Company: ACIW
Filing Date: 2025-04-21
Form Type: DEF 14A
Source: 0001193125-25-086263
Chunk: 3

Company: ACI WORLDWIDE, INC.
Filing Date: 2025-04-21
Form: DEF 14A
Chunk 3
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 If your shares are held in an account at a brokerage firm, bank, trust, or other similar organization, like the vast majority of our stockholders, you are considered the “beneficial owner” of shares held in “street name” and the Internet Availability Notice was forwarded to you by that organization. You will receive instructions from your broker, bank, trustee, or other nominee that must be followed in order for your broker, bank, trustee, or other nominee to vote your shares per your instructions. What am I voting on? There are three matters scheduled for a vote:

| • |     | Proposal No. 1. To elect the eight directors named in the accompanying proxy statement to our Board of Directors to hold office until the 2026 Annual Meeting of Stockholders; |

| • |     | Proposal No. 2. To ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for 2025; and |

| • |     | Proposal No. 3. To approve, on an advisory basis, named executive officer compensation. |

How do I vote? For Proposal No. 1, you may either vote “For”, vote “Against” or vote to “Abstain” with respect to each of the nominees for the Board of Directors. You may not vote your proxy “For” the election of any persons other than the eight named nominees. For all other matters to be voted on, you may vote “For” or “Against” or abstain from voting on the applicable proposal. Stockholder of Record: Shares Registered in Your Name If you are a stockholder of record, you may vote by proxy using a proxy card, vote by proxy on the Internet or by telephone as set forth in the Internet Availability Notice, or vote at the Annual Meeting. Regardless of whether you plan to attend the Annual Meeting via audio-only webcast, we urge you to vote by proxy to ensure your vote is counted. You may still attend the Annual Meeting and vote if you have already voted by proxy.

| • |     | To vote using the proxy card, complete, date and sign the proxy card and return it promptly in the envelope provided. If you return your signed proxy card to us before the Annual Meeting, we will vote your shares as you direct. |

| • |     | To vote on the Internet, please follow the instructions provided on your proxy card or the Internet Availability Notice. |

| • |     | To vote by telephone, please follow the instructions provided on