David Knight to Discuss Spear Phishing, Malicious Attacks at Industry Conference

SUNNYVALE, Calif., – June 4, 2012 – Proofpoint, Inc. (NASDAQ: PFPT)

WHAT: Proofpoint, Inc. (NASDAQ: PFPT), a leading security-as-a-service provider, announced that David Knight, executive vice president of product management and marketing, will present at the Security Leaders Summit West. The presentation will discuss how organizations can prevent spear phishing and other malicious, targeted attacks through an array of advanced technologies.

WHO: David Knight, executive vice president of product management and marketing, Proofpoint

WHEN: 1:30 p.m. – 1:45 p.m., Thursday, June 7, 2012

WHERE: First Level Salon III, The Ritz-Carlton San Francisco, 600 Stockton Street

For more information about the Security Leaders Summits, please visithttp://www.itsecurityleaders.com/west/2012/agenda.php

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.