Company: APPN
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0001441683-25-000031
Chunk: 26

Company: APPIAN CORP
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 26
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| Audit fees(1)         |     | $                       | 2,414,510 |     | $ | 2,446,929 |
| Audit-related fees(2) |     |                         |    33,372 |     |   |    32,450 |
| Total fees            |     | $                       | 2,447,882 |     | $ | 2,479,379 |

(1) Includes fees billed for the fiscal year shown for professional services for the audit of our annual financial statements, the audit of the effectiveness of our internal controls over financial reporting pursuant to Section 404 of the Sarbanes-Oxley Act of 2002, the review of quarterly financial statements included in our quarterly reports on Form 10-Q, and statutory audits required internationally.

(2) Includes fees billed for professional services provided to us in connection with the annual audit of our employee benefit plan.

All fees described above were pre-approved by the Audit Committee in accordance with the pre-approval policy described below.

#### PRE-APPROVAL POLICIES AND PROCEDURES
The Audit Committee has adopted a policy and procedures for the pre-approval of audit and non-audit services rendered by the Company’s independent registered public accounting firm, BDO. The policy generally pre-approves specified services in the defined categories of audit services, audit-related services, and tax services up to specified amounts. Pre-approval may also be given as part of the Audit Committee’s approval of the scope of the engagement of the independent auditor or on an individual, explicit, case-by-case basis before the independent auditor is engaged to provide each service. The pre-approval of services may be delegated to one or more of the Audit Committee’s members, but the decision must be reported to the full Audit Committee at its next scheduled meeting.

### THE BOARD OF DIRECTORS RECOMMENDS

#### A VOTE IN FAVOR OF PROPOSAL NO. 2
#### .

<div align='center'>17</div>

#### PROPOSAL NO. 3

### ADVISORY VOTE ON NAMED EXECUTIVE OFFICER COMPENSATION
We are providing our stockholders with the opportunity to vote to approve, on an advisory basis, the compensation of our named executive officers as disclosed in this Proxy Statement in accordance with SEC rules and as required by the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”) and Section 14A of the Exchange Act. This