<div style="margin-bottom: 10px;">
                      <a href=https://www.sec.gov/Archives/edgar/data/935036/000093503623000009/aciw-20221231.htm>Download 10-K Annual Report</a>
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XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT

XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT

XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT

XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

ACI Worldwide Inc

ACI Worldwide Leading Global Digital Payments
Current Analysis:
ACI Worldwide executed $14tn/day in payments and securities in 2020. ACI also saw strong growth in licensing new systems to customers with high transaction volume. ACI recognizes the industry's technical inflection point and has invested in product enablement and optimization onto Microsoft Azure.

Forward-Looking Analysis:
ACI Worldwide is poised to benefit from the digitalization of cash, IoT, eCommerce and IoT driving consumer and business demand for real-time delivery. Further, the expansion of cloud technology, increased urgency for industry-wide collaboration against fraud, and growing need for secure messaging between billing and payment services all show promising growth potential for ACI’s platform-based software solutions.

Announcement: ACIW 10-K Annual Report

<div style="margin-bottom: 10px;">
                      <a href=https://www.sec.gov/Archives/edgar/data/935036/000093503623000006/aciw-20230301.htm>Download 8-K Special Filing Report</a>
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Form 8-K - Current report - Item 2.02 Item 7.01 Item 8.01 Item 9.01

Announcement: ACIW 8-K Special Filing

<div style="margin-bottom: 10px;">
                      <a href=https://www.sec.gov/Archives/edgar/data/935036/000119312523041974/d399220d8k.htm>Download 8-K Special Filing Report</a>
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XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE

<div style="margin-bottom: 10px;">
                      <a href=https://www.sec.gov/Archives/edgar/data/102909/000110465923015194/tv0156-aciworldwideinc.htm>Download SC 13G/A Special Filing</a>
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                      <a href=https://www.sec.gov/Archives/edgar/data/935036/000110465923015194/0001104659-23-015194-index.htm>Original filing index</a>
                    </div>

Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]

Announcement: ACIW SC 13G/A Statement of acquisition of beneficial ownership by individuals - amendment

<div style="margin-bottom: 10px;">
                      <a href=https://www.sec.gov/Archives/edgar/data/935036/000102387523000001/aciw22a1.htm>Download SC 13G/A Special Filing</a>
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<div style="margin-bottom: 10px;">
                          <a href=https://www.sec.gov/Archives/edgar/data/935036/000119312522294298/d425720d8k.htm>Download 8-K Special Filing Report</a>
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                          <a href=https://www.sec.gov/Archives/edgar/data/935036/000119312522294298/0001193125-22-294298-index.htm>Original filing index</a>
                        </div>