Compuware Corporation to Announce Second Quarter Results on October 26, 2006

DETROIT--October 23, 2006--Compuware Corporation (NASDAQ: CPWR) today announced that it will report results for its second quarter--ended September 30--after market-close on October 26, 2006. The company will also hold a conference call on October 26 at 5:00 p.m. Eastern time to discuss these results.

In order to access the conference call, interested parties from the United States should call 800-230-1766. For international access, the conference call number is +1-612-288-0318. No password is required.

A conference call replay will also be available following the call. The United States replay number will be 800-475-6701, and the international replay number will be +1-320-365-3844. The replay passcode will be 840562. Additionally, investors can listen to the conference via webcast by visiting the Compuware Corporation Investor Relations web site at http://www.compuware.com.

Compuware Corporation

Compuware Corporation (NASDAQ: CPWR) maximizes the value IT brings to the business by helping CIOs more effectively manage the business of IT. Compuware solutions accelerate the development, improve the quality and enhance the performance of critical business systems while enabling CIOs to align and govern the entire IT portfolio, increasing efficiency, cost control and employee productivity throughout the IT organization. Founded in 1973, Compuware serves the world's leading IT organizations, including more than 90 percent of the Fortune 100 companies. Learn more about Compuware at http://www.compuware.com.