SUNNYVALE, CA--(Marketwire - May 14, 2012) - Proofpoint, Inc. (NASDAQ: [ PFPT ]), a leading provider of security-as-a-service solutions, today announced that the company has changed the scheduled start time for its first quarter 2012 earnings call. The date of the call remains Thursday, May 17, 2012. The call will start at 1:30 p.m. Pacific Time (4:30 p.m. Eastern Time). The call was previously scheduled to start at 2:00 p.m. Pacific Time (5:00 p.m. Eastern Time).

To access the conference call, dial (877) 591-4953 for the U.S. or Canada and (719) 325-4942 for international callers with conference ID #9437933. The webcast will be available live on the Investors section of the company's website at [ www.proofpoint.com ]. An audio replay of the call will also be available to investors by phone beginning at approximately 5:00 p.m. Pacific Time on May 17, 2012 until 8:59 p.m. Pacific Time on May 31, 2012, by dialing (877) 870-5176 for the U.S. or Canada or (858) 384-5517 for international callers, and entering passcode 9437933. In addition, an archived webcast will be available on the Investors section of the company's website at [ www.proofpoint.com ].

About Proofpoint, Inc.
Proofpoint Inc. (NASDAQ: [ PFPT ]) is a leading security-as-a-service provider that focuses on cloud-based solutions for threat protection, compliance, archiving & governance and secure communications. Organizations around the world depend on Proofpoint's expertise, patented technologies and on-demand delivery system to protect against phishing, malware and spam, safeguard privacy, encrypt sensitive information, and archive and govern messages and critical enterprise information. More information is available at [ www.proofpoint.com ].

Proofpoint, Proofpoint Enterprise Governance, Proofpoint Enterprise Privacy and Digital Thread are trademarks or registered trademarks of Proofpoint, Inc. in the U.S. and other countries. All other trademarks contained herein are the property of their respective owners.