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    SEC Form 10-Q filed by Ultra Clean Holdings Inc.

    4/29/25 4:06:34 PM ET
    $UCTT
    Semiconductors
    Technology
    Get the next $UCTT alert in real time by email
    uctt-20250328
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    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
    __________________________________________________
    Form 10-Q
    __________________________________________________
    (Mark One)
    x
    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
    For the quarterly period ended March 28, 2025
    or
    o
    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
    For the transition period from____________to
    Commission file number 000-50646
    __________________________________________________

    UCT Logo.jpg
    Ultra Clean Holdings, Inc.
    (Exact name of registrant as specified in its charter)
    __________________________________________________
    Delaware61-1430858
    (State or other jurisdiction of
    incorporation or organization)
    (I.R.S. Employer
    Identification No.)
    26462 Corporate Avenue, Hayward, California
    94545
    (Address of principal executive offices)(Zip Code)
    (510) 576-4400
    Registrant’s telephone number, including area code
    __________________________________________________
    Securities registered pursuant to Section 12(b) of the Act:
    Title of each class
    Trading
    Symbol(s)
    Name of each exchange on which registered
    Common stock, par value $0.001 per shareUCTTThe Nasdaq Stock Market, LLC
    Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  o
    Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  x    No  o
    Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated
    filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.:
    Large accelerated filer
    xAccelerated filero
    Non-accelerated fileroSmaller reporting companyo
    Emerging growth companyo
    If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
    Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No x
    Number of shares outstanding of the issuer’s common stock as of April 25, 2025: 45,149,090



    ULTRA CLEAN HOLDINGS, INC.
    TABLE OF CONTENTS
    Page
    PART I—FINANCIAL INFORMATION
    Item 1.
    Unaudited Condensed Consolidated Financial Statements
    3
    Condensed Consolidated Balance Sheets
    3
    Condensed Consolidated Statements of Operations
    4
    Condensed Consolidated Statements of Comprehensive Income (Loss)
    5
    Condensed Consolidated Statements of Cash Flows
    6
    Condensed Consolidated Statements of Stockholders’ Equity
    7
    Index to Notes to Condensed Consolidated Financial Statements
    8
    Item 2.
    Management's Discussion and Analysis of Financial Condition and Results of Operations
    22
    Item 3.
    Quantitative and Qualitative Disclosures about Market Risk
    29
    Item 4.
    Controls and Procedures
    29
    PART II—OTHER INFORMATION
    Item 1.
    Legal Proceedings
    31
    Item 1A.
    Risk Factors
    31
    Item 2.
    Unregistered Sales of Equity Securities and Use of Proceeds
    31
    Item 3.
    Defaults Upon Senior Securities
    31
    Item 4.
    Mine Safety Disclosures
    31
    Item 5.
    Other Information
    31
    Item 6.
    Exhibits
    32
    SIGNATURES
    33
    - 2 -

    Table of Contents
    PART I. FINANCIAL INFORMATION
    ITEM 1. Financial Statements
    ULTRA CLEAN HOLDINGS, INC.
    CONDENSED CONSOLIDATED BALANCE SHEETS
    (Unaudited)
     March 28,
    2025
    December 27,
    2024
    (In millions, except par value)
    ASSETS
    Current assets:
    Cash and cash equivalents$317.6 $313.9 
    Accounts receivable, net of allowance for credit losses of $1.4 and $2.1 at March 28, 2025 and December 27, 2024, respectively
    217.9 241.1 
    Inventories374.6 381.0 
    Prepaid expenses and other current assets37.7 34.1 
    Total current assets947.8 970.1 
    Property, plant and equipment, net328.6 325.9 
    Goodwill265.3 265.3 
    Intangible assets, net177.6 184.9 
    Deferred tax assets, net3.5 3.1 
    Operating lease right-of-use assets157.2 161.0 
    Other non-current assets11.0 9.6 
    Total assets$1,891.0 $1,919.9 
    LIABILITIES AND STOCKHOLDERS’ EQUITY
    Current liabilities:
    Bank borrowings$10.0 $16.0 
    Accounts payable207.4 212.5 
    Accrued compensation and related benefits39.7 50.1 
    Operating lease liabilities18.6 18.6 
    Other current liabilities37.5 38.4 
    Total current liabilities313.2 335.6 
    Bank borrowings, net of current portion470.9 476.5 
    Deferred tax liabilities16.2 16.1 
    Operating lease liabilities146.9 149.2 
    Other liabilities7.0 6.7 
    Total liabilities954.2 984.1 
    Commitments and contingencies (See Note 9)
    Equity:
    UCT stockholders’ equity:
    Preferred stock — $0.001 par value, 10.0 shares authorized; none outstanding
    — — 
    Common stock — $0.001 par value, 90.0 shares authorized; 46.6 and 46.6 shares issued and 45.1 and 45.1 shares outstanding at March 28, 2025 and December 27, 2024, respectively
    0.1 0.1 
    Additional paid-in capital561.3 558.4 
    Common shares held in treasury, at cost, 1.5 and 1.5 shares at March 28, 2025 and December 27, 2024, respectively
    (45.0)(45.0)
    Retained earnings365.4 370.4 
    Accumulated other comprehensive loss(9.8)(10.3)
    Total UCT stockholders’ equity872.0 873.6 
    Noncontrolling interests64.8 62.2 
    Total equity936.8 935.8 
    Total liabilities and equity$1,891.0 $1,919.9 
    (See accompanying Notes to Condensed Consolidated Financial Statements)
    - 3 -

    Table of Contents
    ULTRA CLEAN HOLDINGS, INC.
    CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
    (Unaudited)
    Three Months Ended
    March 28,
    2025
    March 29,
    2024
    (In millions, except per share amounts)
    Revenues:
    Products$457.0 $418.5 
    Services61.6 59.2 
    Total revenues518.6 477.7 
    Cost of revenues:
    Products390.3 354.0 
    Services44.3 41.1 
    Total cost revenues434.6 395.1 
    Gross margin84.0 82.6 
    Operating expenses:
    Research and development7.6 7.0 
    Sales and marketing14.9 13.7 
    General and administrative48.6 44.6 
    Total operating expenses71.1 65.3 
    Income from operations12.9 17.3 
    Interest income1.1 1.4 
    Interest expense(9.9)(12.2)
    Other income (expense), net0.8 (3.8)
    Income before provision for income taxes4.9 2.7 
    Provision for income taxes7.4 9.9 
    Net loss(2.5)(7.2)
    Less: Net income attributable to noncontrolling interests2.5 2.2 
    Net loss attributable to UCT$(5.0)$(9.4)
    Net loss per share attributable to UCT common stockholders:
    Basic$(0.11)$(0.21)
    Diluted$(0.11)$(0.21)
    Shares used in computing net income loss per share:
    Basic45.144.6
    Diluted45.144.6
    (See accompanying Notes to Condensed Consolidated Financial Statements)
    - 4 -

    Table of Contents
    ULTRA CLEAN HOLDINGS, INC.
    CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
    (Unaudited)
    Three Months Ended
    March 28,
    2025
    March 29,
    2024
    (In millions)
    Net loss$(2.5)$(7.2)
    Other comprehensive income (loss):
    Change in cumulative translation adjustment, net of tax0.6 (4.4)
    Total other comprehensive income (loss)0.6 (4.4)
    Comprehensive loss(1.9)(11.6)
    Comprehensive income (loss), attributable to noncontrolling interests2.6 (0.1)
    Comprehensive loss attributable to UCT$(4.5)$(11.5)
    (See accompanying Notes to Condensed Consolidated Financial Statements)
    - 5 -

    Table of Contents
    ULTRA CLEAN HOLDINGS, INC.
    CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
    (Unaudited)
    Three Months Ended
    March 28,
    2025
    March 29,
    2024
    (In millions)
    Cash flows from operating activities:
    Net loss$(2.5)$(7.2)
    Adjustments to reconcile net loss to net cash provided by operating activities:
    Depreciation and amortization11.7 11.5 
    Amortization of intangible assets7.3 7.7 
    Stock-based compensation2.9 3.5 
    Amortization of debt issuance costs0.6 1.0 
    Change in the fair value of financial instruments(0.1)1.8 
    Deferred income taxes(0.3)(0.7)
    Changes in assets and liabilities:
    Accounts receivable23.1 (13.7)
    Inventories6.4 (13.6)
    Prepaid expenses and other current assets(0.6)(0.8)
    Other non-current assets0.2 0.7 
    Accounts payable(8.5)25.1 
    Accrued compensation and related benefits(10.4)(10.6)
    Income taxes payable(0.7)2.1 
    Operating lease assets and liabilities1.4 (1.1)
    Other liabilities(2.3)4.1 
    Net cash provided by operating activities28.2 9.8 
    Cash flows from investing activities:
    Purchases of property, plant and equipment(12.4)(18.0)
    Proceeds from sale of equipment— 0.1 
    Net cash used in investing activities(12.4)(17.9)
    Cash flows from financing activities:
    Principal payments on bank borrowings(12.0)(4.5)
    Other financing activities(0.2)— 
    Net cash used in financing activities(12.2)(4.5)
    Effect of exchange rate changes on cash and cash equivalents0.1 (1.4)
    Net increase (decrease) in cash and cash equivalents3.7 (14.0)
    Cash and cash equivalents at beginning of period313.9 307.0 
    Cash and cash equivalents at end of period$317.6 $293.0 
    Supplemental cash flow information:
    Income taxes paid, net of income tax refunds$8.6 $8.1 
    Interest paid$12.7 $11.2 
    Non-cash investing and financing activities:
    Property, plant and equipment purchased included in accounts payable and other liabilities$6.8 $7.3 
    (See accompanying Notes to Condensed Consolidated Financial Statements)
    - 6 -

