Exhibit 99.1

Designated Filer:	Insight Holdings Group, LLC
Issuer & Ticker Symbol:	Alteryx, Inc. [AYX]
Date of Event Requiring Statement:	June 12, 2019

EXPLANATION OF RESPONSES

(1) 13,139 shares of Class A Common Stock of the Issuer are owned by JPH DE Trust Holdings LLC, 45,928 shares of Class A Common Stock of the Issuer are owned by JPH Fund VIII LLC and 334,022 shares of Class A Common Stock of the Issuer are owned by JPH Private Investments LLC. The reporting person controls each of JPH DE Trust Holdings LLC, JPH Fund VIII LLC and JPH Private Investments LLC. By reason of the provisions of Rule 16a-1 under the Securities Exchange Act of 1934, as amended, the reporting person may be deemed to be the beneficial owner of the securities owned by each of JPH DE Trust Holdings LLC, JPH Fund VIII LLC and JPH Private Investments LLC. This amendment is being filed to correct an inadvertent typographical error in the number of shares held by JPH Private Investments LLC in the original filing’s Explanation of Responses. This amendment corrects that number in this Explanation of Responses. The amount of Class A Common Stock listed in Table 1 was correct in the original filing and remains unchanged in this amendment.