Modtech Holdings, Inc. (Nasdaq:MODT) will release 2007 first-quarter results after the market close on Tuesday, May 15, 2007.

At 1:30 p.m. PDT (4:30 p.m. EDT) on Tuesday, May 15, the Company will hold a teleconference to discuss the financial results and outlook. To participate in the teleconference, please call toll-free 800-291-8929 (or 706-634-0478 for international callers) approximately 10 minutes prior to the start time.

You may also listen to the teleconference live via the Internet at www.modtech.com, under the Investor Relations link, or at www.earnings.com. For those unable to attend, this website will host an archive of the call.

A telephone replay will be available for 48 hours beginning at approximately 4:30 p.m. PDT on May 15. The replay can be accessed by calling 800-642-1687 (or 706-645-9291 for international callers) and providing Conference ID 5873034.

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.