    Table of Contents
    ULTRA CLEAN HOLDINGS, INC.
    CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
    (Unaudited)
    Three Months Ended
    March 28, 2025
    Common Stock
    Treasury shares
    Shares
    Amount
    Additional
    Paid-in
    Capital
    Shares
    Amount
    Retained
    Earnings
    Accumulated
    Other
    Comprehensive
    Income (Loss)
    Total
    Stockholders’
    Equity of UCT
    Noncontrolling
    Interests
    Total
    Equity
    (In millions)
    Balance December 27, 202445.1$0.1 $558.4 1.5$(45.0)$370.4 $(10.3)$873.6 $62.2 $935.8 
    Stock-based compensation expense—— 2.9 ————2.9 —2.9 
    Net income (loss)—— — —— (5.0)— (5.0)2.5 (2.5)
    Other comprehensive income—— — —— — 0.5 0.5 0.1 0.6 
    Balance March 28, 202545.1$0.1 $561.3 1.5$(45.0)$365.4 $(9.8)$872.0 $64.8 $936.8 
    Three Months Ended
    March 29, 2024
    Common Stock
    Treasury shares
    Shares
    Amount
    Additional
    Paid-in
    Capital
    Shares
    Amount
    Retained
    Earnings
    Accumulated
    Other
    Comprehensive
    Income (Loss)
    Total
    Stockholders’
    Equity of UCT
    Noncontrolling
    Interests
    Total
    Equity
    (In millions)
    Balance December 29, 202344.6$0.1 $541.5 1.5$(45.0)$346.7 $(4.4)$838.9 $58.3 $897.2 
    Stock-based compensation expense—— 3.5 —— — — 3.5 — 3.5 
    Net income (loss)—— — — — (9.4)— (9.4)2.2 (7.2)
    Other comprehensive loss—— — —— — (2.1)(2.1)(2.3)(4.4)
    Balance March 29, 202444.6$0.1 $545.0 1.5$(45.0)$337.3 $(6.5)$830.9 $58.2 $889.1 
    - 7 -

    Table of Contents
    ULTRA CLEAN HOLDINGS, INC.
    INDEX TO NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

    Page
    1.
    Organization and Significant Accounting Policies
    9
    2.
    Balance Sheet Information
    10
    3.
    Fair Value
    11
    4.
    Goodwill and Intangible Assets
    12
    5.
    Borrowing Arrangements
    13
    6.
    Income Tax
    14
    7.
    Retirement Plans
    14
    8.
    Commitments and Contingencies
    15
    9.
    Stockholders’ Equity and Noncontrolling Interests
    15
    10.
    Employee Stock Plans
    15
    11.
    Revenue Recognition
    17
    12.
    Leases
    18
    13.
    Net Loss Per Share
    19
    14.
    Reportable Segments
    19
    - 8 -

    Index to Notes
    ULTRA CLEAN HOLDINGS, INC.
    NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
    (Unaudited)
    1. ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES
    Organization — Ultra Clean Holdings, Inc., (the “Company” or “UCT”) a Delaware corporation, was founded in November 2002 and became a publicly traded company on the NASDAQ Global Market in March 2004. The Company is a leading developer and supplier of critical subsystems, components, parts, and ultra-high purity cleaning and analytical services, primarily for the semiconductor industry. UCT offers its customers an integrated outsourced solution for major subassemblies, improved design-to-delivery cycle times, design for manufacturability, prototyping and part and component manufacturing, as well as tool chamber parts cleaning and coating, and micro-contamination analytical services. The Company’s Products business primarily designs, engineers and manufactures production tools, components and parts, and modules and subsystems for the semiconductor and display capital equipment markets. Products include chemical delivery modules, frame assemblies, gas delivery systems, fluid delivery systems, precision robotics, process modules, sub-fab process equipment support racks, as well as other high-level assemblies. The Company’s Services business provides ultra-high purity parts cleaning, process tool part recoating, surface encapsulation and high sensitivity micro contamination analysis primarily for the semiconductor device makers and wafer fabrication equipment markets.
    Basis of Presentation — The unaudited Condensed Consolidated Financial Statements included in this quarterly report on Form 10-Q include the accounts of the Company and its majority-owned subsidiaries and have been prepared in accordance with accounting principles generally accepted in the United States of America, or U.S. GAAP. This financial information reflects all adjustments which are, in the opinion of the Company, normal, recurring and necessary for a fair statement of the results of operations, financial position, and cash flows for the interim periods presented. Certain information and footnote disclosures normally included in our annual financial statements, prepared in accordance with U.S. GAAP, have been condensed or omitted from the interim financial statements in this Quarterly Report on Form 10-Q. Therefore, these unaudited financial statements should be read in conjunction with the Consolidated Financial Statements contained in the Company’s Annual Report on Form 10-K for the year ended December 27, 2024.
    Fiscal Year — The Company uses a 52-53 week fiscal year ending on the Friday nearest December 31. All references to quarters refer to fiscal quarters and all references to years refer to fiscal years.
    Principles of Consolidation — The Company’s Condensed Consolidated Financial Statements include the accounts of the Company and its majority-owned subsidiaries and all intercompany accounts and transactions have been eliminated upon consolidation.
    Significant Accounting Policies — There were no changes to the accounting policies disclosed in Note 1, Organization and Significant Accounting Polices of the Company’s Annual Report on Form 10-K for the year ended December 27, 2024 that had a material impact on the Company’s condensed consolidated financial statements and related notes.
    Accounting Standards Recently Adopted
    In December 2023, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures (“ASU No. 2023-09”). ASU No. 2023-09 enhances the transparency and usefulness of income tax disclosures by requiring consistent categories and greater disaggregation in the rate reconciliation, as well as disaggregation of income taxes paid by jurisdiction. The ASU also includes other amendments aimed at improving the effectiveness of income tax disclosures.
    The Company adopted ASU No. 2023-09 prospectively in the first quarter of fiscal year 2025. The adoption did not have a material impact on the Company’s interim condensed consolidated financial statements but is expected to result in expanded annual income tax disclosures beginning with the Company’s Form 10-K for the fiscal year ending December 26, 2025.
    Accounting Standards Not Yet Adopted
    In November 2024, the FASB issued ASU No. 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses (“ASU No. 2024-03”). ASU No. 2024-03 requires entities to provide disaggregated disclosure of certain expense categories, including but not limited to, inventory purchases, employee compensation, depreciation, amortization, and depletion, within relevant income statement captions.
    - 9 -

    Index to Notes

    In January 2025, the FASB issued ASU No. 2025-01, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date, which confirmed that the guidance in ASU 2024-03 is effective for annual periods beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted. The guidance is to be applied prospectively, although retrospective application is allowed.
    The Company is currently evaluating the impact of ASU 2024-03 and ASU 2025-01 on its financial statement disclosures.
    2. BALANCE SHEET INFORMATION
    Inventories consisted of the following:
    (In millions)March 28,
    2025
    December 27,
    2024
    Raw materials$202.2 $195.4 
    Work in process117.1 130.8 
    Finished goods55.3 54.8 
    Total$374.6 $381.0 
    Property, plant and equipment, net, consisted of the following:
    (In millions)March 28,
    2025
    December 27,
    2024
    Land$5.7 $5.7 
    Buildings52.4 52.2 
    Leasehold improvements134.8 138.7 
    Machinery and equipment223.7 222.4 
    Computer equipment and software76.0 78.2 
    Furniture and fixtures4.9 4.8 
    497.5 502.0 
    Accumulated depreciation(213.4)(214.0)
    Construction in progress44.5 37.9 
    Total$328.6 $325.9 
    Capitalized interest was not significant for the three months ended March 28, 2025, or for the fiscal year ended December 27, 2024.
    - 10 -

