Exhibit 99.1


     Dave Henry Plans to Step Down as CFO of AMIS Holdings, Inc.


    POCATELLO, Idaho--(BUSINESS WIRE)--Feb. 22, 2007--AMIS Holdings,
Inc. (NASDAQ:AMIS), parent company of AMI Semiconductor, a leader in
the design and manufacture of integrated mixed-signal solutions, today
announced that Dave Henry, its chief financial officer, will be
leaving due to family reasons but has agreed to remain with the
company while it searches for his replacement. The Company has
actively begun the process to recruit a new chief financial officer.

    "Dave made significant contributions to our becoming a stand-alone
public company," said Christine King, chief executive officer. "Dave
developed a very strong finance organization with solid disclosure
processes and there are no issues regarding the integrity of our
financial statements. We thank him for his contributions and wish Dave
and his family all the best."

    "It is a difficult decision for me to leave AMI Semiconductor,"
stated Mr. Henry. "These past few years have been professionally
challenging and rewarding as we have transformed the finance
organization, strengthened the balance sheet and significantly
improved internal controls. From a personal standpoint, I need to find
an opportunity that will allow me to better align the interests of my
family with my career aspirations. I think AMI has tremendous
potential and I am confident in the future success of our plans to
increase gross margins and improve operating leverage. I wish my
colleagues at AMI all the best and thank them for their support and
collaboration over the past few years."

    About AMI Semiconductor

    AMI Semiconductor (AMIS) is a leader in the design and manufacture
of silicon solutions for the real world. As a widely recognized
innovator in state-of-the-art integrated mixed-signal and structured
digital products, AMIS is committed to providing customers with the
optimal value, quickest time-to-market semiconductor solutions.
Offering unparalleled manufacturing flexibility and dedication to
customer service, AMI Semiconductor operates globally with
headquarters in Pocatello, Idaho, European corporate offices in
Oudenaarde, Belgium, and a network of sales and design centers located
in the key markets of North America, Europe and the Asia Pacific
region.

    Forward Looking Statements

    Statements in this press release other than statements of
historical fact are "forward-looking" statements within the meaning of
the Private Securities Litigation Reform Act of 1995. These
forward-looking statements include Mr. Henry's plans to step down, his
intention to remain with the company while it searches for his
replacement and the Company's plans to increase gross margins and
improve operating leverage. These forward-looking statements involve
risks and uncertainties that could cause the actual results to differ
materially from those anticipated by these forward-looking statements.
These risks include failure to properly execute on the anticipated
restructuring plan, failure to operate our manufacturing facilities on
a cost-effective basis and in a manner that avoids manufacturing
defects and unnecessary scrap, the availability of required capacity
at our key subcontractors, manufacturing underutilization, changes in
the conditions affecting our target markets, fluctuations in customer
demand, timing and success of new products, competitive conditions in
the semiconductor industry, failure to successfully integrate the
recently-acquired Flextronics, Starkey and NanoAmp businesses, loss of
key personnel, general economic and political uncertainty, conditions
in the semiconductor industry, exchange rate and hedging risks and
other risks and uncertainties that we identified in reports filed from
time to time with the Securities and Exchange Commission, including
our most recent Quarterly Report on Form 10-Q and Annual Report on
Form 10-K. We do not intend to revise or update any forward-looking
statements to reflect events or circumstances after the date of this
press release.

    CONTACT: AMI Semiconductor
             Investor Relations:
             Wade Olsen, 208-234-6045
             E-Mail: wade_olsen@amis.com
             Media Relations:
             Tamera Drake, 208-234-6890
             E-Mail: tamera_drake@amis.com