Zendesk to Present at Upcoming Investor Conferences

November 2, 2016

SAN FRANCISCO – November 2, 2016 – Zendesk, Inc. (NYSE: ZEN) today announced its participation in two upcoming conferences.

• Adrian McDermott, President of Products, and Marc Cabi, Vice President of Strategy and Head of Investor Relations, will present at the RBC Capital Markets Technology, Internet, Media and Telecommunications Conference at the Westin Times Square in New York, New York on Wednesday, November 9, 2016. Zendesk’s presentation is scheduled for 11:30 a.m., Eastern Time.

• Tom Keiser, Chief Information Officer and Senior Vice President of Technology Operations, and Marc Cabi, Vice President of Strategy and Head of Investor Relations, will present at the UBS Global Technology Conference at the Ritz Carlton in San Francisco, California on Monday, November 14, 2016. Zendesk’s presentation is scheduled for 4:15 p.m., Pacific Time.

A live webcast of each presentation, and an archived version will be available for six months. Both will be accessible by visiting Zendesk’s investor website at investor.zendesk.com.

About Zendesk:

Zendesk builds software for better customer relationships. It empowers organizations to improve customer engagement and better understand their customers. More than 87,000 paid customer accounts in over 150 countries and territories use Zendesk products. Based in San Francisco, Zendesk has operations in the United States, Europe, Asia, Australia, and South America. Learn more at www.zendesk.com.