Company: APPN
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0001441683-25-000031
Chunk: 9

Company: APPIAN CORP
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 9
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, you should follow the instructions provided by your broker or bank.

When are stockholder proposals and director nominations due for the 2026 Annual Meeting of Stockholders?

If you are interested in submitting a proposal for potential inclusion in the proxy statement for our 2026 Annual Meeting of Stockholders, you must follow the procedures outlined in Rule 14a-8 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). To be eligible for inclusion in the proxy statement, we must receive your stockholder proposal at the address noted below no later than December 25, 2025. However, if the 2026 Annual Meeting of Stockholders is held before May 5, 2026 or after July 4, 2026, then we must receive your stockholder proposal at the address noted below a reasonable time before we begin to print and mail our proxy materials for the 2026 Annual Meeting of Stockholders.

If you wish to present a proposal at the 2026 Annual Meeting of Stockholders but do not wish to have the proposal considered for inclusion in our proxy statement and proxy card, you must also give written notice at the address noted below. We must receive this required notice by the close of business on March 6, 2026 but no sooner than the close of business on February 4, 2026. However, if our 2026 Annual Meeting of Stockholders is held before May 5, 2026 or after July 4, 2026, then we must receive the required notice of a proposal or proposed director candidate no earlier than the close of business on the 120 th day prior to the 2026 Annual Meeting of Stockholders and no later than the close of business on the later of (1) the 90 th day prior to the 2026 Annual Meeting of Stockholders or (2) the tenth day following the date on which public disclosure was made of the date of the 2026 Annual Meeting of Stockholders.

Any proposals for the 2026 Annual Meeting of Stockholders should be sent to our headquarters: Appian Corporation, 7950 Jones Branch Drive, McLean, Virginia 22102, Attention: Secretary.

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#### What are “broker non-votes”?
As discussed above, when a beneficial owner of shares held in “street name” does not give instructions to the broker or nominee holding the shares as to how to vote on matters deemed to be “non-routine,” the