AmerUs Group Co. Announces Extension of Cash Tender Offer and

Consent Solicitation for Its 6.583% Senior Notes Due 2011 
DES MOINES, Iowa--(BUSINESS WIRE)--January 03, 2007
AmerUs Group Co. ("Company") announced today that it has extended
the offer expiration date with respect to its previously announced
cash tender offer and consent solicitation for any and all of its
outstanding 6.583% Senior Notes due 2011 (CUSIP Number 03072M504) (the
"2011 Notes") to 5 p.m., New York City time, on January 3, 2007
("Offer Expiration Date"), unless terminated or further extended. The
tender offer was previously scheduled to expire at 5 p.m., New York
City time, on Tuesday, January 2, 2007, and has been extended because
of the closing of the Securities and Exchange Commission and all other
government departments and agencies on January 2, 2007 out of respect
for former President Gerald Ford. 
Pursuant to the terms of the Company's Offer to Purchase and
Consent Solicitation Statement and related Consent and Letter of
Transmittal, each dated November 28, 2006 (as modified to the date
hereof, the "Offer to Purchase"), holders of 2011 Notes who tender on
or prior to the Offer Expiration Date are entitled to receive
$1,048.93 for each $1,000 of 2011 Notes tendered if such notes are
accepted for purchase by the Company. In addition, payments for 2011
Notes purchased by the Company will include accrued interest from and
including the last interest payment date to but excluding the
settlement date for such notes. The settlement date with respect to
those 2011 Notes tendered on or prior to the Offer Expiration Date is
expected to be one business day following the Offer Expiration Date
(January 4, 2007). 
The tender offer and consent solicitation with respect to the 2011
Notes are being made upon the terms, and subject to the conditions,
set forth in the Offer to Purchase, which more fully sets forth the
terms of the tender offer and consent solicitation. Except for the
extension of the expiration date, all other terms, conditions and
provisions of the tender offer remain effective. 
For additional information regarding the terms of the tender offer
and consent solicitation, please contact: Citigroup Global Markets,
Inc. at (800) 558-3745 (toll free). Requests for documents and
questions regarding the tendering of notes may be directed to Global
Bondholder Services Corporation at (866) 470-4200 (toll free) or (212)
430-3774 (collect). 
AmerUs Group Co.'s obligations to accept any 2011 Notes tendered
and to pay the applicable consideration for them are set forth solely
in the Offer to Purchase. This press release is not an offer to
purchase or a solicitation of acceptance of the tender offer. The
Company may amend, extend or, subject to certain conditions, terminate
the tender offer. 
Forward-looking statements 
Certain statements contained in this press release, including
statements that are not historical facts, may be forward-looking
statements. These forward-looking statements may include information
about possible or assumed future events and usually contain words such
as: believes, may, anticipates, intends, expects, estimates, and other
similar expressions. Such statements involve certain risks,
uncertainties and assumptions that may change at any time. Therefore,
actual results may differ materially from expected results due to a
variety of factors, some of which are set forth in Item 1A. Risk
Factors contained in the Company's Annual Report on Form 10-K for the
year ended December 31, 2005, as updated by Item 1A. Risk Factors
contained in the Company's Forms 10-Q for the periods ended March 31,
2006, June 30, 2006 and September 30, 2006. In the light of these
risks and uncertainties you are cautioned not to place undue reliance
on these forward-looking statements. The Company undertakes no
obligation to publicly update forward-looking statements, whether as a
result of new information, future events or otherwise. 
About AmerUs Group Co. 
The Company is a holding company whose subsidiaries are primarily
engaged in the business of marketing, underwriting and distributing a
broad range of individual life, annuity and insurance deposit products
to individuals and businesses in 50 states, the District of Columbia
and the U.S. Virgin Islands. 
On November 15, 2006, pursuant to an Agreement and Plan of Merger,
dated as of July 12, 2006, by and among Aviva plc ("Aviva"), a public
limited company organized under the laws of England and Wales, Libra
Acquisition Corporation ("Merger Sub"), an Iowa corporation and an
indirect wholly owned subsidiary of Aviva, and the Company, Merger Sub
merged with and into the Company, and the Company continued after the
Merger as an indirect wholly-owned subsidiary of Aviva. 
The Company's principal executive offices are located at 699
Walnut Street, Des Moines, Iowa 50309-3948, and its telephone number
is (515) 362-3600. For more information on AmerUs Group Co., visit the
website: www.amerus.com. 
CONTACT:
AmerUs Group
Christopher J. Littlefield, Executive Vice President
and General Counsel, 515-362-3658