Company: APPN
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0001441683-25-000031
Chunk: 6

Company: APPIAN CORP
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 6
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 on those matters in accordance with their best judgment.

#### How do I vote?
You may either vote “For” any or all of the proposed nominees to the Board or you may “Withhold” your vote for any nominee you specify. Proxies cannot be voted for a greater number of persons than the nominees named in this Proxy Statement. For each of the other matters to be voted on, you may vote “For” or “Against” or abstain from voting.

Stockholder of Record: Shares Registered in Your Name

If you are a stockholder of record, you may vote at the Annual Meeting or vote by proxy. Whether or not you plan to participate in the Annual Meeting, we urge you to vote by proxy over the Internet, by telephone, or by mail as instructed below to ensure your vote is counted. You may still attend the Annual Meeting via the Internet and vote during the Annual Meeting even if you have already voted by proxy.

#### Vote by Internet
Before the Annual Meeting

To vote through the Internet before the Annual Meeting, go to www.proxyvote.com to complete an electronic proxy card. Have your notice in hand when you access the website and then follow the instructions. If you choose to vote through the Internet before the Annual Meeting, your vote must be received by 11:59 p.m. Eastern Time on June 3, 2025, the day before the Annual Meeting, to be counted.

During the Annual Meeting

You may attend the Annual Meeting via the Internet and vote during the Annual Meeting. The Annual Meeting can be accessed by visiting www.virtualshareholdermeeting.com/APPN2025 and entering your 16-digit control number which is included in the notice that will be mailed to you. Have your notice in hand when you access the website and then follow the instructions.

#### Vote by Telephone
To vote over the telephone, dial toll-free 1-800-690-6903 using a touch-tone phone and follow the recorded instructions. You will be asked to provide the company number and control number from the Notice. Your telephone vote must be received by 11:59 p.m. Eastern Time on June 3, 2025, the day before the Annual Meeting, to be counted. Have your notice in hand when you call.

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#### Vote by Mail
To vote using the proxy card, simply complete, sign, and date the proxy card that may be delivered and return it promptly in the envelope provided. If you return your signed proxy card to