    Index to Notes
    3. FAIR VALUE
    The fair value hierarchy requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The following table summarizes, for assets or liabilities measured at fair value, the respective fair value and the classification by level of input within the fair value hierarchy:
    Fair Value Measurement at
    Reporting Date Using
    DescriptionMarch 28, 2025
    Quoted Prices in
    Active Markets for
    Identical Assets
    (Level 1)
    Significant
    Other Observable
    Inputs
    (Level 2)
    Significant
    Unobservable
    Inputs
    (Level 3)
    (In millions)
    Other liabilities:
    Pension obligation$1.9 $— $— $1.9 
    Fair Value Measurement at
    Reporting Date Using
    DescriptionDecember 27, 2024
    Quoted Prices in
    Active Markets for
    Identical Assets
    (Level 1)
    Significant
    Other Observable
    Inputs
    (Level 2)
    Significant
    Unobservable
    Inputs
    (Level 3)
    (In millions)
    Other non-current assets:
    Plan assets$0.1 $— $— $0.1 
    Other liabilities:
    Pension obligation$1.7 $— $— $1.7 
    Contingent earn-out$0.1 $— $— $0.1 
    The estimated fair value of pension obligation is based on expected years of service and average compensation. The valuation model used to value pension obligation utilizes mortality rate, inflation, interest rate risks and changes in the life expectancy for pensioners. These assumptions are routinely made in the appraisal process by the independent actuary resulting in a Level 3 classification. As of March 28, 2025, the Company’s aggregate pension benefit obligations was $12.6 million and the fair value of the pension plan assets was $10.7 million, resulting in underfunded pension benefit obligations of $1.9 million. The Company recognizes the overfunded or underfunded status of defined benefit pension plans, measured as the difference between the fair value of the plan assets and the benefit obligation. Each overfunded plan is recognized as an asset and each underfunded plan is recognized as a liability.
    Prior to March 28, 2025, the Company measured its contingent earn-out liabilities at fair value on a recurring basis using a Monte Carlo simulation model. The significant unobservable inputs used in the model included the forecasted operating profit of the acquired business during the earn-out period ending in calendar year 2025. Significant increases or decreases to the forecasted results would result in a significantly higher or lower liability, with a higher liability capped by the contractual maximum of the contingent earn-out obligation. Ultimately, the liability will be equivalent to the amount paid, and the difference between the fair value estimate and amount paid will be recorded in earnings. The amount paid that is less than or equal to the contingent earn-out liability on the acquisition date is reflected as cash used in financing activities in the consolidated statements of cash flows. Any amount paid in excess of the contingent earn-out liability on the acquisition date will be reflected as cash used in operating activities in the consolidated statements of cash flows.
    As of March 28, 2025, the Company reassessed the fair value of the contingent earn-out associated with the acquisition of HIS, decreasing the fair value from $0.1 million as of December 27, 2024, to zero as of March 28, 2025. The $0.1 million decrease was recorded as Other income (expense), net in the Condensed Consolidated Statements of Operations. The change in fair value was primarily due to lower-than-expected financial performance.
    For the three months ended March 29, 2024, the Company recorded $1.3 million loss related to the change in the fair value of contingent earn-out. This amount was also recorded as other income (expense), net in the Condensed Consolidated Statements of Operations.
    There were no transfers in or out of any level during the three months ended March 28, 2025 and March 29, 2024. Fair value adjustments were noncash, and therefore did not impact the Company’s liquidity or capital resources.
    - 11 -

    Index to Notes
    4. GOODWILL AND INTANGIBLE ASSETS
    Goodwill
    Goodwill represents the excess of the consideration transferred over the fair value of the tangible and identifiable intangible assets acquired, less the liabilities assumed in a business combination. There were no changes in the carrying amount of goodwill by segment during the three months ended March 28, 2025.
    Details of aggregate goodwill of the Company are as follows:
    (In millions)ProductsServicesTotal
    Balance at March 28, 2025$191.8 $73.5 $265.3 
    Historically, the Products segment was organized into four reporting units, Fluid Solutions, HIS, Fluid Delivery Systems and Core Products. The Company reevaluated its reporting units and determined that as of December 28, 2024, HIS no longer qualified as a separate reporting unit. As a result, since that date, HIS and Core Products are combined in a single reporting unit. Accordingly, the Company performed the required impairment assessments directly before and immediately after the change in reporting units and concluded that it was not more likely than not that the fair values of any of the Company’s previous or new reporting units were less than their respective carrying amounts. During the three months ended March 28, 2025, the Company did not recognize any impairment charges or additions to goodwill.
    Intangible Assets
    Intangible assets are generally recorded in connection with a business acquisition. The Company evaluates the useful lives of its intangible assets each reporting period to determine whether events and circumstances require revising the remaining period of amortization. In addition, the Company reviews finite-lived intangible assets for impairment whenever events or changes in circumstances indicate the carrying value may not be recoverable and evaluates indefinite-lived intangible asset for impairment annually, or more frequently if indicators of potential impairment exist. Management considers such indicators as significant differences in product demand from the estimates, changes in the competitive and economic environment, technological advances, and changes in cost structure.
    Details of intangible assets were as follows:
    As of March 28, 2025As of December 27, 2024
    (Dollars in millions)Useful Life
    (In years)
    Gross
    Carrying
    Amount
    Accumulated
    Amortization
    Carrying
    Value
    Gross
    Carrying
    Amount
    Accumulated
    Amortization
    Carrying
    Value
    Customer relationships
    6 - 10
    $207.2 $(122.2)$85.0 $207.2 $(117.4)$89.8 
    Recipes2073.2 (24.1)49.1 73.2 (23.2)50.0 
    Intellectual property/know-how
    7 - 15
    48.9 (23.9)25.0 48.9 (22.8)26.1 
    Tradename
    4 - 6*
    32.5 (23.1)9.4 32.5 (22.9)9.6 
    Standard operating procedures208.6 (2.8)5.8 8.6 (2.7)5.9 
    Developed technology54.6 (1.3)3.3 4.6 (1.1)3.5 
    Total $375.0 $(197.4)$177.6 $375.0 $(190.1)$184.9 
    *The Company concluded that the asset life of UCT tradename of $9.0 million is indefinite and is therefore not amortized but is reviewed for impairment at least annually and whenever events or changes in circumstances indicate that the carrying value of an asset may not be recoverable.
    The Company amortizes its intangible assets on a straight-line or accelerated basis over the estimated economic life of the assets. Amortization expense was approximately $7.3 million and $7.7 million for the three months ended March 28, 2025 and March 29, 2024, respectively. Amortization expense related to recipes, standard operating procedures, developed technology and certain intellectual property/know-how is charged to cost of revenues and the remainder is charged to
    - 12 -

    Index to Notes
    general and administrative expense. As of March 28, 2025, future estimated amortization expense is expected to be as follows:
    (In millions)Amortization
    Expense
    2025 (remaining in year)$20.8 
    202627.2 
    202726.9 
    202823.8 
    202916.2 
    Thereafter53.7 
    Total$168.6 
    5. BORROWING ARRANGEMENTS
    On October 8, 2024, the Company entered into the Seventh Amendment to its Credit Agreement, originally dated August 27, 2018, as amended. The Seventh Amendment, among other changes, reduced the interest rate on the term loan facility by 0.25% per annum.
    The term loan facility has a maturity date of February 25, 2028. The Company pays monthly interest payments in arrears and quarterly principal payments of 0.625% of the outstanding principal balance since October 8, 2024, with the remaining principal paid upon maturity.
    The revolving credit facility has aggregate commitments of $150.0 million and a maturity date of August 27, 2027. The Company pays a quarterly commitment fee in arrears equal to 0.25% of the average daily available commitment outstanding. Outstanding letters of credit reduce the availability of the revolving credit facility and, as of March 28, 2025, the Company had $146.4 million, net of $3.6 million of outstanding letters of credit, available under this revolving credit facility.
    The letter of credit facility has an available commitment of $50.0 million and a maturity date of August 27, 2027. The Company pays a quarterly fee in arrears on the dollar equivalent of all outstanding letters of credit equal to the applicable margin for the revolving credit facility, and a fronting fee equal to 0.125% of the undrawn and unexpired amount of each letter of credit. As of March 28, 2025, the Company had $3.6 million of outstanding letters of credit and $46.4 million of available commitments remaining under the letter of credit facility.
    Under the Credit Agreement, the Company may elect that the Term Loan bear interest at a rate per annum equal to either (a) “ABR” (as defined in the Credit Agreement), plus the applicable margin or (b) the “Term SOFR” (as defined in the Credit Agreement), plus the applicable margin. The applicable margin for the Term Loan is equal to a rate per annum equal to either (i) at any time that the Company’s corporate family rating is Ba3 (with a stable outlook) or higher from Moody’s and BB- (with a stable outlook) or higher from S&P, (x) 3.00% for such Term SOFR loans and (y) 2.00% for such ABR term loans or (ii) at all other times, (x) 3.25% for such Term SOFR loans and (y) 2.25% for such ABR term loans. Interest on the Term Loan is payable on (1) in the case of such ABR term loans, the last day of each calendar quarter and (2) in the case of such Term SOFR loans, the last day of each relevant interest period and, in the case of any interest period longer than three months, on each successive date three months after the first day of such interest period.
    At March 28, 2025, the Company had an outstanding amount under the Term Loan of $487.5 million, gross of unamortized debt issuance costs of $6.6 million. As of March 28, 2025, the interest rate on the outstanding Term Loan was 7.6%.
    The Credit Agreement requires the Company to maintain certain financial covenants including a minimum consolidated fixed charge coverage ratio and a maximum consolidated leverage ratio as of the last day of any fiscal quarter. The Company currently has no revolving loans outstanding under the Credit Agreement. As of March 28, 2025, the Company was in compliance with the financial covenants contained within the Credit Agreement.
    The Company maintains credit agreements with a local bank in Czechia and with a financial institution in Israel, which provide for revolving credit facilities of up to 7.0 million euros (approximately $7.5 million) and $5.0 million, respectively. As of March 28, 2025, there were no borrowings outstanding under these facilities.
    As of March 28, 2025, the Company’s total bank debt was $480.9 million, net of unamortized debt issuance costs of $6.6 million. As of March 28, 2025, the Company had $146.4 million, $5.0 million, and $7.5 million available to draw from its credit facilities in the U.S., Israel and Czechia, respectively.
    - 13 -

