Press release

Slack Announces Investor Day

Sponsored by Businesswire

Slack Technologies, Inc. today announced that it will hold an Investor
Day on May 13, 2019 at 9:30 a.m. ET. A live webcast will be accessible

The session will be held in connection with Slack’s registration
statement on Form S-1 filed with the U.S. Securities and Exchange
Commission relating to the proposed public listing of its Class A common

Copies of the prospectus relating to the registration statement, when
available, may be obtained from Slack Technologies, Inc. c/o Investor
Relations, 500 Howard Street, San Francisco, California 94105, or by
email at

A registration statement relating to these securities has been filed
with the Securities and Exchange Commission but has not yet become
effective. These securities may not be sold nor may offers to buy be
accepted prior to the time the registration statement becomes effective.
This press release shall not constitute an offer to sell or the
solicitation of an offer to buy these securities, nor shall there be any
sale of these securities in any state or jurisdiction in which such
offer, solicitation or sale would be unlawful prior to registration or
qualification under the securities laws of any such state or

About Slack

Slack is where work happens. Slack is a new layer of the business
technology stack that brings together people, applications and data – a
hub for collaboration where people can effectively work together, access
critical applications and services, and find important information to do
their best work. People around the world use Slack to connect their
teams, unify their systems and drive their business forward.