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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934
Filed by the Registrant þ
Filed by a Party other than the Registrant o
Check the appropriate box:
o   Preliminary Proxy Statement
 
o   Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
 
þ   Definitive Proxy Statement
 
o   Definitive Additional Materials
 
o   Soliciting Material Pursuant to §240.14a-12
ULTRA CLEAN HOLDINGS, INC.
 
(Name of Registrant as Specified In Its Charter)

 
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
Payment of Filing Fee (Check the appropriate box):
þ   No fee required.
 
o   Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
  1)   Title of each class of securities to which transaction applies:
       
 
  2)   Aggregate number of securities to which transaction applies:
       
 
  3)   Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
       
 
  4)   Proposed maximum aggregate value of transaction:
       
 
  5)   Total fee paid:
       
o   Fee paid previously with preliminary materials.
 
o   Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
  1)   Amount Previously Paid:
       
 
  2)   Form, Schedule or Registration Statement No.:
       
 
  3)   Filing Party:
       
 
  4)   Date Filed:
       


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(LOGO)
 
ULTRA CLEAN HOLDINGS, INC.
150 Independence Drive
Menlo Park, CA 94025
 
NOTICE OF 2007 ANNUAL MEETING OF STOCKHOLDERS OF
ULTRA CLEAN HOLDINGS, INC.
 
Date: May 31, 2007
 
Time: Doors open at 1:30 p.m. Pacific time, Meeting begins at 2:00 p.m. Pacific time
 
Place: Davis Polk & Wardwell, 1600 El Camino Real Menlo Park, CA 94025
 
Purposes: • Elect our directors
 
• Ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm
 
• Conduct other business that may properly come before the annual meeting or any adjournment or postponement thereof
 
Who Can Vote: April 18, 2007 is the record date for voting. Only stockholders of record at the close of business on that date may vote at the annual meeting or any adjournment thereof.
 
All stockholders are cordially invited to attend the meeting. At the meeting you will hear a report on our business and have a chance to meet some of our directors and executive officers.
 
Whether you expect to attend the meeting or not, please complete, sign, date and promptly return the enclosed proxy card in the postage-prepaid envelope we have provided. You may change your vote and revoke your proxy at any time before the polls close at the meeting by following the procedures described in the accompanying proxy statement.
 
Sincerely,
 
-s- Jack Sexton
 
Jack Sexton
Vice President, Chief Financial Officer and Secretary
 
Menlo Park, California
April 30, 2007


 

ULTRA CLEAN HOLDINGS, INC.
 
2007 ANNUAL MEETING OF STOCKHOLDERS
NOTICE OF ANNUAL MEETING AND PROXY STATEMENT
 
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(LOGO)
 
ULTRA CLEAN HOLDINGS, INC.
150 Independence Drive
Menlo Park, CA 94025
 
PROXY STATEMENT FOR 2007 ANNUAL MEETING OF STOCKHOLDERS
 
May 31, 2007
 
INFORMATION CONCERNING SOLICITATION AND VOTING
 
Your vote is very important. For this reason our Board of Directors is requesting that you permit your shares of common stock to be represented at our 2007 Annual Meeting of Stockholders by the proxies named on the enclosed proxy card. This proxy statement contains important information for you to consider in deciding how to vote on the matters brought before the meeting.
 
General Information
 
Ultra Clean Holdings, Inc., referred to in this proxy statement as Ultra Clean, the Company or we, is soliciting the enclosed proxy for use at our Annual Meeting of Stockholders to be held on May 31, 2007 at 2:00 p.m., Pacific time or at any adjournment thereof for the purposes set forth in this proxy statement. Our annual meeting will be held at the offices of Davis Polk & Wardwell, 1600 El Camino Real, Menlo Park, California 94025.
 
This proxy statement and the enclosed proxy card will be mailed on or before May 4, 2007 to all stockholders entitled to vote at the meeting.
 
Who May Vote at Our Annual Meeting
 
All holders of our common stock, as reflected in our records at the close of business on April 18, 2007, the record date for voting, may vote at the meeting.
 
Each share of common stock that you owned on the record date entitles you to one vote on each matter properly brought before the meeting. As of the record date, there were issued and outstanding 21,197,396 shares of our common stock, $0.001 par value.
 
Holding Shares as a “Beneficial Owner” (or in “Street Name”)
 
Most stockholders are considered the “beneficial owners” of their shares, that is, they hold their shares through a broker, bank or nominee rather than directly in their own names. As summarized below, there are some distinctions between shares held of record and those owned beneficially or in “street name”.
 
Stockholder of Record.  If your shares are registered directly in your name with our transfer agent, you are considered the stockholder of record with respect to those shares. If you are a stockholder of record, we are sending these proxy materials directly to you. As our stockholder of record, you have the right to grant your voting proxy directly to us or to vote in person at the annual meeting. We have enclosed a proxy card for your vote.
 
Beneficial Owner.  If your shares are held in a stock brokerage account or by a bank or nominee, you are considered the beneficial owner of shares held in street name, and these proxy materials are being forwarded to you by your broker, bank, or nominee (who is considered the stockholder of record with respect to those shares). As the beneficial owner, you have the right to direct your broker, bank, or nominee how to vote if you follow the instructions you receive from your broker, bank, or nominee. You are also invited to attend the annual meeting. However, since you are not the stockholder of record, you may not vote these shares in person at the annual meeting


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unless you bring to the meeting an account statement or letter from the nominee stating that you beneficially owned the shares on April 18, 2007, the record date for voting.
 
How to Vote
 
You may vote in person at the meeting or by proxy. All valid proxies properly executed and received by us prior to or at the meeting will be voted in accordance with the instructions they contain. We recommend that you vote by proxy even if you plan to attend the meeting. You may change your vote at the meeting even if you have previously submitted a proxy.
 
How Proxies Work
 
This proxy statement is furnished in connection with the solicitation of proxies by Ultra Clean for use at the annual meeting and at any adjournment of that meeting. If you give us your proxy you authorize us to vote your shares at the meeting in the manner you direct. You may vote for all, some or none of our director candidates. You may also vote for or against the other proposals, or you may abstain from voting.
 
If you give us your proxy but do not specify how your shares shall be voted on a particular matter, your shares will be voted FOR the election of each of the named nominees for director, FOR the ratification of the appointment of Deloitte & Touche LLP as our independent registered public accounting firm and, with respect to any other matter that may come before the annual meeting, as recommended by our Board of Directors or otherwise in the proxies’ discretion.
 
If you hold your shares in street name, your broker, bank or nominee will include a voting instruction card with this proxy statement. You should vote your shares by following the instructions provided on the voting instruction card. Your broker, bank or nominee may provide instructions for voting by telephone or over the Internet.
 
Changing Your Vote
 
You have the right to revoke your previously submitted proxy at any time before the polls close at the annual meeting.
 
If you are a stockholder of record, you may revoke your proxy before it is voted by:
 
  •  submitting a new proxy with a date later than the date of your previously submitted proxy;
 
  •  notifying our Secretary in writing before the meeting that you wish to revoke your previously submitted proxy; or
 
  •  voting in person at the meeting.
 
If you are a beneficial owner and your shares are held in the name of your broker, bank or nominee and you wish to revoke your previously submitted proxy, you should follow the instructions provided to you by your broker, bank or nominee. You may also revoke your proxy by voting in person at the meeting, provided you comply with the requirements indicated below.
 
Important Notice Regarding Delivery of Stockholder Documents
 
Only one proxy statement and set of accompanying materials is being delivered by us to multiple stockholders sharing an address until we receive contrary instructions from one or more of the stockholders. We will deliver, promptly upon written or oral request, a separate copy of the proxy statement and accompanying materials to a stockholder at a shared address to which a single copy of the documents was delivered. A stockholder who wishes to receive a separate copy of the proxy statement and accompanying materials now or in the future, or stockholders sharing an address who are receiving multiple copies of proxy materials and wish to receive a single copy of such materials, should submit a written request to us at the address on page 5.


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Attending in Person
 
Any stockholder of record may vote in person. All meeting attendees will be required to present a valid, government-issued photo identification, such as a driver’s license or passport, in order to enter the meeting.
 
If you are a beneficial owner and your shares are held in the name of your broker, bank or nominee, you must bring to the meeting an account statement or letter from the nominee indicating that you beneficially owned the shares at the close of business on April 18, 2007, the record date for voting.
 
Votes Needed to Hold the Meeting and Approve Proposals
 
In order to carry on the business of the annual meeting, stockholders entitled to cast a majority of the votes at a meeting of stockholders must be represented at the meeting, either in person or by proxy. In accordance with Delaware law, only votes cast “for” a matter constitute affirmative votes. A properly executed proxy marked “abstain” with respect to any matter will not be voted, although it will be counted for purposes of determining whether there is a quorum. Since abstentions will not be votes cast for a particular proposal, they will have the same effect as negative votes or votes against that proposal. Broker non-votes are also counted for the purpose of determining the presence of a quorum. Broker non-votes occur when shares held by a broker on behalf of a beneficial owner are not voted with respect to a particular proposal, which generally occurs when the broker has not received voting instructions from the beneficial owner and lacks the discretionary authority to vote the shares itself. We believe that the election of directors and ratification of our independent registered public accounting firm are considered routine proposals for which brokerage firms may vote shares held on behalf of beneficial owners who have not voted with respect to the particular proposal.
 
The election of directors requires a plurality of the votes cast “for” the election of directors. “Plurality” means that the seven nominees who receive the highest number of votes will be elected as directors. In the election of directors, votes may be cast in favor of or withheld from any or all nominees. The affirmative vote of the holders of a majority of the shares of common stock present in person or represented by proxy and entitled to vote on the item will be required to ratify the appointment of our independent registered public accounting firm for the current fiscal year. Approval of any other matter properly submitted to the stockholders at the annual meeting generally will require the affirmative vote of the holders of a majority of the shares of common stock present in person or represented by proxy and entitled to vote on that matter.
 
Security Ownership of Certain Beneficial Owners and Management
 
The table below sets forth information as of March 31, 2007 regarding the beneficial ownership (as defined by Rule 13d-3(d)(1) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) of our common stock by:
 
  •  each person or group known by us to own beneficially more than five percent of our common stock;
 
  •  each of our directors and named executive officers individually; and
 
  •  all directors and officers as a group.
 