    Index to Notes
    The fair value of the Company’s long-term debt is based on Level 2 inputs, and was determined using quoted prices for similar instruments in inactive markets. The Company’s carrying value approximates fair value for the Company’s long-term debt.
    6. INCOME TAX
    The Company’s effective tax rate was 151.0% and 366.7% for the three months ended March 28, 2025 and March 29, 2024, respectively. The income tax provision was $7.4 million and $9.9 million for the three months ended March 28, 2025 and March 29, 2024, respectively. The change in respective tax rates reflects, primarily, changes in the geographic mix of worldwide earnings and financial results in jurisdictions which are taxed at different rates and the impact of losses in jurisdictions with full valuation allowances on deferred tax assets. Company management continuously evaluates the need for a valuation allowance and, as of March 28, 2025, concluded that a full valuation allowance on its U.S. federal and state and certain of its foreign deferred tax assets was still appropriate.
    As of March 28, 2025 and March 29, 2024, the Company’s gross liability for unrecognized tax benefits, excluding interest, was $2.4 million and $2.9 million, respectively. Increases or decreases to interest and penalties on uncertain tax positions are included in the income tax provision in the Condensed Consolidated Statements of Operations. Although it is possible that some of the unrecognized tax benefits could be settled within the next twelve months, the Company cannot reasonably estimate the outcome at this time.
    The Organization for Economic Co-operation and Development and the G20 Inclusive Framework on Base Erosion and Profit Shifting (the “Inclusive Framework”) have put forth Pillar Two proposals that ensure a minimal level of taxation. Several countries in which the Company operates have adopted legislation to implement the Inclusive Framework’s global corporate minimum tax rate of fifteen percent. This legislation became effective in certain jurisdictions the Company operates in for the current fiscal year, ending December 26, 2025. Based on the Company’s current analysis of the enacted Pillar Two provisions and transitional safe harbor provisions, Pillar Two will not have a significant impact on the Company's financial statements for fiscal year 2025
    7. RETIREMENT PLANS
    Defined Benefit Plans
    Cinos Korea has a noncontributory defined benefit pension plan covering substantially all of its employees upon their retirement. The Company’s entities in Israel also have noncontributory defined benefit pension plans covering their employees upon their retirement. The benefits for these plans are based on expected years of service and average compensation. The net period costs are recognized as employees render the services necessary to earn the postretirement benefits. The Company records annual amounts relating to the pension plan based on calculations that incorporate various actuarial and other assumptions, including discount rates, mortality, assumed rates of return, compensation increases and turnover rates. The Company reviews its assumptions on an annual basis and makes modifications to the assumptions based on current and expected rates of return and trends when it is appropriate to do so. The effect of modifications to those assumptions is recorded in accumulated other comprehensive income and amortized to net periodic cost over future periods using the corridor method. The Company believes that the assumptions utilized in recording its obligations under the plans are reasonable based on its experience and market conditions.
    As of March 28, 2025, the benefit obligation of the plans was $12.6 million and the fair value of the benefit plan assets was $10.7 million which are invested in several fixed deposit accounts with financial institutions. As of March 28, 2025, the underfunded balance of the plans of $1.9 million has been recorded by the Company and is included in other liabilities.
    Amounts recognized in accumulated other comprehensive income (loss) and contributions made for the three months ended March 28, 2025 and March 29, 2024 were negligible.
    As of March 28, 2025, the Company’s future estimated payment obligations for the respective fiscal years are as follows:
    - 14 -

    Index to Notes
    (In millions)
    2025$1.6 
    20261.7 
    20272.6 
    20281.3 
    20291.2 
    Thereafter11.2 
    Total$19.6 
    Employee Savings and Retirement Plan
    The Company sponsors a 401(k) savings and retirement plan (the “401(k) Plan”) for all U.S. employees who meet certain eligibility requirements. Participants can elect to contribute to the 401(k) Plan, on a pre-tax basis, up to 25% of their salary to a maximum of the IRS limit. The Company matches 50.0% of each employee's contribution, up to a maximum of 6% of the employee’s eligible earnings. The Company made discretionary employer contributions of $1.0 million to the 401(k) Plan for each of the three months ended March 28, 2025 and March 29, 2024.
    8. COMMITMENTS AND CONTINGENCIES
    Commitments
    The Company leases real estate and equipment under various non-cancelable operating leases.
    Contingencies
    From time to time, the Company is subject to various legal proceedings and claims, either asserted or unasserted, that arise in the ordinary course of business. Although the outcome of the various legal proceedings and claims individually or in the aggregate cannot be predicted with certainty, the Company has not had a history of outcomes to date that have been material to the Condensed Consolidated Statements of Operations and does not believe that any of these proceedings or other claims will have a material adverse effect on its consolidated financial condition, results of operations or cash flows.
    9. STOCKHOLDERS’ EQUITY AND NONCONTROLLING INTERESTS
    Treasury Stock
    On October 20, 2022, the Board of Directors approved a share repurchase program authorizing the Company to purchase up to an aggregate of $150 million of the Company’s common stock over a three-year period. No shares were repurchased under this program for the three months ended March 28, 2025 and March 29, 2024.
    As of March 28, 2025, 1.4 million shares had been repurchased under the program and they are held in treasury stock. The Company records treasury stock using the cost method. The Company may reissue these treasury shares as part of its stock-based compensation programs.
    Non-controlling Interests
    The Company owns part of the outstanding shares of Cinos Korea, a South Korean company that provides outsourced cleaning and recycling of precision parts for the semiconductor industry through its operating facilities in South Korea and through a partial interest in Cinos China.
    The carrying value of the remaining interest held by another shareholder in Cinos Korea and the remaining interest in Cinos China are presented as noncontrolling interests in the accompanying Condensed Consolidated Financial Statements. The noncontrolling interests were estimated based on the values of Cinos Korea and Cinos China on a 100% basis. The values were calculated based on the pro-rata portion of total Services earnings before interest expense, taxes, depreciation and amortization contributed by each entity.
    10. EMPLOYEE STOCK PLANS
    Employee Stock Plans
    - 15 -

    Index to Notes
    The Company grants stock awards in the form of restricted stock units (“RSUs”) and performance stock units (“PSUs”) to its employees as part of the Company’s long-term equity compensation plan. These stock awards are granted to employees with a unit purchase price of zero dollars and typically vest over three years, subject to the employee’s continued service with the Company and, in the case of PSUs, subject to achieving certain performance goals and market conditions. The Company also grants common stock to its board members in the form of restricted stock awards (“RSAs”), which vest on the earlier of the next Annual Shareholder Meeting, or 365 days from date of grant. The aggregate number of shares authorized for issuance under the plan is 1.3 million.
    Stock-based compensation expense includes compensation costs related to estimated fair values of awards granted. The estimated fair value of the Company’s equity-based awards is amortized on a straight-line basis over the awards’ vesting period and is adjusted for performance as it relates to PSUs.
    The following table shows the Company’s stock-based compensation expense included in the Condensed Consolidated Statements of Operations:
    Three Months Ended
    (In millions)March 28,
    2025
    March 29,
    2024
    Cost of revenues (1)$0.4 $0.4 
    Research and development0.1 0.1 
    Sales and marketing0.5 0.4 
    General and administrative1.9 2.6 
    Total stock-based compensation$2.9 $3.5 
    (1)Stock-based compensation expense capitalized in inventory for the three months ended March 28, 2025 and March 29, 2024 were immaterial.
    For the three months ended March 28, 2025 and March 29, 2024, 51 thousand and 24 thousand RSUs were granted with a weighted average fair value of $25.61 and $44.21 per share, respectively.
    No PSUs were granted for the three months ended March 28, 2025 and March 29, 2024.
    For the three months ended March 28, 2025, 1 thousand RSAs were granted with a weighted fair value of $24.96. No RSAs were granted for the three months ended March 29, 2024.
    The following table summarizes the Company’s combined RSU, PSU and RSA activity for the three months ended March 28, 2025:
    (In millions)Number of
    Shares
    Aggregate
    Intrinsic
    Value
    Outstanding at December 27, 20241.4$52.0 
    Granted0.1
    Vested0.0 
    Forfeited(0.4)
    Outstanding at March 28, 20251.1 24.9 
    Expected to vest at March 28, 20251.1$24.8 
    As of March 28, 2025, approximately $21.8 million of unrecognized stock-based compensation cost related to employee and director awards remains to be amortized on a straight-line basis over a weighted average period of 1.6 years, and will be adjusted for subsequent changes in future grants. The total unamortized expense of the Company’s unvested RSAs as of March 28, 2025 was $0.2 million.
    Under the current PSU program, performance goals are set at the time of grant and performance is reviewed at the end of a three-year period. The percentage to be applied to each participant’s target award ranges from zero to 200%, based upon the extent to which the financial performance goals are achieved. If specific performance threshold levels for the financial goals are met on an annual basis, the amount earned for that element will be applied to one-third of the participant’s PSU award granted to determine the number of total units earned.
    Recipients of PSU awards generally must remain employed by the Company on a continuous basis through the end of the three-year performance period in order to receive any amount of the PSUs covered by that award. In events such as death, disability or retirement, the recipient may be entitled to pro-rata amounts of PSUs as defined in the Plan. Target shares
    - 16 -

