ACI WORLDWIDE, INC. — Director's Dealing 2012

Feb 28, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACI WORLDWIDE, INC. (ACIW)
CIK: 0000935036
Period of Report: 2012-02-24

Reporting Person: BYRNES DENNIS (EVP, CAO,General Counsel & Sec)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-24	Common Stock	M	8188	$10.24	Acquired	51456	Direct
2012-02-24	Common Stock	S	8188	$40.312	Disposed	43268	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-24	Non-Qualified Stock Option (right to buy)	$10.24	M	8188	Disposed	2013-07-15	Common Stock (8188)	Direct

Footnotes

F1: The sale price ranged from $40.30 to $40.325, with a weighted average sale price of $40.311969. 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: The options vested in equal annual installments over a four year period which commenced with the first anniversary of the date of grant. The options reported as exercised herin were vested prior to exercise.