In accordance with applicable rules of the Securities and Exchange Commission rules, beneficial ownership includes voting or investment power with respect to securities and includes the shares issuable pursuant to stock options that are exercisable within 60 days of March 31, 2007. Shares issuable pursuant to stock options are deemed outstanding for the purpose of computing the ownership percentage of the person holding such options but are not deemed outstanding for computing the ownership percentage of any other person. The percentage of beneficial ownership for the following table is based on 21,187,946 shares of common stock outstanding as of March 31, 2007.
 
Unless otherwise indicated, the address of each of the named individuals is c/o Ultra Clean Holdings, Inc., 150 Independence Drive, Menlo Park, California 94025. To our knowledge, except as indicated in the footnotes to this


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table and pursuant to applicable community property laws, the persons named in the table have sole voting and investment power with respect to all shares of common stock.
 
                 
    Shares Beneficially Owned  
Name and Address of Beneficial Owner
  Number     Percent  
 
Greater than 5% Stockholders
               
Wellington Management Company, LLP(1)
    1,580,500       7.5  
75 State Street
Boston, MA 02109
               
Bear Stearns Asset Management Inc.(2)
    1,483,814       7.0  
383 Madison Avenue
New York, NY 10179
               
Named Executive Officers and Directors
               
Clarence L. Granger(3)
    760,302       3.5  
Leonid Mezhvinsky(4)
    1,883,390       8.9  
Jack Sexton(5)
    76,562       *  
Deborah Hayward(6)
    96,312       *  
Sowmya Krishnan Ph.D.(7)
    76,241       *  
Bruce Wier(8)
    152,783       *  
Brian R. Bachman(5)
    15,625       *  
Susan H. Billat(5)
    15,625       *  
Dipanjan Deb(5)
    11,875       *  
Kevin C. Eichler(5)
    15,625       *  
David ibnAle(5)
    11,875       *  
Thomas M. Rohrs(9)
    31,432       *  
All named executive officers and directors as a group (12 persons)(10)
    3,147,647       14.2  
 
 
Less than 1%.
 
(1) Based on a Schedule 13G filed with the Securities and Exchange Commission (“SEC”) on February 14, 2007. The securities as to which this Schedule 13G was filed by Wellington Management, in its capacity as investment adviser, are owned of record by clients of Wellington Management. Those clients have the right to receive, or the power to direct the receipt of, dividends from, or the proceeds from the sale of, such securities. No such client is known to have such right or power with respect to more than five percent of this class of securities.
 
(2) Based on a Schedule 13G filed with the SEC on February 9, 2007.
 
(3) Includes 497,157 shares subject to common stock options exercisable within 60 days of March 31, 2007.
 
(4) Represents shares indirectly owned through the revocable trust of Leonid and Inna Mezhvinsky, dated April 26, 1988.
 
(5) Represents shares subject to common stock options that are exercisable within 60 days of March 31, 2007.
 
(6) Includes 94,061 shares subject to common stock options exercisable within 60 days of March 31, 2007.
 
(7) Includes 57,291 shares subject to common stock options exercisable within 60 days of March 31, 2007.
 
(8) Includes 99,708 shares subject to common stock options exercisable within 60 days of March 31, 2007.
 
(9) Includes 31,432 shares subject to common stock options exercisable within 60 days of March 31, 2007.
 
(10) Includes 926,836 shares subject to common stock options exercisable within 60 days of March 31, 2006.
 
At the close of business on April 18, 2007, the record date, we had 21,197,396 shares of common stock outstanding. Each share of our common stock is entitled to one vote on all matters properly submitted for stockholder vote.


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Section 16(a) Beneficial Ownership Reporting Compliance
 
Section 16(a) requires our directors and executive officers and beneficial holders of 10% or more of a registered class of our equity securities to file certain reports with the Securities and Exchange Commission (the “SEC”) regarding ownership of, and transactions in, our equity securities. We have reviewed copies of the reports we received and written representations from the individuals required to file the reports.
 
Based solely on our review of such reports and representations, except as described in the following paragraph, we believe that all of our directors, executive officers and beneficial holders of 10% or more of a registered class of our equity securities filed, on a timely basis, all reports required by Section 16(a) of the Exchange Act for the year ended December 31, 2006 and the quarter ended March 31, 2007.
 
The following is a list of all reports that we are aware were not filed on a timely basis:
 
  •  Form 4 related to disposition of 2,000 shares of our common stock by Clarence L. Granger on February 2, 2007 was filed one day late.
 
  •  Form 4s for former Sieger Engineering, Inc. (“Sieger”) stockholders related to the November 2006 distribution of 127,486 additional shares of our common stock to them as part of the merger consideration in connection with the merger of Sieger and one of our subsidiaries on June 29, 2006, were filed in March 2007.
 
  •  Form 4 for the disposition of 74,728 shares of our common stock by FP-Ultra Clean, L.L.C on February 16, 2007 was filed one day late.
 
Cost Of Proxy Solicitation
 
We will pay the cost of this proxy solicitation. Some of our employees may also solicit proxies, without any additional compensation. We may also reimburse banks, brokerage firms and nominees for their expenses in forwarding proxy materials to their customers who are beneficial owners of our common stock and obtaining their voting instructions.
 
Deadline for Receipt of Stockholder Proposals for the 2008 Annual Meeting
 
If you wish to submit a proposal for inclusion in the proxy statement for our 2008 Annual Meeting of Stockholders, you must follow the procedures outlined in Rule 14a-8 of the Exchange Act and we must receive your proposal at the address below no later than January 5, 2008. If you wish to submit a proposal for consideration at the 2008 annual meeting but do not wish to have it included in the proxy materials, you must give us notice at the address below and we must receive your notice no later than March 20, 2008.
 
Contacting Ultra Clean
 
If you have questions or would like more information about the annual meeting, you can contact us in either of the following ways:
 
  •  By telephone:  (650) 323-4100
 
  •  By writing      Secretary
Ultra Clean Holdings, Inc.
150 Independence Drive
Menlo Park, CA 94025


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PROPOSAL 1: ELECTION OF DIRECTORS
 
Our Board of Directors, at the recommendation of the Nominating and Corporate Governance Committee, has recommended for nomination the director candidates named below. All of these nominees currently serve as our directors. All of our directors are elected for one-year terms.
 
If a director nominee becomes unavailable before the election, your proxy authorizes the people named as proxies to vote for a replacement nominee if the Nominating and Corporate Governance Committee names one.
 
                 
        Director
Name
 
Age
 
Since
 
Brian R. Bachman
  62   2004
Susan H. Billat
  56   2004
Kevin C. Eichler
  47   2004
Clarence L. Granger
  58   2002
David T. ibnAle
  35   2002
Leonid Mezhvinsky
  53   2007
Thomas M. Rohrs
  56   2003
 
Set forth below is information about each of our nominees for director:
 
Clarence L. Granger has served as our Chairman & Chief Executive Officer since October 2006, as our Chief Executive Officer since November 2002, as Chief Operating Officer from March 1999 to November 2002 and as a member of our Board of Directors since May 2002. Mr. Granger served as our Executive Vice President and Chief Operating Officer from January 1998 to March 1999 and as our Executive Vice President of Operations from April 1996 to January 1998. Prior to joining Ultra Clean in April 1996, he served as Vice President of Media Operations for Seagate Technology from 1994 to 1996. Prior to that, Mr. Granger worked for HMT Technology as Chief Executive Officer from 1993 to 1994, as Chief Operating Officer from 1991 to 1993 and as President from 1989 to 1994. Prior to that, Mr. Granger worked for Xidex as Vice President and General Manager, Thin Film Disk Division, from 1988 to 1989, as Vice President, Santa Clara Oxide Disk Operations, from 1987 to 1988, as Vice President, U.S. Tape Operations, from 1986 to 1987 and as Director of Engineering from 1983 to 1986. Mr. Granger holds a master of science degree in industrial engineering from Stanford University and a bachelor of science degree in industrial engineering from the University of California at Berkeley.
 
Brian R. Bachman has served as a director of Ultra Clean since March 2004. Mr. Bachman is a private investor. Mr. Bachman was the Chief Executive Officer and Vice Chairman of Axcelis Technologies, Inc. from May 2000 to January 2002. Mr. Bachman is on the board of directors of Keithley Instruments, Inc. and Kulicke and Soffa Industries, Inc.
 
Susan H. Billat has served as a director of Ultra Clean since March 2004. Since 2002, Ms. Billat has been a Principal at Benchmark Strategies, which she founded in 1990. Prior to that, she was a Managing Director and Senior Research Analyst for semiconductor equipment and foundries at Robertson Stephens & Company from 1996 to 2002 and senior Vice President of Marketing for Ultratech Stepper from 1994 to 1996. Prior to 1994, Ms. Billat spent eight years in executive positions in the semiconductor equipment industry and twelve years in operations management, engineering management and process engineering in the semiconductor industry. Ms. Billat is on the board of directors of PDF Solutions, Inc. Ms. Billat holds bachelor and master of science degrees in physics from Georgia Tech and completed further graduate studies in electrical engineering and engineering management at Stanford University.
 
Kevin C. Eichler has served as a director of Ultra Clean since March 2004 and as our lead director since February 2007. Mr. Eichler is the Executive Vice President of Operations and Chief Financial Officer of MarketTools, Inc. Mr. Eichler served as the Vice President and Chief Financial Officer of MIPS Technologies, Inc. from June 1998 to February 2006. Prior to that, he was Vice President of Operations and Chief Financial Officer of Visigenic Software Inc. from 1996 to 1998, Executive Vice President of Finance and Chief Financial Officer of National Information Group from 1995 to 1996 and Executive Vice President of Finance and Chief Financial Officer of Mortgage Quality Management, Inc. from 1991 to 1995. Prior to 1991, Mr. Eichler held


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management positions with NeXT Software and Microsoft. Mr. Eichler is on the board of directors of SupportSoft, Inc. and Magma Design Automation, Inc. Mr. Eichler holds a bachelor of science degree in accounting from St. John’s University.
 
David T. ibnAle has served as a director of Ultra Clean since November 2002 and as our lead director from February 2005 to February 2007. Mr. ibnAle is a Partner of Francisco Partners where he focuses primarily on the firm’s investments in electronic components and systems, electronics manufacturing, semiconductor capital equipment, and other technology-related capital equipment. He has been an investment professional with Francisco Partners since December 1999. Prior to joining Francisco Partners, Mr. ibnAle was an investment professional with Summit Partners L.P., and prior to that he worked in the Corporate Finance Department of Morgan Stanley & Co. Mr. ibnAle currently serves on the board of directors of Electrical Components International, Metrologic Instruments, Vitronics-Soltec, and Universal Instruments. Mr. ibnAle holds an A.B. in public policy and an A.M. in international development policy from Stanford University and a masters degree in business administration from the Stanford University Graduate School of Business.
 
Leonid Mezhvinsky has served as our President since June 2006 following our acquisition of Sieger Engineering, Inc. and as a director since February 2007. He has more than two decades of management experience and in depth knowledge of machine shop, electro mechanical assemblies and system integration utilized in semiconductor, medical and biotech OEM products. Prior to joining Ultra Clean, Mr. Mezhvinsky was President and Chief Executive Officer of Sieger Engineering, Inc. which he joined in 1982. Mr. Mezhvinsky holds the equivalent of a bachelor of science in Industrial Automation from College of Industrial Automation, Odessa, Ukraine.
 
Thomas M. Rohrs has served as a director of Ultra Clean since January 2003. Mr. Rohrs is the Chairman of the Board of Directors and Chief Executive Officer of Electroglas, Inc. Mr. Rohrs also serves as an independent advisor to a number of companies and served as an independent advisor to Applied Materials, one of our largest customers, from August 2004 to April 2005. Mr. Rohrs served as Vice President, Strategic Development, of Applied Global Services, a division of Applied Materials, Inc., from October 2003 to August 2004. Prior to that, he was a senior advisor to Applied Materials, Inc. from May 2002 to September 2003 and Senior Vice President, Global Operations, at Applied Materials, Inc. from November 1997 to April 2002. Prior to that he was Vice President, Worldwide Operations, for Silicon Graphics from 1992 to 1997 and Senior Vice President, Manufacturing and Customer Service, at MIPS Computer Systems from 1989 to 1992. Prior to 1989, Mr. Rohrs was employed by Hewlett Packard in a number of managerial positions. Mr. Rohrs is on the Board of Directors of Magma Design Automation, Inc. and Advanced Energy Industries, Inc. Mr. Rohrs has a bachelor of science in mechanical engineering from the University of Notre Dame and a masters degree in business administration from Harvard Business School. He serves on the Engineering Advisory Council for the University of Notre Dame.
 
There are no family relationships among any of our directors and named executive officers.
 
Structure of Board of Directors and Corporate Governance Information
 
Director Independence.  We are required to comply with the director independence rules of the NASDAQ Stock Market (“NASDAQ”) and the SEC. These rules require that the board of directors of a listed company be composed of a majority of independent directors and that the audit committee, compensation committee and nominating and corporate governance committees be composed solely of independent directors. NASDAQ provides an exemption from these director independence rules for a “controlled company”, a company of which more than 50% of the voting power is held by an individual, group or other company. Prior to March 15, 2006, FP-Ultra Clean, L.L.C. owned approximately 55% of our outstanding common stock and, as a result, we were exempt from NASDAQ’s director independence rules. We have not been a “controlled company” since March 15, 2006. FP-Ultra Clean, L.L.C sold all of the shares of our common stock that it previously owned in February 2007. Under NASDAQ’s transition rules, we were required to and do comply with all NASDAQ and SEC director independence rules since March 15, 2007.


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Our Board of Directors has determined that Brian R. Bachman, Susan H. Billat, Kevin C. Eichler, David T. ibnAle and Thomas M. Rohrs are each independent in accordance with applicable NASDAQ and SEC rules. Accordingly, a majority of our Board of Directors is independent as required by NASDAQ rules.
 
Director Responsibilities.  We are governed by our Board of Directors and its various committees that meet throughout the year. Our Board of Directors currently consists of seven directors. During 2006, there were six meetings of our Board of Directors. We expect directors to attend and prepare for all meetings of the Board of Directors and the meetings of the committees on which they serve. During 2006, Mr. Dipanjan Deb attended less than 75% of the aggregate number of meetings of the Board of Directors and the committees on which he served. Mr. Deb resigned from our Board of Directors in February 2007. Each of our other directors attended more than 75% of the aggregate number of meetings of the Board of Directors and the committees on which they served.
 
Executive Sessions of the Independent Directors.  Our independent directors met in an executive session during each regularly scheduled meeting of the Board of Directors in 2006.
 
Chairman of the Board.  On October 26, 2006, Clarence L. Granger was appointed Chairman of the Board of Directors. The duties of the Chairman include: (i) presiding over all meeting of the Board of Directors, (ii) ensuring that the Board works as a cohesive team and providing the leadership essential to achieve this objective, (iii) ensuring that the Board has adequate resources in support of its work and that the Board is provided with the information it requires, (iv) setting the Board’s agenda in consultation with the lead director, and (v) meeting, from time to time, with the Corporate Governance and Nominating Committee to review the Board, Board Committees, Committee chairs and Board members’ performance and to discuss nominees and directors to be submitted to the Board for approval.
 
Lead Director.  On February 7, 2007, our Board of Directors appointed Kevin C. Eichler to serve as our lead director. The duties of the lead director include: (i) presiding over all meetings of non-executive independent directors, (ii) periodically providing the Chief Executive Officer input coming out of the independent directors’ meeting, (iii) approving the meeting agenda for meetings of the Board of Directors and (iv) approving meeting schedules to assure that there is sufficient time for discussion of all items. The lead director also has the authority to call meetings of the Board of Directors.
 
Corporate Governance.  Our Board of Directors has adopted corporate governance guidelines. These guidelines address items such as the qualifications and responsibilities of our directors and director candidates and the corporate governance policies and standards applicable to us in general. In addition, we have adopted a code of business conduct and ethics that applies to all officers, directors and employees. Our corporate governance guidelines and our code of business conduct and ethics as well as the charters of the Nominating and Corporate Governance Committee, Audit Committee and Compensation Committee are available on our website at http://www.uct.com/investors/governance.html.
 
Communicating with our Board of Directors.  Any stockholder wishing to communicate with our Board of Directors may send a letter to our Secretary at 150 Independence Drive, Menlo Park, California 94025. Communications intended specifically for non-employee directors should be sent to the attention of the Chairman of the Nominating and Corporate Governance Committee.
 
Annual Meeting Attendance.  Our Board of Directors has adopted a policy that all members should attend each annual meeting of stockholders when practicable. Five directors attended the 2006 annual meeting of stockholders.
 
Committees of our Board of Directors
 
Our Board of Directors has three principal committees. The following describes for each committee its current membership, the number of meetings held during 2006 and its mission:
 
Audit Committee.  Among other matters, the Audit Committee:
 
  •  hires and replaces our independent registered public accounting firm as appropriate;
 
  •  evaluates the independence and performance of our independent registered public accounting firm, reviews and pre-approves any audit and non-audit services provided by our independent registered public accounting firm and approves fees related to such services;


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  •  reviews and discusses with management, the internal auditors and our independent registered public accounting firm our financial statements and accounting principles;
 
  •  oversees internal auditing functions and controls; and
 
  •  prepares the Audit Committee report required by the rules of the SEC.
 
A copy of the Audit Committee’s charter is available on our website at http://www.uct.com/investors/governance.html.
 
The members of the Audit Committee are Kevin C. Eichler, Brian R. Bachman and Susan H. Billat. Our Board of Directors has determined that each current member of the committee is independent as defined under NASDAQ and SEC rules and has concluded that all members of the Audit Committee qualify as an audit committee financial expert as defined by SEC rules. The Audit Committee met seven times in 2006.
 
Compensation Committee.  Among other matters, our Compensation Committee:
 
  •  oversees our compensation and benefits policies generally, including equity compensation plans;
 
  •  evaluates senior executive performance and reviews our management succession plan;
 
  •  oversees and sets compensation for our senior executives; and
 
  •  approves the Compensation Discussion and Analysis required to be included in our proxy statement by SEC rules.
 
A copy of the Compensation Committee’s charter is available on our website at www.uct.com/investors/governance.html.
 
The members of the Compensation Committee are Brian R. Bachman, David T. ibnAle, Thomas M. Rohrs and Susan H. Billat. Our Board of Directors has determined each current member of the committee is independent as defined under NASDAQ and Securities and Exchange Commission rules. The Compensation Committee met six times in 2006.
 
Nominating and Corporate Governance Committee.  Among other matters, our Nominating and Corporate Governance Committee:
 
  •  identifies individuals qualified to fill independent director positions and recommends directors for appointment to committees of our Board of Directors;
 
  •  makes recommendations to our Board of Directors as to determinations of director independence;
 
  •  evaluates the performance of our Board of Directors;
 
  •  oversees and set compensation for our directors; and
 
  •  develops, recommends and oversees compliance with our corporate governance guidelines and code of business conduct and ethics.
 
A copy of the Nominating and Corporate Governance Committee’s charter is available on our website at www.uct.com/investors/governance.html.
 
The members of the Nominating and Corporate Governance Committee are Susan H. Billat, Kevin C. Eichler and Thomas M. Rohrs. Our Board of Directors has determined that each current member of the committee is independent as defined under NASDAQ and Securities and Exchange Commission rules. The Nominating and Corporate Governance Committee met once in 2006.
 
Consideration of Director Nominees
 
Director Qualifications.  The Nominating and Corporate Governance Committee Charter specifies the criteria applied to nominees recommended by the Nominating and Corporate Governance Committee for a position on our Board of Directors. Candidates for director nominees are reviewed in the context of the current composition of our Board of Directors, our operating requirements and the interests of our stockholders. In


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conducting its assessment the committee considers issues of judgment, diversity, age, skills, background, experience and such other factors as it deems appropriate given the needs of the Company and the Board of Directors. The Nominating and Corporate Governance Committee also considers the independence, financial literacy and financial expertise standards required by our committee charters and applicable laws, rules and regulations, and the ability of the candidate to devote the time and attention necessary to serve as a director and a committee member.
 
Identifying and Evaluating Nominees for Director.  In the event that vacancies are anticipated or otherwise arise, the Nominating and Corporate Governance Committee considers various potential candidates for director. Candidates may come to the attention of the Nominating and Corporate Governance Committee through current directors, professional search firms engaged by us, stockholders or other persons. Candidates are evaluated at regular or special meetings of the Nominating and Corporate Governance Committee and may be considered at any point during the year.
 
Stockholder Nominees.  Candidates for director recommended by stockholders will be considered by the Nominating and Corporate Governance Committee. Such recommendations should include the candidate’s name, home and business contact information, detailed biographical data, relevant qualifications for membership on our Board of Directors, information regarding any relationships between the candidate and Ultra Clean within the last three years and a written indication by the recommended candidate of the candidate’s willingness to serve, and should be sent to the committee at the address listed on page 5 of this proxy statement.
 
Director Compensation
 
Employee directors do not receive any additional compensation for their service on our Board of Directors.
 
For fiscal 2007, each non-employee director will be paid a $20,000 annual retainer fee, as well as, if applicable, a $12,000 annual fee for serving on the Audit Committee, a $5,000 annual fee per committee for serving on the Compensation and the Nominating and Corporate Governance Committees, a $12,000 annual fee for serving as chairman of the Audit Committee, a $10,000 annual fee for serving as chairman of the Compensation and Nomination and Corporate Governance Committees and $15,000 annual fee for serving as lead director. In addition, upon initially joining our board, each non-employee director is granted options to purchase 15,000 shares of our common stock that vest over four years, and each year, on the date of our Annual Meeting of Stockholders, each non-employee director is granted 5,000 restricted shares of our common stock that fully vest after one year. The Compensation Committee annually reviews the numbers of shares of restricted stock to be granted to non-employee directors based on our average stock price and the median equity compensation levels at peer companies.
 
The following table sets forth compensation for our non-employee directors for fiscal 2006.
 
                                                         
                            Pension
             
                            Value and
             
                            Nonqualified
             
    Fees Earned
                Non-Equity
    Deferred
             
    or Paid in
    Stock
    Option
    Incentive Plan
    Compensation
    All Other
       
    Cash
    Awards
    Awards
    Compensation
    Earnings
    Compensation
    Total
 
Name
  ($)     ($)(1)     ($)(2)     ($)     ($)     ($)     ($)  
 
Brian R. Bachman
    35,000             38,329 (3)                       108,329  
Susan H. Billat
    25,000             38,329 (3)                       88,329  
Dipanjan Deb
    20,000             31,676 (4)                       71,676  
Kevin C. Eichler
    35,000             38,329 (3)                       108,329  
David ibnAle
    30,000             31,676 (4)                       91,676  
Thomas M. Rohrs
    35,000       113,750       55,315 (5)                       239,065  
 
 
(1) Mr. Rohrs held an aggregate of 32,500 unvested shares (also called restricted stock awards) valued at $167,750 as of December 31, 2006. The amounts shown are the compensation costs recognized by the Company in fiscal 2006 for restricted stock awards as determined pursuant to Statement of Financial Accounting Standards No. 123(R) (“FAS 123R”).
 
(2) Amounts shown do not reflect compensation actually received by the directors. Instead, the amounts shown are the compensation costs recognized by the Company in fiscal 2006 for option awards as determined pursuant to


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FAS 123R. These compensation costs reflect option awards granted in and prior to fiscal 2006. The assumptions used to calculate the value of option awards are set forth under Note 1 of the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for fiscal 2006 filed with the SEC on March 29, 2007.
 
(3) Reflects the compensation costs recognized by the Company in fiscal 2006 for stock option grants with the following fair value as of the grant date: $62,507 for a stock option grant to purchase 15,000 shares of common stock made on March 5, 2004 at an exercise price of $7.00 per share; $26,852 for a stock option grant to purchase 7,500 shares of common stock made on May 20, 2005 at an exercise price of $6.76 per share; and $32,849 for a stock option grant to purchase 7,500 shares of common stock made on June 9, 2006 at an exercise price of $8.94 per share. As of December 31, 2006, Messrs. Bachman and Eichler and Ms. Billat each held 30,000 options.
 
(4) Reflects the compensation costs recognized by the Company in fiscal 2006 for stock option grants with the following fair value as of the grant date: $62,507 for a stock option grant to purchase 15,000 shares of common stock made on March 5, 2004 at an exercise price of $7.00 per share and $32,849 for a stock option grant to purchase 7,500 shares of common stock made on June 9, 2006 at an exercise price of $8.94 per share. As of December 31, 2006, Messrs. Deb and ibnAle each held 22,500 options.
 
(5) Reflects the compensation costs recognized by the Company in fiscal 2006 for stock option grants with the following fair value as of the grant date: $2,041 for a stock option grant to purchase 16,250 shares of common stock made on February 2, 2003 at an exercise price of $1.00 per share; $66,921 for a stock option grant to purchase 16,250 shares of common stock made on October 29, 2003 at an exercise price of $1.00 per share; $62,507 for a stock option grant to purchase 15,000 shares of common stock made on March 5, 2004 at an exercise price of $7.00 per share; $26,852 for a stock option grant to purchase 7,500 shares of common stock made on May 20, 2005 at an exercise price of $6.76 per share and $32,849 for a stock option grant to purchase 7,500 shares of common stock made on June 9, 2006 at an exercise price of $8.94 per share . As of December 31, 2006, Mr. Rohrs held 47,500 options.
 
A description of our agreements with Mr. Granger and Mr. Mezhvinsky, our only employee directors, can be found under “Agreements with Executive Officers”.
 
Stock Ownership Guidelines
 
The Board of Directors has adopted stock ownership guidelines for our directors to more closely align the interests of our directors with those of our stockholders. The guidelines were revised in February 2007 to provide that each director should maintain an investment in our common stock with an aggregate market value equal to three times the annual cash compensation amount paid to each such director as retainer for Board membership (currently a total of $60,000), and that each director be allowed three years from either the date such director joined the Company’s Board of Directors or until February 7, 2010, whichever is later, to accumulate such number of shares of our common stock.
 
Certain Relationships and Related Transactions
 
Relationship with Former Sieger Stockholders.  As consideration for their stock in Sieger Engineering, Inc., we issued an aggregate of 2,599,393 shares of our common stock to former Sieger stockholders when Sieger was merged into one of our subsidiaries in June 2006. Set forth below is a brief description of the existing agreements between us and former Sieger stockholders.
 
FP-Ultra Clean, L.L.C., Leonid Mezhvinsky, other former Sieger stockholders and we entered into an amended and restated stockholders’ agreement. The stockholders’ agreement covers matters of corporate governance and information rights. Following the sale by FP Ultra Clean, L.L.C. of all of its holdings of our common stock in February 2007, the parties to the stockholders’ agreement determined that it is in their mutual best interest to terminate the agreement. The amended and restated stockholders’ agreement was terminated on April 25, 2007.
 
FP-Ultra Clean, L.L.C., Leonid Mezhvinsky, other former Sieger stockholders and we have also entered into an amended and restated registration rights agreement. The registration rights agreement provides that, at the request of FP-Ultra Clean, L.L.C. or Leonid Mezhvinsky as the agent for the former Sieger stockholders, we can be


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required to effect registration statements, or demand registrations, registering the securities held by FP-Ultra Clean, L.L.C. and the former Sieger stockholders. FP-Ultra Clean, L.L.C. does not currently own any of our securities and therefore has no demand registration right. Leonid Mezhvinsky can request us to register the securities held by former Sieger stockholders only once through December 29, 2009. We are required to pay the registration expenses in connection with each demand registration. We may decline to honor any of these demand registrations if the aggregate gross proceeds expected to be received does not equal or exceed $5 million or if we have effected a demand registration within the preceding 90 days. If a demand registration is underwritten and the managing underwriter advises us that the number of securities offered to the public needs to be reduced, priority of inclusion in the demand registration shall be such that first priority shall be given to the stockholder requesting registration.
 
In addition to our obligations with respect to demand registrations, if we propose to register any of our securities, other than on Form S-8 or S-4 or successor forms of these forms, whether or not such registration is for our own account, former Sieger stockholders will have the opportunity to participate in such registration. Expenses relating to these “incidental registrations” are required to be paid by us.
 
If an incidental registration is underwritten and the managing underwriter advises us that the number of securities offered to the public needs to be reduced, priority of inclusion shall be such that first priority shall be given to us and second priority shall be given to former Sieger stockholders. We and the stockholders selling securities under a registration statement are required to enter into customary indemnification and contribution arrangements with respect to each registration statement.
 
Transactions with Management and Directors.  The wife of Bruce Weir, our Vice President of Engineering, is the sole owner of Acorn Travel, Inc., our primary travel agency. We incurred fees for travel-related services, including the cost of airplane tickets, provided by Acorn Travel to Ultra Clean for a total of $292,000 in the year ended December 31, 2006.
 
As part of the acquisition of Sieger, the Company leases a facility from an entity controlled by Leonid Mezhvinsky, our President and Director. From the time of acquisition to December 31, 2006, the Company incurred rent and other expense resulting from the lease of this facility of $133,000.
 
Related Person Transaction Policy.  Our Board of Directors adopted a Related Person Transaction Policy in February 2007. The policy requires the Board of Directors or the Nominating and Corporate Governance Committee to review and approve all related person transactions. Our directors and officers are required to promptly notify our Chief Compliance Officer of any transaction which potentially involves a related person. The Board or the Nominating and Corporate Governance Committee then considers all relevant facts and circumstances, including without limitation the commercial reasonableness of the terms of the transaction, the benefit and perceived benefit, or lack thereof, to the Company, opportunity costs of alternate transactions, the materiality and character of the related person’s direct or indirect interest, and the actual or apparent conflict of interest of the related person. The Board or the Nominating and Corporate Governance Committee will not approve or ratify a related person transaction unless it has determined that, upon consideration of all relevant information, the transaction is in, or not inconsistent with, the best interests of the Company and its stockholders.
 
Board Recommendation
 
Our Board of Directors unanimously recommends that you vote “FOR” each of the nominees to the Board of Directors set forth in this Proposal One.
 
PROPOSAL 2: RATIFICATION OF THE APPOINTMENT OF OUR INDEPENDENT
REGISTERED PUBLIC ACCOUNTING FIRM
 
The Audit Committee has appointed Deloitte & Touche LLP to serve as our independent registered public accounting firm for the fiscal year ending December 31, 2006. We are asking you to ratify this appointment, although your ratification is not required. In the event of a majority vote against ratification, the Audit Committee may reconsider its selection. Even if the appointment is ratified, the Audit Committee may, in its discretion, direct the appointment of a different independent registered public accounting firm at any time during the year if the Audit Committee determines that such a change would be in the Company’s and its stockholders’ best interests. A


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representative of Deloitte & Touche LLP is expected to be present at the meeting, will have the opportunity to make a statement and will be available to respond to appropriate questions.
 
Set forth below are the aggregate fees incurred for the professional services provided by our independent registered public accounting firm, Deloitte & Touche LLP, the member firms of Deloitte Touche Tohmatsu, and their respective affiliates (collectively, “Deloitte & Touche”), in 2006 and 2005.
 
                 
    Fiscal Year Ended  
    December 31,
    December 31,
 
    2006     2005  
 
Audit fees
  $ 2,814,374     $ 471,000  
Tax fees
    15,713       194,455  
Other fees
           
 
Audit fees consist of services rendered to us and our subsidiaries for the audit of our annual financial statements, reviews of our quarterly financial statements and audit services provided in connection with other statutory or regulatory filings. Audit fees for 2006 include $894,000 for services provided in connection with Sarbanes-Oxley Section 404 attestation, $249,000 for services related to the Company’s Registration Statement on Form S-1 in connection with its public offering of common stock and fees of $101,000 for services related to the acquisition of Sieger.
 
Tax fees consist of fees billed for professional services for tax compliance and tax advice. These services consist of assistance regarding federal, state and international tax compliance and assistance with the preparation of various tax returns.
 
Preapproval Policy of Audit Committee of Services Performed by Independent Auditors
 
The Audit Committee’s policy requires that the committee preapprove audit and non-audit services to be provided by the Company’s independent auditors before the auditors are engaged to render services. The Audit Committee may delegate its authority to pre-approve services to one or more Audit Committee members; provided that such designees present any such approvals to the full Audit Committee at the next Audit Committee meeting.
 
All services provided by Deloitte & Touche were pre-approved in accordance with the Audit Committee’s pre-approval policies.
 
Board Recommendation
 
Our Board of Directors unanimously recommends that you vote “FOR” ratification of the appointment of Deloitte & Touche LLP as our independent registered public accounting firm.
 
EXECUTIVE OFFICERS
 
Set forth below is information concerning our executive officers:
 
             
Name
 
Age
 
Position
 
Clarence L. Granger
  58   Chief Executive Officer and Chairman of the Board
Leonid Mezhvinsky
  53   President and Director
Jack Sexton
  43   Vice President and Chief Financial Officer
Bruce C. Wier
  59   Sr. Vice President of Engineering
Deborah E. Hayward
  45   Sr. Vice President of Sales
Sowmya Krishnan, Ph.D. 
  38   Vice President of Technology and Chief Technology Officer
 
Clarence L. Granger has served as our Chairman & Chief Executive Officer since October 2006, as our Chief Executive Officer since November 2002, as Chief Operating Officer from March 1999 to November 2002 and as a member of our Board of Directors since May 2002. Mr. Granger served as our Executive Vice President and Chief Operating Officer from January 1998 to March 1999 and as our Executive Vice President of Operations from April


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1996 to January 1998. Prior to joining Ultra Clean in April 1996, he served as Vice President of Media Operations for Seagate Technology from 1994 to 1996. Prior to that, Mr. Granger worked for HMT Technology as Chief Executive Officer from 1993 to 1994, as Chief Operating Officer from 1991 to 1993 and as President from 1989 to 1994. Prior to that, Mr. Granger worked for Xidex as Vice President and General Manager, Thin Film Disk Division, from 1988 to 1989, as Vice President, Santa Clara Oxide Disk Operations, from 1987 to 1988, as Vice President, U.S. Tape Operations, from 1986 to 1987 and as Director of Engineering from 1983 to 1986. Mr. Granger holds a master of science degree in industrial engineering from Stanford University and a bachelor of science degree in industrial engineering from the University of California at Berkeley.
 
Leonid Mezhvinsky has served as our President since June 2006 following our acquisition of Sieger Engineering, Inc. and as a director since February 2007. He has more than two decades of management experience and in depth knowledge of machine shop, electro mechanical assemblies and system integration utilized in semiconductor, medical and biotech OEM products. Prior to joining Ultra Clean, Mr. Mezhvinsky was President and Chief Executive Officer of Sieger Engineering, Inc. which he joined in 1982. Mr. Mezhvinsky holds the equivalent of a bachelor of science in Industrial Automation from College of Industrial Automation, Odessa, Ukraine.
 
Jack Sexton has served as our Vice President and Chief Financial Officer since May 2005. Before joining Ultra Clean, Mr. Sexton was Corporate Controller of Credence Systems Corporation, a manufacturer of test equipment and diagnostics and failure analysis products used for testing semiconductor integrated circuits. He was Controller and Chief Accounting Officer of NPTest from May 2002 until its sale to Credence in May 2004. Prior to NPTest, Mr. Sexton was Worldwide Controller for Schlumberger Resource Management Services, now Actaris Metering Systems. Mr. Sexton joined Schlumberger in 1990, prior to which he was a plant operations controller for Texas Instruments. Mr. Sexton holds two bachelor of science degrees, in finance and accounting from the Carroll School of Management at Boston College, where he graduated magna cum laude. He is also a Certified Public Accountant.
 
Bruce C. Wier has served as our Senior Vice President of Engineering since January 2007 and Vice President of Engineering since February 2000. Mr. Wier served as our Director of Design Engineering from July 1997 to February 2000. Prior to joining Ultra Clean in July 1997, Mr. Wier was the Engineering Manager for the Oxide Etch Business Unit at Lam Research from April 1993 to June 1997. Prior to that, Mr. Wier was the Senior Project Engineering Manager at Genus from May 1990 to April 1993, the Mechanical Engineering Manager at Varian Associates from November 1985 to May 1990, and the Principal Engineer/ Project Manager at Eaton Corporation from February 1981 to November 1985. Mr. Wier is also on the board of directors of, and is the Chief Financial Officer for Acorn Travel, a travel company formed by his wife in 1999. Mr. Wier holds a bachelor of science degree cum laude in mechanical engineering from Syracuse University.
 
Deborah E. Hayward has served as our Senior Vice President of Sales since January 2007 and Vice President of Sales since October 2002. Ms. Hayward served as our Senior Sales Director from May 2001 to October 2002, as Sales Director from February 1998 to May 2001 and as a major account manager from October 1995 to February 1998. Prior to joining Ultra Clean in 1995, she was a customer service manager and account manager at Brooks Instruments from 1985 to 1995.
 
Sowmya Krishnan, Ph.D., has served as our Vice President of Technology since January 2004 and as our Chief Technology Officer since February 2001. Dr. Krishnan served as our Director of Technology Development from January 1998 to January 2001, as Manager of Technology Development from January 1995 to December 1997 and as manager of a joint evaluation program between Ultra Clean and VLSI Technology from February 1994 to December 1994. Dr. Krishnan holds a master of science degree in chemical engineering and a doctorate degree in chemical engineering from Clarkson University.


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EXECUTIVE OFFICER COMPENSATION
 
Compensation Discussion and Analysis
 
Overview of Compensation Program and Philosophy
 
Our compensation program is intended to meet three principal objectives:
 
(1) attract, reward and retain officers and other key employees;
 
(2) motivate key employees to achieve short-term and long-term corporate goals that enhance stockholder value; and
 
(3) promote internal equity and external competitiveness.
 
To meet these objectives, we have adopted the following overriding compensation policies:
 
  •  Pay compensation that is competitive with the practices of our peer group of high technology and electronics manufacturing services (EMS) companies; and
 
  •  Pay for performance by:
 
  •  offering cash incentives upon achievement of challenging performance goals; and
 
  •  providing long-term, significant incentives in the form of stock options and other equity, in order to retain those individuals with the leadership abilities necessary for increasing long-term stockholder value while aligning the interests of our officers with those of our stockholders.
 
Our Compensation Committee (the “Committee”) considers these policies in determining the appropriate allocation of long-term compensation, current cash compensation, short-term bonus compensation and other benefits. Other considerations include our business objectives, fiduciary and corporate responsibilities (including internal equity considerations and affordability), competitive practices and trends, and regulatory requirements. In determining the particular elements of compensation that will be used to implement our overall compensation policies, the Committee takes into consideration a number of factors related to corporate performance, such as earnings per share, profitability, return on invested capital, revenue growth, and operational and financial performance, as well as competitive practices among our peer group.
 
Process for Determining Executive Compensation
 
The Committee has engaged Radford Surveys + Consulting as its outside compensation consultant to assist in creating and administering our compensation policies. This consultant advises the Committee on all of the principal aspects of executive compensation, including base salaries and annual and long-term incentives. The consultant often attends meetings of the Committee and also communicates with the Committee outside of meetings. The consultant reports to the Committee rather than to management, although the consultant meets with management from time to time for purposes of gathering information on proposals that management may make to the Committee. The Committee has the authority to replace the compensation consultant or hire additional consultants at any time.
 
The Committee on occasion meets with Mr. Granger and other executives to obtain recommendations with respect to Company compensation programs, practices and packages. Management makes recommendations to the Committee on the base salary, bonus targets and equity compensation for the executive team and other employees. Although the Committee considers management’s recommendations with respect to executive compensation, the Committee makes all final decisions on executive compensation matters. The Committee also typically seeks input from its independent compensation consultant prior to making any final determinations.
 
Mr. Granger attends most of the Committee’s meetings, but the Committee also regularly holds executive sessions not attended by any members of management or non-independent directors. The Committee makes decisions with respect to Mr. Granger’s compensation without him present. The Committee has the ultimate authority to make decisions with respect to the compensation of our named executive officers, but may, if it chooses, delegate some of its responsibilities to subcommittees. The Committee has not delegated authority with respect to the compensation of executive officers. The Committee has delegated to Mr. Granger the authority to grant stock


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options to employees below the level of corporate vice president under guidelines approved by the Committee and to make salary adjustments and short-term bonus decisions for employees (other than certain officers) under guidelines approved by the Committee.
 
Elements of Compensation
 
The following are the primary elements of our executive compensation program:
 
(i) base salary;
 
(ii) annual performance-based cash incentive opportunities;
 
(iii) long-term incentives through equity awards; and
 
(iv) retirement and welfare benefit plans, including a deferred compensation plan, a 401(k) plan, limited executive perquisites and other benefit programs available generally to all employees.
 
We have selected these elements because each is considered useful and/or necessary to meet one or more of the principal objectives of our compensation policy. For example, base salary and bonus target percentage are set with the goal of attracting employees and adequately compensating and rewarding them for the time spent, the Company’s annual financial results and the services they perform, while our equity programs are geared toward providing an incentive and reward for the achievement of long-term business objectives and retaining key talent. We believe that these elements of compensation, when combined, are effective, and will continue to be effective, in achieving the objectives of our compensation program.
 
The Committee reviews base salary, cash incentive programs and long-term incentive programs on at least an annual basis. Other programs are reviewed from time to time to ensure that benefit levels remain competitive but are not included in the annual determination of an executive’s compensation package. In setting compensation levels for a particular executive, the Committee takes into consideration the proposed compensation package as a whole and each element individually, as well as the executive’s past and expected future contributions to our business. Messrs Granger, Mezhvinsky and Sexton are the only executive officers with employment or severance agreements. All three agreements are discussed below under the section entitled “Employment Contracts and Separation Agreements.”
 
Base Salary and Annual Incentive Opportunities
 
Base salaries and cash bonuses are a significant portion of our executive compensation package. We believe this helps us remain competitive in attracting and retaining executive talent. Bonuses also are paid in order to motivate the achievement of the Company’s business goals. The Committee determines each officer’s target total annual cash compensation (salary and bonuses) after reviewing similar compensation information from a group of 17 companies. The selected peer group includes a broad range of companies in the high technology and EMS industries with whom we compete for executive talent. For fiscal 2006, the Committee considered major high technology and EMS competitors for executive talent and companies of at least a similar size and scope to us, as measured by market capitalization, revenue, net income and total shareholder return. The Committee annually reviews the peer group companies. The peer group currently consists of the following companies:
 
         
• Advanced Energy Industries
 
• Excel
 
• RadiSys
• Asyst Technologies
 
• Intevac
 
• SMTC
• Brooks Automation
 
• Mattson Technologies
 
• Suntron
• CTS
 
• Merix
 
• TTM
• DDI
 
• MKS Instruments
 
• Zygo
• Entegris
 
• Multi-Fineline
   
 
Data on the compensation practices of this peer group generally is gathered through searches of publicly available information, including publicly available databases. Because publicly available information does not typically include information regarding target cash compensation, we also rely upon a compensation survey prepared by Radford Surveys + Consulting, the Committee’s outside consultant, to benchmark target cash


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compensation levels against the above peer group. Peer group data is gathered with respect to base salary, bonus targets and all equity awards (primarily stock options).
 
Our goal is to target base pay and total cash compensation between the 25th and 50th percentile among the peer group. However, in determining base salary, the Committee also considers other factors such as job performance, skill set, prior experience, the executive’s time in his or her position and/or with the Company, internal consistency regarding pay levels for similar positions or skill levels within the Company, external pressures to attract and retain talent, and market conditions generally. Positioning base pay below the 50th percentile of peer companies combined with targeting total compensation (including equity) at or above the 50th percentile, and therefore providing higher incentive compensation opportunity, promotes pay for performance while controlling fixed costs, rewards exceptional goal achievement and allows total compensation to be more competitive as a whole, while taking into account the cyclical nature of our business.
 
Base Salaries.  For fiscal 2006, after taking into consideration compensation survey data and Mr. Granger’s recommendations, the Committee set the base salaries of each of the named executive officers. For fiscal 2007, Mr. Granger made recommendations to the Committee with respect to proposed salaries for each of the named executive officers other than himself. The Committee reviewed Mr. Granger’s recommendations and set salaries that were appropriate to achieve the desired market positioning for each executive. For fiscal 2007, Mr. Granger’s salary was increased approximately 6% to $370,000, based on Mr. Granger’s contribution and our performance during the year and the desired market positioning relative to the peer group.
 
Incentive Bonuses.  Payment of bonus amounts, and therefore total cash compensation, depends on the achievement of specified performance goals. For fiscal 2006, our performance goals were revenue and operating profit as a percent of revenue. Generally bonuses are paid under our Management Bonus Plan only if the performance goals that the Committee sets at the beginning of the fiscal year are achieved, although the Committee retains the ability to revise performance measures during the year or to award bonuses based on extraordinary events or individual performance even if corporate performance goals are not met. For fiscal 2006, the Committee approved performance bonuses at 90% of target amounts based on the Company’s financial results for 2006 in the areas of revenue and operating profit performance compared to the goals set at the beginning of the year. In addition, in anticipation of the successful completion certain projects, including the successful integration of Sieger, the Committee approved a supplemental bonus in the aggregate amount of $120,000 to be paid to executives and other employees in 2007. We intend the performance goals to be challenging to acknowledge and reflect strong corporate performance. The maximum allowable bonus under the plan is two times an employee’s target annual bonus. Bonuses paid as a percentage of the aggregate target bonus were 70%, 0% and 90% in years 2004, 2005 and 2006, respectively, which we believe shows that the Company must perform well for executives to receive significant bonuses. To help achieve our goal of retaining key talent, an executive must remain an employee through the time the bonus is paid in order to be eligible for any bonus under the Management Bonus Plan.
 
For fiscal 2006, total target cash compensation (i.e., assuming target goals were met) was below the targeted 25th percentile of the peer group, which the Committee believes is slightly low but offset by higher equity packages as described below. The Committee intends to increase over time the target total cash compensation to between the 25th and 50th percentile, which the Committee feels is an appropriate range, when coupled with our long-term incentive package, to enable us to attract and retain key personnel and to motivate our executives to meet our business goals.
 
At the beginning of fiscal 2006, Mr. Granger made recommendations to the Committee with respect to target bonus amounts for each of the named executive officers, other than himself. The Committee reviewed these proposals, then established target bonus amounts which were consistent with our intention to migrate total cash compensation to between the 25th and 50th percentile level and approved Mr. Granger’s recommendations substantially as proposed. In setting Mr. Granger’s target bonus, the Committee reviewed market competitive data and the strong belief that Mr. Granger significantly and directly influences our overall performance.
 
Long-Term Incentive Compensation
 
Our long-term incentive compensation has consisted mainly of stock options that vest over four years of continued employment. Our equity compensation program is intended to align the interests of our officers with


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those of our stockholders by creating an incentive for our officers to maximize stockholder value. The equity compensation program also is designed to encourage our officers to remain employed with us in a very competitive labor market. We target the value of equity awards to be in the 50th to 75th percentile of the peer group described above. The Committee believes it is appropriate to make awards in this higher percentile for equity awards compared to cash awards because of the nature of our industry which places importance on equity compensation, and our size and stage of growth.
 
All stock option grants have a per share exercise price equal to the fair market value of our common stock on the grant date. Under the terms of our plan, fair market value is defined as the closing price on the day preceding the grant date. We have implemented procedures to regularize our option grant process, such as making new hire grants on the same day each month. The Committee has not granted, nor does it intend in the future to grant, equity compensation awards to executives in anticipation of the release of material nonpublic information that is likely to result in changes to the price of our common stock, such as a significant positive or negative earnings announcement. Similarly, the Committee has not timed, nor does it intend in the future to time, the release of material nonpublic information based on equity award grant dates. Because our stock option awards typically vest over a four year period, we believe recipients are motivated to see our stock price grow in the long-term rather than benefit from an immediate but short-term increase in the price of our stock following a grant.
 
The Committee regularly monitors the business environment in which we operate and may make changes at any time to our equity compensation program to help us meet our goals, including achieving long-term stockholder value. Stock options have been an effective tool for meeting our goal of increasing long-term stockholder value by tying the value of the stock options to improved performance in the future. Employees are able to profit from stock options only if our stock price increases in value over the stock option’s exercise price.
 
The Committee further believes that our ability to attract, retain and motivate key executives is critical to achieving strategic goals, which in turn helps build long-term value creation. The number of options the Committee grants to each officer is determined based on a variety of factors, including market data collected regarding the equity grant ranges for the peer companies listed above and our goal to award grants between the 50th to 75th percentile of this group, as well as the performance rating each executive is given by Mr. Granger. Mr. Granger assigns a performance rating to each member of the executive team that reports to him based on a number of factors, including the individual’s accomplishments during the prior fiscal year and over the course of his or her service, how effectively the individual reflects Company values, and the feedback regarding the executive from other employees who have an interest in or are affected by the executive’s job performance.
 
For fiscal 2006, the Committee relied upon the above factors to approve stock option grants for the named executive officers. In approving the grant to Mr. Granger, the Committee also considered market pay data provided by its compensation consultant and the strong belief that the Chief Executive Officer significantly and directly influences our overall performance.
 
Other Benefit Plans
 
Deferred Compensation.  We maintain a non-qualified deferred compensation plan, which allows eligible employees, including executive officers, to voluntarily defer receipt of the portion of his/her salary above a specified amount and all or a portion of a bonus payment until the date or dates elected by the participant, thereby allowing the participating employee to defer taxation on such amounts. This plan gives highly compensated employees the opportunity to defer more compensation than they would otherwise be permitted to defer under a tax-qualified retirement plan, such as our 401(k) plan. We believe that deferred compensation is a competitive practice to enable us to attract and retain top talent. We do not make matching or other employer contributions to the deferred compensation plan because we believe the deferral opportunity is enough of a benefit on its own.
 
Executive Perquisites.  In addition to health care coverage that is generally available to our other employees, our executive officers are eligible for annual physical examinations more extensive than under the Company’s standard plans. Mr. Granger and employees in sales and marketing also receive a car allowance.
 
Other Benefits.  We also offer a number of other benefits to the executive officers pursuant to benefit programs that provide for broad-based employee participation. For example, our retirement plan is a tax-qualified


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401(k) plan, which is a broad-based employee plan. Under the 401(k) plan, all participating employees (including executive officers) are eligible to receive limited matching contributions that are subject to vesting over time.
 
The main objectives of our benefits programs are to give our employees access to quality healthcare, financial protection from unforeseen events, assistance in achieving retirement financial goals, enhanced health and productivity and to provide support for global workforce mobility, in full compliance with applicable legal requirements. These generally available benefits typically do not specifically factor into decisions regarding an individual executive’s total compensation or equity award package.
 
Employment and Severance Agreements
 
We have entered into employment agreements with Messrs. Granger, Sexton and Mezhvinsky. As further described in detail below in this proxy statement, these employment agreements would provide for severance benefits in the event of certain terminations of employment. We believe these agreements offer severance benefits that are reasonable in amount, while providing competitive protection to key executive officers who would be likely to receive similar benefits from our competitors. The Committee reviews the potential costs and triggering events of employment and severance agreements before approving them.
 
Accounting and Tax Considerations
 
In designing its compensation programs, the Committee generally considers the accounting and tax effects as well as direct costs. For example, we intend to limit the accounting expense for our equity compensation programs in an amount determined by the Committee from time to time. When determining how to apportion between differing elements of compensation, the goal is to meet our compensation objectives while maintaining cost neutrality. For example, if we increase benefits under one program resulting in higher compensation expense, we may seek to decrease costs under another program based on our determination of the affordability level. We recognize a charge to earnings for accounting purposes when stock options are granted. The Committee considers the impact to dilution and overhang when making decisions pertaining to equity instruments.
 
We do not require executive compensation to be tax deductible for the Company, but instead balance the cost and benefits of tax deductibility to comply with our executive compensation goals.


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Report of the Compensation Committee
 
The Compensation Committee of the Board of Directors of Ultra Clean has reviewed and discussed the Compensation Discussion and Analysis required by Item 402(b) of Regulation S-K, which appears in this proxy statement, with the management of Ultra Clean. Based on this review and discussion, the Compensation Committee recommended to the Board of Directors that the Compensation Discussion and Analysis be included in Ultra Clean’s proxy statement.
 
Members of the Compensation Committee
 
Brian R. Bachman, Chairman
Susan H. Billat
David T. ibnAle
Thomas M. Rohrs
 
Summary Compensation Table
 
The following table shows compensation information for fiscal 2006 for our principal executive officer, our principal financial officer and our other three most highly compensated executive officers as of December 31, 2006 (collectively, our “named executive officers”).
 
                                                                         
                                        Change in
             
                                        Pension
             
                                        Value and
             
                                        Nonqualified
             
                                  Non-Equity
    Deferred
             
                      Stock
    Option
    Incentive Plan
    Compensation
    All Other
       
          Salary
    Bonus
    Awards
    Awards
    Compensation
    Earnings
    Compensation
    Total
 
Name and Principal Position
  Year     ($)     ($)     ($)     ($)(1)     ($)(2)     ($)(3)     ($)(4)     ($)  
 
Clarence L. Granger
    2006       350,000                   412,432       157,500             20,794 (5)     940,726  
Chief Executive Officer
                                                                       
Leonid Mezhvinsky
    2006       148,750 (6)                 115,754       66,938 (6)           1,647 (6)     333,089  
President
                                                                       
Deborah E. Hayward
    2006       166,400                   76,205       148,433             13,005 (7)     404,042  
Senior Vice President, Sales
                                                                       
Bruce C. Wier
    2006       210,088                   40,897       52,200             11,792 (8)     314,977  
Senior Vice President, Engineering
                                                                       
Jack Sexton
    2006       208,333                   169,982       75,000                     453,315  
Chief Financial Officer
                                                                       
 
 
(1) Amounts shown do not reflect compensation actually received by the named executive officer. Instead, the amounts shown are the compensation costs recognized by the Company in fiscal 2006 for option awards as determined pursuant to FAS 123R. These compensation costs reflect option awards granted in and prior to fiscal 2006. The assumptions used to calculate the value of option awards are set forth under Note 1 of the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for fiscal 2006 filed with the SEC on March 29, 2007.
 
(2) Amounts consist of bonuses, and for Ms. Hayward, sales commissions earned for services rendered in fiscal 2006.
 
(3) Amounts consist of above-market or preferential earnings during fiscal 2006 on compensation that was deferred in or prior to fiscal 2006 under the Company’s Executive Deferred Compensation Plan (the “EDCP”).
 
(4) Unless otherwise indicated, (a) the amounts in this column consist of matching contributions made by the Company under its tax-qualified 401(k) Plan, which provides for broad-based employee participation, and (b) no named executive officer other than Messrs. Granger and Wier and Ms. Hayward individually received perquisites or other personal benefits with a value that exceeded $2,000 in the aggregate.
 
(5) This amount consists of (a) matching contribution of $13,966 under the tax-qualified 401(k) Plan; (b) payment on behalf of Mr. Granger of $1,740 in term life insurance premiums, and (c) $4,608 in car allowance.


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(6) These amounts reflect compensation for Mr. Mezhvinsky since he accepted the position of our President on June 29, 2006, following our acquisition of Sieger Engineering, Inc., of which Mr. Mezhvinsky was the primary stockholder, President and Chief Executive Officer.
 
(7) This amount consists of (a) matching contribution of $6,505 under the tax-qualified 401(k) Plan and (b) $6,500 in car allowance.
 
(8) This amount consists of (a) matching contribution of $9,450 under the tax-qualified 401(k) Plan and (b) payment on behalf of Mr. Wier of $2,342 in term life insurance premiums.
 
Grants of Plan-Based Awards
 
The following table shows all plan-based awards granted to the named executive officers during fiscal 2006.
 
                                         
          Option Awards:
          Closing
    Grant Date
 
          Shares
    Exercise
    Price on
    Fair Value
 
    Grant
    Underlying
    Price of
    Grant
    of Option
 
Name and Position
  Date     Options     Options     Date(1)     Awards  
 
Clarence L. Granger
    5/18/2006       100,000     $ 8.61     $ 8.35     $ 421,810  
Chief Executive Officer
                                       
Leonid Mezhvinsky
    7/28/2006       315,000     $ 8.02     $ 8.19     $ 1,233,887  
President
                                       
Deborah E. Hayward
    5/18/2006       20,000     $ 8.61     $ 8.35     $ 84,362  
Senior Vice President, Sales
                                       
Bruce C. Wier
    5/18/2006       20,000     $ 8.61     $ 8.35     $ 84,362  
Senior Vice President, Engineering
                                       
Jack Sexton
    5/18/2006       30,000     $ 8.61     $ 8.35     $ 126,543  
Chief Financial Officer
                                       
 
 
(1) Under the terms of our stock incentive plan, fair market value is defined as the closing price on the day preceding the grant date.
 
Outstanding Equity Awards
 
The following table shows all outstanding equity awards held by the named executive officers at the end of fiscal 2006, which ended on December 31, 2006.
 
                                 
    Option Awards  
    Number of
    Number of
             
    Securities
    Securities
             
    Underlying
    Underlying
    Option
       
    Unexercised
    Unexercised
    Exercise
    Option
 
    Options (#)
    Options (#)
    Price
    Expiration
 
Name
  Exercisable     Unexercisable     ($)     Date  
 
Clarence L. Granger
    282,115       16,042 (1)     1.00       2/21/2013  
      158,333       241,667 (2)     6.55       5/9/2015  
      0       100,000 (3)     8.61       5/18/2016  
Leonid Mezhvinsky
    0       315,000 (4)     8.02       7/28/2016  
Deborah E. Hayward
    44,322       1,928 (1)     1.00       2/21/2013  
      13,880       2,370 (5)     1.00       7/29/2013  
      21,484       9,766 (6)     7.00       3/24/2014  
      9,895       15,105 (2)     6.55       5/9/2015  
      0       20,000 (3)     8.61       5/18/2016  
Bruce C. Wier
    79,802       3,698 (1)     1.00       2/21/2013  
      3,437       1,563 (6)     7.00       3/24/2014  
      9,895       15,105 (2)     6.55       5/9/2015  
      0       20,000 (3)     8.61       5/18/2016  
Jack Sexton
    51,875       103,125 (7)     7.05       6/20/2015  
      0       30,000 (3)     8.61       5/18/2016  


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(1) 1/2 of unexercisable shares become exercisable on each of 1/21/2007 and 2/21/07.
 
(2) 1/29 of unexercisable shares become exercisable on 1/9/2007 and each month thereafter.
 
(3) 25% of unexercisable shares become exercisable on 5/18/07 and 1/48 of shares each month thereafter.
 
(4) 25% of unexercisable shares become exercisable on 7/28/07 and 1/48 of shares each month thereafter.
 
(5) 1/7 of unexercisable shares become exercisable on 1/29/2007 and each month thereafter.
 
(6) 1/15 of unexercisable shares become exercisable on 1/24/2007 and each month thereafter.
 
(7) 1/30 of unexercisable shares become exercisable on 1/20/2007 and each month thereafter.
 
Option Exercises and Stock Vested
 
The following table shows all stock options exercised and value realized upon exercise, and all stock awards vested and value realized upon vesting, by the named executive officers during fiscal 2006, which ended on December 31, 2006.
 
                                 
    Option Awards     Stock Awards  
    Number of Shares
          Number of Shares
    Value
 
    Acquired on
    Value Realized on
    Acquired on
    Realized on
 
    Exercise
    Exercise
    Vesting
    Vesting
 
Name
  (#)     ($)(1)     (#)     ($)(2)  
 
Clarence L. Granger
    86,843 (3)     550,006       39,825       558,745  
Leonid Mezhvinsky
                       
Deborah E. Hayward
                       
Bruce C. Wier
    5,250       50,925       7,963       111,721  
Jack. Sexton
    10,000       72,469              
 
 
(1) The value realized equals the difference between the option exercise price and the fair market value of the Company’s common stock on the date of exercise, multiplied by the number of shares for which the option was exercised.
 
(2) The value realized equals the market value of the Company’s common stock on the vesting date, multiplied by the number of shares that vested.
 
(3) Of this amount, 11,843 shares were withheld by the Company to cover tax withholding obligations.
 
Nonqualified Deferred Compensation
 
We maintain a non-qualified deferred compensation plan, the Ultra Clean Holdings, Inc. 2004 Executive Deferred Compensation Plan (the “EDCP”), which allows eligible employees, including executive officers, to voluntarily defer receipt of the portion of his/her salary above a specified amount and all or a portion of a bonus payment until the date or dates elected by the participant, thereby allowing the participating employee to defer taxation on such amounts. Amounts credited to the EDCP consist only of cash compensation that has been earned and payment of which has been deferred by the participant. The amounts deferred under the EDCP are credited with realized gains on investments and interest at market rates on cash balances. We do not make matching or other employer contributions to the EDCP.


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The following table shows certain information for the named executive officers under the EDCP.
 
                                         
          Registrant
    Aggregate
             
    Executive
    Contributions
    Earnings in
    Aggregate
    Aggregate
 
    Contributions in
    in Last
    Last Fiscal
    Withdrawals/
    Balance at Last
 
    Last Fiscal Year
    Fiscal Year
    Year
    Distributions
    Fiscal Year End
 
Name
  ($)(1)     ($)     ($)(2)     ($)     ($)  
 
Clarence L. Granger
    7,000             23,479             180,843  
Clarence L. Granger(3)
                    7,155       7,155       265,000  
Leonid Mezhvinsky
                             
Deborah E. Hayward
                             
Bruce C. Wier
    15,800             3,456             40,638  
Jack Sexton
                             
 
 
(1) Consists of salary reported in the Summary Compensation Table under the columns entitled “Salary”.
 
(2) Includes realized and unrealized gains and interest earned during the 2006 fiscal year.
 
(3) Amount deferred pursuant to Mr. Granger’s employment agreement described below.
 
Equity Compensation Plan Information
 
The following table summarizes information with respect to options and other equity awards under our equity compensation plans as of December 31, 2006:
 
                         
                (c)
 
                Number of Securities
 
                Remaining Available
 
    (a)
    (b)
    for Future Issuance
 
    Number of Securities
    Weighted-Average
    Under Equity
 
    to be Issued Upon
    Exercise Price of
    Compensation Plans
 
    Exercise of
    Outstanding
    (Excluding
 
    Outstanding Options,
    Options, Warrants
    Securities Reflected
 
Plan Category
  Warrants and Rights     and Rights     in Column (a))  
 
Equity compensation plans approved by security holders(1)
    2,914,644     $ 6.41       860,139  
Equity compensation plans not approved by security holders
                 
Total
    2,914,644               860,139  
 
 
(1) Consists of the Amended and Restated Stock Incentive Plan and, for purposes of column (c), the Employee Stock Purchase Plan. The number of shares available under our Amended and Restated Stock Incentive Plan automatically increases each year, beginning January 1, 2005 through January 1, 2014, by an amount equal to the lesser of (i) 370,228 shares, (ii) 2% of the number of shares of the common stock outstanding on the date of the increase or (iii) an amount determined by the Board of Directors.
 
Employment Contracts and Separation Agreements
 
Employment Agreement with Clarence L. Granger.  We entered into an employment agreement with Clarence L. Granger dated November 15, 2002, as amended on March 2, 2004 and May 9, 2005. In October 2006, Mr. Granger agreed to serve as our Chairman and Chief Executive Officer. His amended employment agreement has a term through March 2009 and provides for a base salary of $350,000. Pursuant to his original employment agreement, Mr. Granger received a signing bonus, of which approximately $74,000 was paid in cash, $88,000 was paid in cash but used to purchase our common stock, and approximately $265,000 was placed in a deferred compensation arrangement payable after seven years (or earlier in the discretion of our Board of Directors). Under this deferred compensation arrangement, we agreed to pay interest of 2.7% per year on the deferred amount, payable on June 30 and December 31 of each year. Under his employment agreement, Mr. Granger is eligible to receive an annual bonus of up to $175,000, subject to the satisfaction of performance goals as may be set by our Board of Directors. In the event that Mr. Granger is terminated by us without cause at any time or Mr. Granger resigns within six months after a


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change of control with good reason, he is entitled to continue to receive 12 months of base salary (offset by any income earned by him during such 12 months), health coverage and accelerated vesting of stock options. If Mr. Granger had been terminated on December 31, 2006, he would have received $350,000 in severance, a value of approximately $9,000 in health benefits and accelerated vesting of 155,625 options which had an aggregate intrinsic value (based on our stock price as of December 31, 2006, less the option exercise price) of approximately $910,117.
 
Employment Agreement with Leonid Mezhvinsky.  We entered into a one-year employment agreement with Leonid Mezhvinsky dated June 29, 2006. Under this agreement, Mr. Mezhvinsky will receive a base salary of $297,500 and is eligible to receive an annual bonus of up to $148,750, subject to the satisfaction of performance goals as may be set by our Board of Directors. Mr. Mezhvinsky was granted a stock option to purchase 315,000 shares of common stock of the Company. In the event that Mr. Mezhvinsky is terminated by us without cause, he is entitled to receive 12 months of base salary, earned and unpaid bonus, health coverage and accelerated vesting of stock options. If Mr. Mezhvinsky had been terminated on December 31, 2006, he would have received $297,500 in severance, a value of approximately $13,000 in health benefits and accelerated vesting of 111,562 options which had an aggregate intrinsic value (based on our stock price as of December 31, 2006, less the option exercise price) of approximately $483,063.
 
Employment Agreement with Jack Sexton.  We entered into an employment agreement with Jack Sexton dated June 21, 2005. Under this agreement, Mr. Sexton will receive a base salary of $200,000 and is eligible to receive an annual bonus with a target bonus of 40% of base salary, subject to the satisfaction of performance goals as may be set by our Board of Directors. In the event that Mr. Sexton is terminated by us without cause, he is entitled to receive 12 months of base salary, health coverage and accelerated vesting of stock options. If Mr. Sexton had been terminated on December 31, 2006, he would have received $220,000 in severance, a value of approximately $10,000 in health benefits and accelerated vesting of 53,125 options which had an aggregate intrinsic value (based on our stock price as of December 31, 2006, less the option exercise price) of approximately $263,038.
 
Compensation Committee Interlocks and Insider Participation
 
No member of our Compensation Committee is or was an officer or employee of the Company during 2006. None of our executive officers serves or served during 2006 as a member of the board of directors or compensation committee of any entity that has one or more executive officers serving as a member of our Board of Directors or its Compensation Committee. Additional information concerning transactions between us and entities affiliated with members of our Compensation Committee is included in this proxy statement under the caption “Certain Relationships and Related Transactions”.
 
REPORT OF THE AUDIT COMMITTEE
 
The following Report of the Audit Committee of the Board of Directors shall not be deemed to be “soliciting material” or to be “filed” with the SEC nor shall this information be incorporated by reference into any future filing under the Securities Act of 1933 (the “Securities Act”) or the Securities Exchange Act of 1934 (the “Exchange Act”), each as amended, except to the extent that Ultra Clean specifically incorporates it by reference into such filing.
 
The Audit Committee (the “Committee”) serves in an oversight capacity and is not intended to be part of Ultra Clean’s operational or managerial decision-making process. Ultra Clean’s management is responsible for preparing the consolidated financial statements, and its independent registered public accounting firm, Deloitte & Touche LLP, is responsible for auditing those statements. The Committee’s principal purpose is to monitor these processes.
 
The Committee is currently composed of three directors, each of whom meets the requirements of applicable NASDAQ Stock Market and Securities and Exchange Commission rules for independence. The key responsibilities of our committee are set forth in our charter, which is available on our website at www.uct.com/investors/governance.html.
 
The Committee regularly met and held discussions with management and Deloitte & Touche LLP in 2006. Management represented to us that Ultra Clean’s consolidated financial statements were prepared in accordance with generally accepted accounting principles applied on a consistent basis, and we have reviewed and discussed the


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quarterly and annual earnings press releases and consolidated financial statements with management and Deloitte & Touche LLP. We also discussed with Deloitte & Touche LLP matters required to be discussed by Statement on Auditing Standards No. 61 (Communication With Audit Committees), as amended, and rule 2-07 (communications with Audit Committee) of Regulation S-X.
 
The Committee has discussed with Deloitte & Touche LLP its independence from Ultra Clean and its management, including the matters, if any, in the written disclosures required by Independence Standards Board Standard No. 1 (Independence Discussions With Audit Committees). The Committee also considered whether Deloitte & Touche LLP’s provision of audit and non-audit services to Ultra Clean by Deloitte & Touche LLP is compatible with maintaining the independence of Deloitte & Touche from the Company.
 
The Committee discussed with the Company’s internal and independent auditors the overall scope and plans for their respective audits. The Committee meets with the internal and independent auditors, with and without management present, to discuss the results of their examinations, their evaluations of the Company’s internal controls and the overall quality of the Company’s financial reporting. To avoid certain potential conflicts of interest, the law prohibits a publicly traded company from obtaining certain non-audit services from its independent audit firm. The Company obtains these services from other service providers as needed.
 
Based on the reviews and discussions referred to above, we recommended to our Board of Directors, and our Board of Directors approved, that the audited financial statements be included in Ultra Clean’s Annual Report on Form 10-K for the year ended December 31, 2006, for filing with the Securities and Exchange Commission.
 
We have appointed Deloitte & Touche LLP as Ultra Clean’s independent auditors for 2007.
 
Members of the Audit Committee
 
Kevin C. Eichler, Chairman
Brian R. Bachman
Susan H. Billat
 
The foregoing report has been furnished by the Audit Committee of the Board of Directors of Ultra Clean Holdings, Inc.
 
OTHER MATTERS
 
We know of no other matters to be submitted to the meeting. If any other matters properly come before the meetings, it is the intention of the persons named in the enclosed form of proxy to vote the shares they represent as the Company or the Company’s management may recommend.
 
BY ORDER OF THE BOARD OF DIRECTORS
 
-s- Jack Sexton
 
Jack Sexton
Vice President, Chief Financial Officer and Secretary
 
Dated: April 30, 2007


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(PROXY CARD FRONT)
ULTRA CLEAN HOLDINGS, INC. ANNUAL MEETING OF STOCKHOLDERS Thursday, May 31, 2007 2:00 p.m. Pacific Daylight Time Davis Polk & Wardwell 1600 El Camino Real Menlo Park, CA 94025 Ultra Clean Holdings, Inc. 150 Independence Drive ™ Menlo Park, CA 94025 proxy This proxy is solicited by the Board of Directors for use at the Annual Meeting on Thursday, May 31, 2007. If no choice is specified, the proxy will be voted ‘‘FOR’’ Items 1 and 2. By signing the proxy, you revoke all prior proxies and appoint Clarence L. Granger and Jack Sexton, and each of them acting in the absence of the other, with full power of substitution, to vote your shares on the matters shown on the reverse side and any other matters which may come before the Annual Meeting and all adjournments. See reverse for voting instructions.

 


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(PROXY CARD BACK)
Please detach here The Board of Directors Recommends a Vote FOR Items 1 and 2. 1. Election of directors: 01 Brian R. Bachman 05 David ibnAle h Vote FOR h Vote WITHHELD 02 Susan H. Billat 06 Leonid Mezhvinsky all nominees from all nominees 03 Kevin C. Eichler 07 Thomas M. Rohrs (except as marked) 04 Clarence L. Granger (Instructions: To withhold authority to vote for any indicated nominee, write the number(s) of the nominee(s) in the box provided to the right.) 2. Ratification of the Appointment of Deloitte & Touche LLP as the Independent h For h Against h Abstain Registered Public Accounting Firm of Ultra Clean Holdings, Inc. THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED AS DIRECTED OR, IF NO DIRECTION IS GIVEN, WILL BE VOTED FOR EACH PROPOSAL. Address Change? Mark Box h Indicate changes below: Date Signature(s) in Box Please sign exactly as your name(s) appears on Proxy. If held in joint tenancy, all persons should sign. Trustees, administrators, etc., should include title and authority. Corporations should provide full name of corporation and title of authorized officer signing the proxy.