APPIAN CORP — Director's Dealing 2023

May 9, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: APPIAN CORP (APPN)
CIK: 0001441683
Period of Report: 2023-05-05

Reporting Person: Zamudio-Ramirez Pavel (Chief Customer Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-05	Class A Common Stock	M	4299	—	Acquired	13301	Direct
2023-05-05	Class A Common Stock	M	588	—	Acquired	13889	Direct
2023-05-05	Class A Common Stock	F	1694	$33.96	Disposed	12195	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-05-05	Restricted Stock Unit	$	M	4299	Disposed		Class A Common Stock (4299.0)	Direct
2023-05-05	Restricted Stock Unit	$	M	588	Disposed		Class A Common Stock (588.0)	Direct

Footnotes

F1: Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

F2: Includes 136,129, 120 and 146 shares acquired on 2/1/23, 3/1/23, 4/3/23 and 5/323, respectively, under the Appian Corporation Employee Stock Purchase Plan.

F3: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F4: The RSUs were granted on May 5, 2020, and vest in three equal installments on each of May 5, 2023, May 5, 2024, and May 5, 2025, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

F5: The RSUs were granted on May 4, 2021, and vest in four equal annual installments commencing on May 5, 2022, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.