UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934

March 14, 2006

Date of Report (date of earliest event reported)

ADVENT SOFTWARE, INC.

(Exact name of Registrant as specified in its charter)

State of Delaware	0-26994	94-2901952
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification Number)

301 Brannan Street
San Francisco, California 94107

(Address of principal executive offices)

(415) 543-7696

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 4d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS

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ITEM 1.01 Entry into a Material Definitive Agreement

On March 14, 2006, the Registrant’s Compensation Committee approved an Executive Severance Plan (the “Plan”) which applies to the President and CEO and executive-level direct reports of the CEO (the “Executives”).  Under the Plan, in the event an Executive’s employment is terminated other than voluntarily or for cause, the Executive shall be entitled to receive severance pay, Company health coverage, and option acceleration on the terms and in the amounts set forth in such agreements.  Severance amounts range, depending on the circumstances of the termination, up to twelve months of severance pay and Company health coverage and up to thirty months of option acceleration upon change of control.

A copy of the Plan will be filed with the Company’s Annual Report on Form 10-K for the year ended December 31, 2005.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

	ADVENT SOFTWARE, INC.
	By:	/s/ Graham V. Smith
		Graham V. Smith
		Executive Vice President,
		Chief Financial Officer and Secretary
		(Principal Financial and Accounting Officer)
Dated: March 20, 2006

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