Blackbaud Extends Offer to Acquire Convio

Blackbaud, Inc.

today announced the extension of the expiration of its cash tender offer for all outstanding shares of common stock of Convio, Inc.

to midnight, New York City time, on Wednesday, April 18, 2012 from midnight, New York City time, today. Pursuant to the terms of the merger agreement between the two companies, the expiration date of the tender offer may only be extended in increments of no more than 10 business days each. This extension supports Blackbaud providing the Department of Justice additional time to review the proposed acquisition before refiling its Hart-Scott-Rodino Notification and Report.