    Index to Notes
    subject to PSU awards do not have voting rights of common stock until earned and issued following the end of the three-year performance period.
    Employee Stock Purchase Plan
    The ESPP permits employees to purchase common stock at a discount through payroll withholdings at certain specified dates (purchase period) within a defined offering period. The purchase price is 85% of the fair market value of the common stock at the end of the purchase period and is intended to qualify as an “employee stock purchase plan” under Section 423 of the Internal Revenue Code. The aggregate number of shares authorized for issuance under the plan is 1.1 million.
    The Company recorded $0.2 million of expense related to ESPP for each of the three months ended March 28, 2025 and March 29, 2024. No shares were issued under the ESPP during either of these periods.
    11. REVENUE RECOGNITION
    Revenue is recognized when the Company satisfies the performance obligations as evidenced by the transfer of control of the promised goods or services to the Company’s customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services.
    The Company sells its products and services primarily to customers in the semiconductor capital equipment industry. The Company’s revenues are highly concentrated and therefore highly dependent upon a small number of customers. Typical payment terms with our customers range from thirty to sixty days.
    The Company’s Products business segment provides warranty on its products for a period of up to two years and provides for warranty costs at the time of sale based on historical activity. Determination of the warranty reserve requires the Company to make estimates of product return rates and expected costs to repair or replace the products under warranty. If actual return rates and/or repair and replacement costs differ significantly from these estimates, adjustments to recognize additional cost of revenues may be required in future periods. The warranty reserve is included in other current liabilities on the Condensed Consolidated Balance Sheets and is not considered significant.
    The Company’s products are manufactured and services provided at the Company’s locations throughout the Americas, Asia Pacific and Europe and the Middle East (“EMEA”). Sales to customers are initiated through a purchase order and are governed by our standard terms and conditions, written agreements, or both. Revenue is recognized when performance obligations under the terms of an agreement with a customer are satisfied; generally, this occurs with the transfer of control of the products or when the Company provides the services. Based on the enforceable rights included in our agreements or prevailing terms and conditions, products produced by the Company without an alternative use are not protected by an enforceable right of payment that includes a reasonable profit throughout the duration of the agreement. Consignment sales are recognized in revenue at the earlier of the period that the goods are consumed or after a period of time subsequent to receipt by the customer as specified by terms of the agreement, provided control of the promised goods or services has transferred.
    Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales, value-add, and other taxes we collect concurrent with revenue-producing activities are excluded from revenue. Certain of our customers may receive cash-based incentives, such as rebates or credits, which are accounted for as variable consideration. We estimate these amounts based on the expected amount to be provided to customers and reduce revenues recognized. As of March 28, 2025, the total unpaid rebates amounted to $2.3 million, of which $0.6 million was recorded as a reduction to accounts receivable, and $1.7 million was recorded within accounts payable. Accruals for unpaid customer rebates of $2.3 million as of December 27, 2024, were netted against accounts receivable. The Company’s disaggregated revenues are apportioned by segments within the Company’s Condensed Consolidated Statement of Operations. Certain services performed by the Company related to products sold to customers are included in Products revenue in the Condensed Consolidated Statement of Operations. These services are not material for any of the periods presented.
    The Company’s principal markets include Americas, Asia Pacific and EMEA. The Company’s foreign operations are conducted primarily through its subsidiaries in China, Malaysia, Singapore, Israel, Taiwan, South Korea, the United
    - 17 -

