Modtech Holdings, Inc. (Nasdaq:MODT) President and Chief Executive Officer Dennis Shogren will present at the Robotti & Company 4th Annual Manufactured Housing Conference being held September 25, 2007 in New York City.

Modtech's 30-minute presentation is scheduled to begin at 10:30 a.m. EDT on Tuesday, September 25 and will include a discussion of the Company's business fundamentals and growth strategies. The presentation audio and accompanying slides will be webcast live and made available on the company's website at www.modtech.com in the Investor Relations section. The webcast will also be archived on the website.

About Modtech Holdings, Inc.

Modtech® is a leading national designer and manufacturer of modular buildings, both permanent and relocatable. In the school industry, the company has advanced typical modular building technology to greater dimensions of flexibility and architectural integrity. Modtech® has substantial product and geographic diversification throughout the southwestern states and Florida. Modtech's commercial and industrial buildings are sold to a diverse end-user market and may be leased through national, regional, and local dealers. The company also designs and manufactures modular buildings to customer specifications for a wide variety of uses.

Modtech Holdings, Inc.
Dennis Shogren, Chief Executive Officer
951-943-8800
Ken Cragun, Chief Financial Officer
951-943-8889
or
Silverman Heller Associates
Phil Bourdillon/Gene Heller, 310-208-2550