Zendesk Announces Date of Third Quarter 2016 Financial Results

October 11, 2016

SAN FRANCISCO – October 11, 2016 – Zendesk, Inc. (NYSE: ZEN) today announced that it will release financial results for the third fiscal quarter ended September 30, 2016, following the close of the U.S. markets on Tuesday, November 1, 2016. In conjunction with its earnings press release, the company will post a detailed shareholder letter to its Investor Relations website https://investor.zendesk.com.

Zendesk will host a conference call to answer questions at 2:00 p.m. Pacific Time, 5:00 p.m. Eastern Time, on Tuesday, November 1, 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 97287420. 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 97287420. The dial-in replay will be available until the end of day November 3, 2016. The webcast replay will be available for 12 months.

About Zendesk

Zendesk builds software for better customer relationships. It empowers organizations to improve customer engagement and better understand their customers. More than 81,000 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 https://www.zendesk.com.