    Index to Notes
    Kingdom and the Czechia. Revenues by geographic area are categorized based on the customer’s location to which the products were shipped or services were performed. The following table sets forth revenue by geographic area (in millions):
    Three Months Ended
    March 28,
    2025
    March 29,
    2024
    Singapore$203.60 $157.3 
    United States119.8 141.0 
    China33.3 54.9 
    Austria46.1 37.5 
    South Korea29.7 23.6 
    Malaysia24.5 7.2 
    Taiwan13.3 15.5 
    Others48.3 40.7 
    Total$518.6 $477.7 
    The Company’s most significant customers (having individually accounted for 10% or more of revenues) are from Products segment and their related revenues as a percentage of total revenues were as follows:
    Three Months Ended
    March 28,
    2025
    March 29,
    2024
    Lam Research Corporation36.1 %31.4 %
    Applied Materials, Inc.22.8 22.7 
    Total58.9 %54.1 %
    Two customers’ gross accounts receivable balances, Lam Research Corporation and ASML Holding NV, were individually greater than 10% of gross accounts receivable as of March 28, 2025, in the aggregate approximately 26.7% of the Company’s total gross accounts receivable.
    Three customers’ gross accounts receivable balances, Applied Materials, Inc., Lam Research Corporation and ASML Holding NV were individually greater than 10% of gross accounts receivable as of December 27, 2024, in the aggregate approximately 41.9% of total gross accounts receivable.
    12. LEASES
    The Company leases land, offices, facilities and equipment in locations throughout the United States, Asia Pacific and EMEA.
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    Index to Notes
    13. NET LOSS PER SHARE
    Potential common shares from employee stock plans totaling 0.3 million and 0.5 million for the three months ended March 28, 2025 and March 29, 2024, respectively, were excluded from the computation of diluted loss per share because their effect would have been antidilutive due to the net loss incurred in those periods.
    The table below presents the calculation of basic and diluted loss per share:
    Three Months Ended
    (In millions, except share amounts)March 28,
    2025
    March 29,
    2024
    Numerator:
    Net loss attributable to UCT$(5.0)$(9.4)
    Denominator:
    Basic weighted average common shares outstanding45.144.6
    Diluted weighted average common shares outstanding45.144.6
    Net loss per share attributable to UCT:
    Basic$(0.11)$(0.21)
    Diluted$(0.11)$(0.21)
    14. REPORTABLE SEGMENTS
    The Company’s Chief Executive Officer is the Company’s chief operating decision maker (CODM). The CODM primarily uses income from operations to evaluate each segment’s performance and allocate resources, primarily through periodic budgeting and segment performance reviews. Significant expenses within segment operating profit include cost of revenue, research and development, and selling, general and administrative expenses, which are each separately presented on the Company’s Condensed Consolidated Statements of Operations.
    The Company’s reportable segments are determined based on the nature of their revenue streams and the Company’s internal organization structure.
    The Company prepared financial results based on two operating segments (Products and Services) and two reportable segments (Products and Services).
    The following table describes each segment:
    SegmentProduct or ServicesPrimary Markets ServedGeographic Areas
    ProductsAssembly
    Weldments
    Machining
    Fabrication
    Semiconductor
    Americas
    Asia Pacific
    EMEA
    ServicesCleaning
    Analytics
    Coating
    Semiconductor
    Americas
    Asia Pacific
    EMEA
    The CODM uses segment operating profit or loss to evaluate performance and to allocate capital resources. Segment operating profit or loss is defined as a segment’s income or loss from continuing operations before interest and other income (expense), net and provision for income taxes. Any intercompany sales and associated profit (and any other intercompany items) are eliminated from segment results.
    Segment Data
    Three Months Ended
    (In millions)March 28,
    2025
    March 29,
    2024
    Revenues:
    Products$457.0 $418.5 
    Services61.6 59.2 
    Total segment revenues$518.6 $477.7 
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    Index to Notes
    Cost of revenues:
    Products$390.3 $354.0 
    Services44.3 41.1 
    Total segment cost of revenues$434.6 $395.1 
    Operating expenses:
    Products
    Research and development$5.2 $4.6 
    Sales and marketing12.011.0
    General and administrative39.434.2
    Total Products operating expenses$56.6 $49.8 
    Services
    Research and development$2.4 $2.4 
    Sales and marketing2.92.7
    General and administrative9.2 10.4 
    Total Services operating expenses$14.5 $15.5 
    Total segment operating expenses$71.1 $65.3 
    Segment operating profit:
    Products$10.1 $14.7 
    Services2.8 2.6 
    Total segment operating profit$12.9 $17.3 
    Reconciliation of segment operating profit:
    Total segment operating profit$12.9 $17.3 
    Interest income1.11.4
    Interest expense(9.9)(12.2)
    Other income (expense), net0.8 (3.8)
    Income before provision for income taxes$4.9 $2.7 
    Expenditures for segment property, plant and equipment
    Products$9.3 $11.7 
    Services3.2 6.3 
    Total expenditures for segment assets$12.5 $18.0 
    Depreciation and amortization
    Products$12.7 $13.1 
    Services6.4 6.1 
    Total depreciation and amortization$19.1 $19.2 
    (In millions)March 28,
    2025
    December 27,
    2024
    Assets
    Products$1,626.4 $1,657.0 
    Services264.6 262.9 
    Total segment assets$1,891.0 $1,919.9 
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    Index to Notes
    Long-lived assets comprised of operating lease right-of-use assets and property, plant and equipment, net, are reported based on the location of the asset. The carrying amount of long-lived assets in United States, Malaysia, Israel, South Korea and other foreign countries were $176.1 million, $83.8 million, $75.4 million, $49.3 million and $101.2 million, respectively as of March 28, 2025, and $176.9 million, $83.2 million, $75.2 million, $49.8 million and $101.8 million, respectively as of December 27, 2024.
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    ITEM 2. Management’s Discussion And Analysis of Financial Condition And Results Of Operations
    You should read the following discussion of our financial condition and results of operations in conjunction with the Condensed Consolidated Financial Statements and the notes thereto included elsewhere in this Quarterly Report on Form 10-Q and in our Annual Report on Form 10-K filed with the SEC on February 25, 2025. This Quarterly Report on Form 10-Q contains “forward-looking statements” that involve substantial risks and uncertainties. The statements contained in this Quarterly Report on Form 10-Q that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended, including, but not limited to, statements regarding our expectations, beliefs, intentions, strategies, future operations, future financial position, future revenue, projected expenses, gross margins and plans and objectives of management. In some cases, you can identify forward-looking statements by terms such as “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “might,” “plan,” “project,” “will,” “would,” “should,” “could,” “can,” “predict,” “potential,” “continue,” “objective,” or the negative of these terms, and similar expressions intended to identify forward-looking statements. However, not all forward-looking statements contain these identifying words. These forward-looking statements reflect our current views about future events and involve known risks, uncertainties and other factors that may cause our actual results, performance or achievement to be materially different from those expressed or implied by the forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those identified below, and those discussed in the section titled “Risk Factors” included in this Quarterly Report on Form 10-Q and in our Annual Report on Form 10-K filed with the SEC on February 25, 2025. Furthermore, such forward-looking statements speak only as of the date of this report. Except as required by law, we undertake no obligation to update any forward-looking statements to reflect events or circumstances after the date of such statements.
    Overview
    Ultra Clean Holdings, Inc., (“UCT”, the “Company” or “We”) is a leading developer and supplier of critical subsystems, components, parts, and ultra-high purity cleaning and analytical services primarily for the semiconductor industry. UCT offers its customers an integrated outsourced solution for major subassemblies, improved design-to-delivery cycle times, design for manufacturability, prototyping and part and component manufacturing, as well as tool chamber parts cleaning and coating, and micro-contamination analytical services. We report results for two segments: Products and Services. Our Products segment primarily designs, engineers and manufactures production tools, components and parts, and modules and subsystems for the semiconductor and display capital equipment markets. Products include chemical delivery modules, frame assemblies, gas delivery systems, fluid delivery systems, precision robotics, process modules as well as other high-level assemblies. Our Services segment provides ultra-high purity parts cleaning, process tool part recoating, surface encapsulation and high sensitivity micro contamination analysis primarily for the semiconductor device makers and wafer fabrication equipment (“WFE”) markets.
    We ship a majority of our products and provide most of our services to U.S. registered customers with both domestic and international locations. In addition to U.S. manufacturing and service operations, we manufacture products and provide parts cleaning and other related services in our Asia Pacific, Europe and Middle East (“EMEA”) facilities to support local and U.S. based customers. We conduct our operating activities primarily through our subsidiaries.
    Over the long term, we believe the semiconductor market we serve will continue to grow due to multi-year industry demand from a broad range of drivers, such as new process architecture (e.g. gate all around) and memory devices (e.g. high bandwidth memory) necessary for cloud, artificial intelligence (“AI”) and machine learning (“ML”) applications. We also believe that semiconductor original equipment manufacturers (“OEM”) are increasingly relying on partners like UCT to fulfill their expanding capacity requirements. Additionally, our Services business is benefiting as device manufacturers rely on precision cleaning and coating to achieve ever more advanced devices.
    Critical Accounting Estimates
    Our Condensed Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States, which require us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses and related disclosure at the date of our Condensed Consolidated Financial Statements. On an ongoing basis, we evaluate our estimates and judgments, including those related to inventories, income taxes, business combinations, contingent earn-out liabilities and goodwill, intangible assets and long-lived assets. We base our estimates and judgments on historical experience and on various other factors that we believe to be reasonable under the circumstances, the results of which form the basis of our judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates. We consider certain accounting policies related to revenue recognition, inventory valuation, accounting for income taxes, business combinations, valuation of goodwill, intangible assets and long-lived assets to be critical policies due to the estimates and judgments involved in each.
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    There have been no significant changes to our critical accounting policies, significant judgments and estimates disclosed in our Annual Report on Form 10-K subsequent to December 27, 2024. For further information on our critical and other significant accounting policies and estimates, see Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our Annual Report on Form 10-K for the fiscal year ended December 27, 2024, as filed with the SEC.
    Results of Operations
    Fiscal Year
    Our fiscal year is the 52- or 53-week period ending on the Friday nearest December 31. Fiscal year 2025 is a 52-week period ending December 26, 2025 and fiscal year 2024 was a 52-week ended December 27, 2024. The fiscal quarters ended March 28, 2025 and March 29, 2024 were both 13-week periods.
    Discussion of Results of Operations for the Three months ended March 28, 2025 compared to the Three months ended March 29, 2024
    Revenues
    Three Months Ended
    Revenues by Segment
    (Dollars in millions)
    March 28,
    2025
    March 29,
    2024
    Percent
    Change
    Products$457.0$418.59.2 %
    Services61.659.24.1 %
    Total revenues$518.6$477.78.6 %
    Products as a percentage of total revenues88.1 %87.6 %
    Services as a percentage of total revenues11.9 %12.4 %
    For the three-month period ended March 28, 2025, Products revenues increased compared to the same period in the prior year. The increase in Products revenues was primarily due to an increase in customer demand, along with an overall market improvement in the semiconductor industry.
    Services revenues increased for the three-month period ended March 28, 2025 compared to the same period in the prior year primarily due to an increase in demand across its customer base.
    Three Months Ended
    Revenues by Geography
    (Dollars in millions)
    March 28,
    2025
    March 29,
    2024
    Percent
    Change
    United States$119.8$141.0(15.0)%
    International398.8336.718.4 %
    Total revenues$518.6$477.78.6 %
    United States as a percentage of total revenues23.1 %29.5 %
    International as a percentage of total revenues76.9 %70.5 %
    Revenues by geographic area are categorized based on the customer’s location to which the products were shipped or services were performed.
    For the three months ended March 28, 2025, U.S. revenues decreased compared to the same period in the prior year, primarily due to a shift of product revenues from U.S. to international markets.
    International revenues increased for the three months ended March 28, 2025 compared to the same period in the prior year, primarily as a result of market improvement driving higher customer demand.
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    Cost of Revenues
    Three Months Ended
    Cost of revenues by Segment
    (Dollars in millions)
    March 28,
    2025
    March 29,
    2024
    Percent
    Change
    Products$390.3$354.010.3 %
    Services44.341.17.8 %
    Total Cost of revenues$434.6$395.110.0 %
    Products cost as a percentage of total Products revenues85.4 %84.6 %
    Services cost as a percentage of total Services revenues71.9 %69.4 %
    Cost of Products revenues consists of purchased materials, direct labor and manufacturing overhead. For the three-month period ended March 28, 2025, Cost of Products revenues increased by $36.3 million compared to the same period in the prior year. The increase was primarily driven by higher sales volumes, which resulted in a $30.7 million increase in material costs. The remaining increase was attributable to higher labor and overhead costs associated with increased production activity.
    Services Cost of revenues consists of direct labor, overhead, and materials such as chemicals, gases and consumables. For the three-month period ended March 28, 2025, Services Cost of revenues increased by $3.2 million compared to the same period in the prior year. The increase was driven by a higher volume of service orders, which resulted in increased labor costs of $1.7 million and overhead cost of $1.6 million.
    Gross Margin
    Three Months Ended
    Gross Profit by Segment
    (Dollars in millions)
    March 28,
    2025
    March 29,
    2024
    Percent
    Change
    Products$66.7$64.53.4  %
    Services17.318.1(4.4) %
    Gross profit$84.0$82.61.7  %
    Gross Margin by Segment
    Products14.6 %15.4 %
    Services28.1 %30.6 %
    Total Company16.2 %17.3 %
    Gross profit and gross margins fluctuate with revenue levels, product mix, material costs, and labor costs.
    Products gross profit increased for the three-month period ended March 28, 2025 compared to the same period in the prior year primarily due to higher revenue levels. However, Products gross margin decreased primarily due to an unfavorable product mix and a shift in sales volumes across different geographic regions.
    Services gross profit and gross margin decreased for the three-month period ended March 28, 2025 compared to the same period in the prior year. The decrease was primarily due to higher fixed costs which did not scale proportionately with the increase in Services revenue.
    Operating Margin
    Three Months Ended
    Operating Profit by Segment
    (Dollars in millions)
    March 28,
    2025
    March 29,
    2024
    Percent
    Change
    Products$10.1$14.7(31.3) %
    Services2.82.67.7  %
    Operating profit$12.9$17.3(25.4) %
    Operating Margin by Segment
    Products2.2 %3.5 %
    Services4.5 %4.4 %
    Total Company2.5 %3.6 %
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    Operating profit and operating margin of Products decreased for the three-month period ended March 28, 2025 compared to the same period in the prior year. The decrease was primarily due to higher employee-related expenses, which were driven by increased compensation costs. These included annual salary increases, higher incentive compensation, and separation costs associated with the resignation of the Company’s former Chief Executive Officer (CEO).
    Operating profit and operating margin of Services were consistent for the three-month period ended March 28, 2025 compared to the same period in the prior year.
    Research and Development
    Three Months Ended
    (Dollars in millions)March 28,
    2025
    March 29,
    2024
    Percent
    Change
    Research and development$7.6$7.08.6  %
    Research and development as a percentage of total revenues1.5 %1.5 %
    Research and development expenses remained consistent for the three-month period ended March 28, 2025 compared to the same period in the prior year.
    Sales and Marketing
    Three Months Ended
    (Dollars in millions)March 28,
    2025
    March 29,
    2024
    Percent
    Change
    Sales and marketing$14.9$13.78.8  %
    Sales and marketing as a percentage of total revenues2.9 %2.9 %
    Sales and marketing expenses increased for the three-month period ended March 28, 2025 compared to the same period in the prior year primarily due to higher employee-related expenses.
    General and Administrative
    Three Months Ended
    (Dollars in millions)March 28,
    2025
    March 29,
    2024
    Percent
    Change
    General and administrative$48.6$44.69.0  %
    General and administrative as a percentage of total revenues9.4 %9.3 %
    General and administrative expenses increased $4.0 million in the three-month period ended March 28, 2025 compared to the same period in the prior year. The increase was primarily driven by non-recurring separation costs related to the resignation of the Company’s CEO, as well as an increase in employee-related expenses due to higher compensation costs, including annual salary increases and higher incentive compensation accruals. These increases were partially offset by a decrease in stock-based compensation expense resulting from the forfeiture of restricted stock units and performance stock units following the former CEO’s resignation.
    Interest and Other Expense, net
    Three Months Ended
    (Dollars in millions)March 28,
    2025
    March 29,
    2024
    Percent
    Change
    Interest income$1.1 $1.4 (21.4) %
    Interest expense$(9.9)$(12.2)(18.9) %
    Other income (expense), net$0.8 $(3.8)(121.1) %
    Interest income was consistent in the three-month period ended March 28, 2025 compared to the same period in the prior year.
    Interest expense decreased for the three-month period ended March 28, 2025 compared to the same period in the prior year primarily due to lower interest rates and reduced amortization of debt issuance costs.
    Other income (expense), net, increased by $4.6 million for the three-month period ended March 28, 2025 compared to the same period in the prior year. This increase was primarily due to favorable foreign exchange transaction and
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    remeasurement gains, as well as the absence of $1.3 million loss from the change in the fair value of contingent earn-out in the prior period.
    Provision for Income Taxes
    Three Months Ended
    (Dollars in millions)March 28,
    2025
    March 29,
    2024
    Percent
    Change
    Provision for income taxes$7.4$9.9(25.3) %
    Effective tax rate151.0 %366.7 %
    The decrease in the effective tax rate for the three-month period ended March 28, 2025 compared to the same period in the prior year is primarily attributable to changes in the geographic mix of worldwide earnings and financial results in jurisdictions which are taxed at different rates and the impact of losses in jurisdictions with full valuation allowances on deferred tax assets.
    Company management continuously evaluates the need for a valuation allowance on its deferred tax assets and, as of March 28, 2025, concluded that a full valuation allowance on its U.S. federal, state and certain of its foreign deferred tax assets remained appropriate.
    Liquidity and Capital Resources
    Cash and cash Equivalents
    The following table summarizes our cash and cash equivalents:
    (In millions)March 28,
    2025
    December 27,
    2024
    Increase
    Total cash and cash equivalents$317.6 $313.9 $3.7 
    The following table summarizes the Condensed Consolidated Statements of Cash Flow information:
    Three Months Ended
    (In millions)March 28,
    2025
    March 29,
    2024
    Operating activities$28.2 $9.8 
    Investing activities(12.4)(17.9)
    Financing activities(12.2)(4.5)
    Effects of exchange rate changes on cash and cash equivalents0.1 (1.4)
    Net increase (decrease) in cash and cash equivalents$3.7 $(14.0)
    Our primary cash inflows and outflows were as follows:
    •For the three-month period ended March 28, 2025, we generated cash from operating activities of $28.2 million compared to $9.8 million for the same period in the prior year. The $18.4 million increase in net cash provided by operating activities was primarily driven by a $16.4 million favorable change in net working capital and a $4.7 million increase in net income, partially offset by $2.7 million decrease in non-cash items included in net income.
    •The major contributors in net changes in operating assets and liabilities for the three-month period ended March 28, 2025 were as follows:
    ◦Accounts receivable decreased $23.1 million primarily due to the timing of shipments and collections and $6.4 million decrease in inventories due to increased production levels and corresponding consumption of inventory balances.
    ◦Accounts payable decreased $8.5 million, other liabilities decreased $2.3 million, and accrued compensation and related benefits decreased $10.4 million, primarily due to the timing of payments.
    •Net cash used in investing activities during the three-month period ended March 28, 2025 and March 29, 2024 consisted primarily of $12.4 million and $18.0 million purchases of property, plant and equipment, respectively.
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    •During the three-month period ended March 28, 2025, cash used in financing activities was $12.2 million compared to $4.5 million in the same period in the prior year. The $7.7 million increase in net cash used by financing activities was primarily due to $7.5 million additional principal payments on bank borrowings.
    We believe we have sufficient capital to fund our working capital needs, satisfy our debt obligations, maintain our existing capital equipment, purchase new capital equipment and make strategic acquisitions from time to time. As of March 28, 2025, we had cash and cash equivalents of $317.6 million compared to $313.9 million as of December 27, 2024. Our cash and cash equivalents, cash generated from operations, and amounts available under our revolving line of credit described below were our principal sources of liquidity as of March 28, 2025.
    Fluid Solutions has an existing factoring arrangement with a financial institution in which a portion of its accounts receivable are sold on a non-recourse basis. As of March 28, 2025, there were outstanding customer invoices amounting to $7.5 million that we factored under this arrangement.
    We anticipate that our existing cash and cash equivalents balance and operating cash flow will be sufficient to service our indebtedness and meet our working capital requirements and technology development projects for at least the next twelve months. The adequacy of these resources to meet our liquidity needs beyond that period will depend on our growth, the size and number of any acquisitions, the state of the worldwide economy, our ability to meet our financial covenants with our credit facility, the cyclical expansion or contraction of the semiconductor capital equipment industry and the other industries we serve and capital expenditures required to meet possible increased demand for our products.
    In order to expand our business or acquire additional complementary businesses or technologies, we may need to raise additional funds through equity or debt financing. If required, additional financing may not be available on terms that are favorable to us, if at all. If we raise additional funds through the issuance of equity or convertible debt securities, our stockholders’ equity interest will be diluted and these securities might have rights, preferences and privileges senior to those of our current stockholders. We may also require the consent of our new lenders to raise additional funds through equity or debt financing. No assurance can be given that additional financing will be available or that, if available, such financing can be obtained on terms favorable to our stockholders and us.
    As of March 28, 2025, we have cash of approximately $277.5 million in our foreign subsidiaries. It is not practicable to determine the tax liability that might be incurred if the undistributed earnings of these foreign subsidiaries were to be distributed. It is the Company’s practice and intention to reinvest the earnings of its non-U.S. subsidiaries in those operations, except for certain of its subsidiaries based in Singapore. However, since there is no expected Singapore or U.S. tax liability on a distribution of those earnings, the Company does not have taxes accrued for unremitted foreign earnings as of March 28, 2025.
    Borrowing Arrangements
    The following table summarizes our borrowings:
    March 28,
    2025
    (Dollars in millions)
    Amount
    Weighted-
    Average
    Interest Rate
    U.S. Term Loan$487.5 7.6 %
    Debt issuance costs(6.6)
    $480.9 
    At March 28, 2025, the Company had an outstanding amount under the Term Loan of $487.5 million, gross of unamortized debt issuance costs of $6.6 million. As of March 28, 2025, the interest rate on the outstanding Term Loan was 7.6%.
    As of March 28, 2025, the Company had $146.4 million, net of $3.6 million of outstanding letters of credit, available under this revolving credit facility. As of March 28, 2025, the Company was in compliance with the financial covenants contained within the Amended Credit Agreement.
    The Company maintains credit agreements with a local bank in Czechia and with a financial institution in Israel, which provide for revolving credit facilities of up to 7.0 million euros (approximately $7.5 million) and $5.0 million, respectively. As of March 28, 2025, there were no borrowings outstanding under these facilities.
    As of March 28, 2025, the Company’s total bank debt was $480.9 million, net of unamortized debt issuance costs of $6.6 million. As of March 28, 2025, the Company had $146.4 million, $5.0 million and $7.5 million available to draw from our credit facilities in the U.S., Israel and Czechia, respectively.
    - 27 -

