Irvine, CA. – May 12, 2008 - PDSI, the leading provider of public safety employee scheduling and notification solutions, is pleased to announce the following new 2008 first quarter TeleStaff clients:

Frederick County Communications (MD) Montgomery County Homeland Security (MD) Hampton Fire Department (VA) Santa Cruz Fire Department (CA) Rocky Mountain Fire Department (CO) Escambia County EMS (FL) Fresno County Fire Department – California Department of Forestry

TeleStaff is public safety's most advanced scheduling and notification solution. The system is proven to significantly reduce the time, resources and overall cost associated with scheduling employees. TeleStaff's telephony feature enables automated outbound phone calls for emergency recall and daily scheduling purposes. With TeleStaff, public safety scheduling processes can be automated resulting in improved workforce efficiency, controlled labor costs, and compliance with union rules, labor laws and other agency policies. TeleStaff is used by over 475 public safety departments across North America.

About PDSI

Principal Decision Systems International – PDSI, is a software and services company headquartered in Irvine, California that is focused on developing workforce scheduling software for a diverse array of industries including public safety, government, healthcare, and hospitality. The Company designs, develops, markets, implements and supports scheduling software products that automate daily processes such as scheduling employees for shifts, events or appointments resulting in value-added solutions and offering increased productivity among human resources. TeleStaff™ provides public safety agencies a feature-rich scheduling and notification solution unparalleled in its markets. Collection Management System™ (CMS) is a group of applications specifically designed for blood collection organizations. STAFFeasy™ is a web-based event staffing and notification solution designed to fill positions based on rules and notify personnel of work assignments. For more information about PDSI, please visit the company’s website at www.pdsi-software.com.

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Media Contact: Marie Salcedo (800) 850-7374 ext. 1206 E-mail: maries@pdsi-software.com