Modular

Tucson, Arizona – November 10, 2005

Modular Mining Systems, the world leader in computer-based solutions for maximizing mine productivity, has received an order from Pilbara Iron to install its IntelliMine^® system at the Pannawonica mine.

"The IntelliMine system, which replaces an existing system, promotes Pilbara Iron's strategy for excellence and standardization of Fleet Management Systems across its organization," stated Eric Davidson, General Manager for Modular's Australasian operations. "Pannawonica is the seventh Pilbara mine to adopt the IntelliMine mine management system and we are pleased to be a part of the organization's continued success."

The IntelliMine^® system selected by Pannawonica includes:

The MasterLink^® self-configuring wireless network that improves transmission speed and data capacity, and automatically reconfigures to ensure communication and coverage are not interrupted
The DISPATCH^® industry standard dispatching system designed to provide automatic, optimized haul truck assignments, GPS-based equipment positioning, equipment health monitoring, maintenance tracking, blending, production reporting, and more
The PowerView™ reporting system that can be used to create virtually any type of Windows-based report on load, haul, or dump operations

Pannawonica will employ the system on a variety of equipment including: 17 trucks, 6 loaders, and excavators. Installation will occur early 2006, with start-up anticipated in March 2006.

About Pilbara Iron Pannawonica Mine

Pilbara Iron, a member of the Rio Tinto Group, is a world-class asset manager that operates and maintains mining, rail and export facilities in the northwest of Western Australia on behalf of asset owners, Hamersley Iron and Robe River Iron Associates. The company was established in 2004 to facilitate closer cooperation between Hamersley Iron and Robe River Iron Associates—two independent Rio Tinto Group iron ore operations with operations in the Pilbara. Pannawonica, an open cut iron ore mine, is located approximately 1491 km northwest of Perth in Western Australia. The mine produces 32 million tonnes of iron per annum.

About Modular Mining Systems, Inc.

Modular, headquartered in Tucson, Arizona, is the market share leader in providing powerful information management solutions to meet the needs of both open pit and underground mining operations worldwide. The company's products range from fully automated, total mine management and control systems using the latest high-precision global positioning systems for surface applications, to proven mining cycle control, monitoring, and identification systems for underground mines. Modular has sales and support offices located in all key world-mining markets. For more information on Modular, the IntelliMine^® system, or the company's new, revolutionary systems for rail management and equipment automation, visit the Modular website at http://www.modularmining.com.

Email: products@mmsi.com

Phone: 520.746.9127