Zscaler, Inc.

Item 7.01 Regulation FD Disclosure. Zscaler, Inc. (the “Company”) will make a presentation to securities analysts and members of the public at 8:30 a.m. Eastern Time on October 6, 2026. During the presentation, the Company’s management will discuss, among other matters, its strategy, platform innovation, go-to-market priorities, and long-term growth drivers. The presentation will be made available to the public as a live webcast and a replay will be available on the Company’s Investor Relations website. The Company also issued a press release on October 6, 2026 summarizing the presentation and reaffirmed its guidance for first quarter and fiscal year 2027. A copy of the Company's press release announcing these matters is attached hereto as Exhibit 99.1. The information in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing.