4-APR-2006, FOR IMMEDIATE RELEASE

Tripod Data Systems Offers $500-$1,000 Trade-In Rebates Towards the Purchase of Ranger Data Collector with Survey Pro Software

CORVALLIS, Ore.—April 4, 2006—(TDS) today announced a new rebate promotion for the TDS Ranger^TM X-Series data collector with Survey Pro^TM software. Customers who trade in their old data collector may receive the following rebates on these purchases:

"The Ranger is already a compelling data collector with its built-in wireless, Survey Pro software, faster processor and the latest version of Windows Mobile software," said Bill Martin, president of TDS. "The rebate gives surveyors one more reason to upgrade now."

The trade-in promotion is valid in the U.S., Puerto Rico and Canada for purchases of Ranger data collectors with Survey Pro software between April 3 and June 30, 2006. The data collector to be traded in must be complete and working. All data collectors that are in working condition and contain all required components are eligible, except HP-based systems. Additional information and trade-in procedures are available at www.tdsway.com/trade and through TDS dealers.

About the Ranger

The Ranger is designed for all-day operation in extreme outdoor and industrial environments. It meets MIL-STD-810F military standards for drops, vibration and temperature extremes. It also has an IP67 rating, meaning it's impervious to water and dust.

The Ranger features the Windows Mobile® 5.0 operating system and is available with integrated Bluetooth and 802.11b wireless. It comes with two CompactFlash (CF) slots for peripheral devices, plus a Secure Digital (SD) slot for extra data storage.

The Ranger comes with a 312 or 520 MHz Intel XScale processor, 64 or 128 MB of SDRAM and 256 or 512 MB of nonvolatile Flash storage. It also includes a 30-hour Li-Ion battery, a sunlight-readable color TFT touchscreen and an ergonomic keypad with separate navigation, alpha and numeric keys.

About Tripod Data Systems

Tripod Data Systems (TDS) develops hardware and software for mobile computing applications. TDS produces data collectors for extreme outdoor and industrial environments, software for land surveying and construction applications, and GIS systems for field data collection and automation. TDS is also the distributor for Nikon® and Spectra Precision® survey products in the United States and Puerto Rico. TDS Survey Pro software has been the #1 choice of surveyors since 1995¹.

TDS is a wholly owned subsidiary of Trimble. TDS is headquartered in Corvallis, Ore., and was founded in 1987. For more information about TDS, visit www.tdsway.com, e-mail survey@tdsway.com or call 541-753-9322.

¹Business News Publishing Company, "Surveying and Mapping Industry Study" 1995-2005. Includes TDS software sold by dealers and TDS partner companies.

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Tripod Data Systems Ranger and Survey Pro are trademarks of Tripod Data Systems. Windows and the Windows logo are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Nikon and the Nikon logo are registered trademarks of Nikon Corporation. All other trademarks are property of their respective owners.