ACI WORLDWIDE, INC. — Director's Dealing 2012

May 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACI WORLDWIDE, INC. (ACIW)
CIK: 0000935036
Period of Report: 2012-05-10

Reporting Person: LINBERG CHARLES H (VP & Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-10	Common Stock	M	20000	$10.28	Acquired	44618	Direct
2012-05-10	Common Stock	S	20000	$38.4621	Disposed	24618	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-10	Non-Qualified Stock Option (right to buy)	$10.28	M	20000	Disposed	2012-05-13	Common Stock (20000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	600	Indirect

Footnotes

F1: The sale price ranged from $38.40 to $38.61, with a weighted average sale price of $38.462053. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2: Shares held by the Sharon M. Linberg Trust. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership of the shares held in this trust, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other person.

F3: The options were granted pursuant to the ACI Worldwide, Inc. 1999 Stock Option Plan, as amended. The options vested pro rata on an annual basis over a three-year period with the first intallment becoming exercisable one year after the grant date. All options that were exercised were vested prior to exercise.