Zendesk Announces Date of First Quarter 2016 Financial Results

April 6, 2016

SAN FRANCISCO, CA – April 6, 2016 – Zendesk, Inc. (NYSE: ZEN) today announced that it will release financial results for the first fiscal quarter ended March 31, 2016, following the close of the U.S. markets on Tuesday, May 3, 2016.

This quarter, Zendesk will introduce a new approach and format for its quarterly earnings announcement and conference call. In conjunction with its earnings press release, the company will post a detailed shareholder letter to its Investor Relations website https://investor.zendesk.com. The letter will provide commentary from the senior management team regarding the company’s financial and operational performance, and the conference call will focus on answering questions about the results.

Zendesk will host a conference call to answer questions at 2:00 p.m. Pacific Time, 5:00 p.m. Eastern Time, on Tuesday, May 3, 2016. A live webcast of the conference call will be available at https://investor.zendesk.com. The conference call can also be accessed by dialing 877-201-0168, or +1 647-788-4901 (outside the U.S. and Canada). The conference ID is 85341528. A replay of the call via webcast will be available at https://investor.zendesk.com or by dialing 855-859-2056 or +1 404-537-3406 (outside the U.S. and Canada) and entering passcode 85341528. The dial-in replay will be available until the end of day May 5, 2016. The webcast replay will be available for 12 months.

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.