and Miner & Miner will truly benefit our customers," said Brian Haslam, President of Azteca Systems.

"Being able to offer the benefits of the ArcFM editing tools, combined with Cityworks in ArcGIS, provides customers with an unparalleled set of asset management tools."

The integrated software allows utilities access to a comprehensive enterprise solution, from design to maintenance. Cityworks customers will have a comprehensive set of editing tools Miner & Miner and Azteca Systems July 9, 2001 Page 2 of 3 to enhance their geographic editing environment. ArcFM paired with CityworksFM's attribute editing forms, provides unparalleled functionality.

These benefits extend to the Miner & Miner user base adding maintenance management capabilities to their customers on-going Operations and Maintenance needs.

About Miner & Miner

Miner & Miner is a world leader in the development and implementation of geographic information system (GIS) software for utilities. M&M products and services assist electric, gas, water and wastewater utilities in increasing productivity, lowering costs, and improving services by allowing them to effectively manage spatial information.

Founded in 1946 as a full-service electrical engineering firm, M&M has been an equity partner of ESRI since 1987. This partnership has enabled M&M to become the world's developer of ArcGIS applications for the utility industry. M&M services include implementation and customization of software to fit the needs of individual utilities. For more information, please visit the Web site at www.miner.com.

About Azteca Systems

Founded in 1986, Azteca Systems, Inc. is the provider of GIS-based Enterprise Asset Management and Computer Maintenance Management Systems for Public Works and Utilities. Built exclusively on top of ESRI's GIS technology, Cityworks is powerful, scalable and affordable. For more information on Azteca and Cityworks, visit the web site at www.azteca.com.

About ESRI

For more than thirty years, ESRI has been the developer of GIS software with more than 220,000 clients worldwide. ESRI also provides consulting, implementation, and technical support services. In addition to its headquarters in California, ESRI has regional offices throughout the United States, international distributors in more than 90 countries, and more than 700 resellers and developers.

ESRI's goal is to provide users with comprehensive tools to help them quickly and efficiently manage and use geographic information to make a real difference in the world around them. ESRI can be found on the Web at www.esri.com.