HERNDON, Va. — (BUSINESS WIRE) — April 15, 2010 — Deltek, Inc. (Nasdaq: PROJ), the leading provider of enterprise applications software and solutions for project-focused businesses, announced today that it will release its first quarter 2010 financial results on Thursday April 29, 2010. The Company will host a conference call at 5:00 p.m. ET to discuss these results.

The dial-in number for the conference call is 1-877-381-6419 in North America and 1-706-643-9496 outside North America. No password is required to join the call. The conference call also can be accessed through the Investor Relations section of Deltek’s website ( http://investor.deltek.com). Those unable to participate in the live call may hear a replay through May 6, 2010 by dialing 1-800-642-1687 in North America and 1-706-645-9291 outside North America (pass code: 68715452). The replay also will be available through May 6, 2010 on Deltek’s website.

About Deltek

Deltek® (Nasdaq: PROJ) is the leading provider of enterprise applications software and solutions designed specifically for project-focused businesses. For more than two decades, our software applications have enabled organizations to automate mission-critical business processes around the engagement, execution and delivery of projects. More than 12,000 customers worldwide rely on Deltek to measure business results, optimize performance, streamline operations and win new business. Visit www.deltek.com.

Contact:

Investor Relations Contact:
Deltek, Inc.
Joe Wilkinson
703-885-9423
Email Contact
or
Media Relations Contact:
Deltek, Inc.
Patrick Smith
703-885-9062
Email Contact