Zendesk To Present At Upcoming Investor Conferences

February 17, 2016

SAN FRANCISCO, CA – February 17, 2016 – Zendesk, Inc. (NYSE: ZEN) today announced its participation in three upcoming conferences in San Francisco, California:

• Mikkel Svane, Founder, Chief Executive Officer, and Chair of the Board of Directors, and Marc Cabi, Vice President of Finance and Head of Investor Relations, will present at The Morgan Stanley Technology, Media & Telecom Conference to be held at The Palace Hotel in San Francisco, CA on Monday, February 29, 2016. Zendesk’s presentation is scheduled for 4:25 p.m. Pacific Time.

• Adrian McDermott, Senior Vice President of Product Development, and Marc Cabi, Vice President of Finance and Head of Investor Relations, will present at The JMP Securities Technology Conference to be held at The Ritz-Carlton in San Francisco, CA on Tuesday, March 1, 2016. Zendesk’s presentation is scheduled for 4:30 p.m. Pacific Time.

• Adrian McDermott, Senior Vice President of Product Development, and Marc Cabi, Vice President of Finance and Head of Investor Relations, will present at The Pacific Crest Emerging Technology Summit to be held at Park Central in San Francisco, CA on Wednesday, March 2, 2016. Zendesk’s presentation is scheduled for 3:30 p.m. Pacific Time.

A live webcast of each presentation, and an archived version available for six months, will be accessible by visiting Zendesk’s investor website at investor.zendesk.com.

About Zendesk:

Zendesk provides a customer service platform designed to bring organizations and their customers closer together. With more than 69,000 paid customer accounts, Zendesk’s products are used by organizations in 150 countries and territories to provide support in more than 40 languages. Founded in 2007 and headquartered in San Francisco, Zendesk has operations in the United States, Europe, Asia, Australia and South America. Learn more at www.zendesk.com