Zendesk to Hold Annual Analyst & Investor Day on May 15, 2017

SAN FRANCISCO – March 15, 2017 – Zendesk, Inc. (NYSE: ZEN) today announced
that it will hold its annual Analyst & Investor Day on May 15, 2017 at its headquarters in San Francisco, California.

Zendesk’s Analyst & Investor Day will be available via live webcast beginning at 1:00 p.m. Pacific Time, and an archive version will be available for six months. Both will be accessible by visiting Zendesk’s investor website atinvestor.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 94,000 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 atwww.ying8.net.