    Table of Contents
    See Note 6 - Borrowing Arrangements, of our Condensed Consolidated Financial Statements, included in Part 1 of this Form-10Q for additional information.
    Capital Expenditures
    Capital expenditures were $12.4 million during the three months ended March 28, 2025 and were primarily attributable to the capital invested in our manufacturing facilities worldwide. The Company’s anticipated capital expenditures for the remainder of 2025 are expected to be financed primarily from our cash flow generated from operations and cash on hand.
    Contractual Obligations
    The Company had commitments to various third parties to purchase inventories totaling approximately $403.6 million as of March 28, 2025.
    In conjunction with the sale of our products in the ordinary course of business, we provide standard indemnification against certain liabilities to our customers, which may include claims of losses by their own customers resulting out of property damages, bodily injuries or deaths, or infringement of intellectual property rights by our products. Our potential liability arising out of intellectual property infringement claims by any third party is generally uncapped. As of March 28, 2025, we have not incurred any significant costs to defend lawsuits or settle claims related to these indemnification arrangements. As a result, we believe the estimated fair value of these arrangements is minimal.
    - 28 -

    Table of Contents
    ITEM 3. Quantitative and Qualitative Disclosures About Market Risk
    There were no significant changes to our quantitative and qualitative disclosures about market risk during the period covered by this report. Refer to Part II, Item 7A. “Quantitative and Qualitative Disclosures about Market Risk” included in our Annual Report on Form 10-K for our fiscal year ended December 27, 2024, for a more complete discussion of the market risks we encounter.
    ITEM 4. Controls and Procedures
    Evaluation of Disclosure Controls and Procedures
    Under the supervision and with the participation of our management, including our chief executive officer and chief financial officer, we conducted an evaluation of our disclosure controls and procedures, as such term is defined in Rule 13a-15(e) under the Exchange Act. Disclosure controls and procedures are designed to ensure that information required to be disclosed by us in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms and that such information is accumulated and communicated to management, including the chief executive officer and chief financial officer, as appropriate, to allow timely decisions regarding required disclosure. Based upon this evaluation, our chief executive officer and our chief financial officer concluded the disclosure controls and procedures were not effective as of March 28, 2025, the end of the period covered by this Quarterly Report on Form 10-Q, due to material weaknesses in internal control over financial reporting described below.
    Material Weaknesses in Internal Control Over Financial Reporting
    As previously disclosed in our Annual Report on Form 10-K for the fiscal year ended December 27, 2024, the Company identified the following material weaknesses in our internal control over financial reporting that continue to exist as of March 28, 2025.
    The Company did not design and maintain effective controls relating to the: (i) sufficiency of processes related to identifying and analyzing risks to the achievement of objectives across the Company, (ii) sufficiency of competent personnel to analyze risks of material misstatement and develop internal control activities to support the achievement of the Company’s internal control objectives; and (iii) monitoring of control activities in accordance with established policies in a timely manner.
    These material weaknesses contributed to the following additional material weaknesses:
    (a) The Company did not design and maintain effective information technology (“IT”) general controls for certain information systems that are relevant to the preparation of its consolidated financial statements. Specifically, for certain of the Fluid Solutions operating subsidiaries in the Products segment which have not been migrated to the Company’s primary ERP system, the Company did not design and maintain (i) program change management controls to ensure that IT program and data changes are identified, tested, authorized and implemented appropriately, and (ii) user access controls to ensure appropriate segregation of duties and to adequately restrict user and privileged access to appropriate company personnel.
    (b) The Company did not design and maintain effective controls for certain other international operating subsidiaries in the Products segment. Specifically, the Company did not design and maintain effective segregation of duties controls across various business processes, including journal entries.
    The material weaknesses described above did not result in any material misstatements to annual or interim consolidated financial statements. However, these material weaknesses could result in misstatements of our consolidated financial statements that would result in a material misstatement to the annual or interim consolidated financial statements that would not be prevented or detected.
    Remediation Plan and Progress
    Management has been executing and remains committed to implementing measures designed to ensure that control deficiencies contributing to the material weaknesses are remediated, such that these controls are designed, implemented, and operating effectively.
    In response to all material weaknesses, management has taken the following actions:
    •engaged an external advisor to assist with evaluating and documenting the design and operating effectiveness of internal controls and to assist with the remediation of deficiencies, as necessary;
    •hired additional IT, accounting, and finance personnel to support our remediation efforts, including a Vice President of Internal Audit, as well as third-party resources with relevant expertise to augment our internal resources;
    •formalized roles and responsibilities within the organization to establish ownership of workstreams to identify and analyze risks of material misstatement, develop internal control activities to support the achievement of the Company’s internal control objectives, and monitor the effective performance of those control objectives;
    •performed an entity-wide risk assessment of information technology systems and business processes by operating subsidiary; and
    - 29 -

    Table of Contents
    •assessed the specific training needs for newly hired and existing personnel and developed and delivered training programs designed to support our internal controls.
    In response to the material weakness “(a)” management has taken the following actions:
    •in process of designing and implementing change management and user access review controls for relevant information technology systems at certain Fluid Solutions operating subsidiaries not yet migrated to our primary ERP system. Management also continues to design and implement other user access controls to ensure appropriate segregation of duties that adequately restrict user access to our financial applications and data to appropriate company personnel.
    In response to the material weakness “(b)” management has taken the following actions:
    •in process of designing and implementing controls over segregation of duties assessment to identify key conflicts, establishing policies and procedures to maintain effective segregation of duties, and identifying and implementing mitigating controls for any key conflicts identified for certain other international operating subsidiaries in the Products segment which have not been migrated to the Company’s primary ERP system.
    As we continue to evaluate and work to improve our internal control over financial reporting, we may decide to take additional measures to address the material weaknesses or modify the remediation plans described above. We believe that these actions will remediate the material weaknesses, however the material weaknesses will not be considered remediated until we conclude all measures necessary to remediate the material weaknesses have been designed, implemented, and the applicable controls have operated for a sufficient period of time, and management has concluded, through testing, that these controls are designed and operating effectively. While Management believes that the aforementioned plans will remediate the material weaknesses, there is no assurance on the exact timing of the completion of the remediation.
    Changes in Internal Control Over Financial Reporting
    There were no changes in our internal control over financial reporting during the quarter ended March 28, 2025, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.




    - 30 -

    Table of Contents
    PART II. OTHER INFORMATION
    ITEM 1. Legal Proceedings
    From time to time, we are subject to various legal proceedings and claims, either asserted or unasserted, that arise in the ordinary course of business. Although the outcome of the various legal proceedings and claims cannot be predicted with certainty, we have not had a history of outcomes to date that have been material to our Condensed Consolidated Statement of Operations and do not believe that any of these proceedings or other claims will have a material adverse effect on our condensed consolidated financial condition or results of operations.
    On June 7, 2024, UCT received a subpoena from the SEC related to the material weaknesses identified in our 2022 and 2023 Forms 10-K and the change of our independent auditors. On March 20, 2025, UCT received the official termination letter from the SEC, noting that the investigation has concluded with no enforcement action recommendation.
    On March 24, 2025, a putative securities class action was filed in the United States District Court for the Northern District of California, captioned Ofir Schweiger v. Ultra Clean Holdings, Inc., et al., (Case No. 3:25-cv-02768), against the Company and our former Chief Executive Officer, James Scholhamer, and our Chief Financial Officer, Sheri Savage. The lawsuit brings claims under Section 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder, alleging that the Company and certain of its officers have knowingly made materially misleading statements about demand in the Chinese market for the Company’s products to artificially inflate the price of the Company’s common stock, while knowing that the Company was experiencing softening demand. The action purports to be brought on behalf of those who purchased or otherwise acquired the Company’s publicly traded securities between May 6, 2024 and February 24, 2025, and seeks unspecified damages and other relief. The case is still in its early stages. Management believes these claims to be meritless and intends to vigorously defend against them. There is no assurance that the Company will be successful in its defense or that insurance will be available or adequate to fund any settlement or judgment or the litigation costs. The Company cannot reasonably estimate any loss or range of loss that may arise from this case.
    ITEM 1A. Risk Factors
    There were no material changes during the period covered in this report to the risk factors previously disclosed in Part I, Item 1A, of our Annual Report on Form 10-K for the year ended December 27, 2024.
    ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds
    (a)Recent Sales of Unregistered Securities
    None.
    (b)Use of Proceeds from Securities
    None.
    (c)Purchases of Equity Securities by the Issuer and Affiliated Purchasers
    On October 20, 2022, the Board of Directors approved a share repurchase program authorizing the Company to purchase up to an aggregate of $150.0 million of the Company’s common stock over a three-year period. This program may be suspended or discontinued at any time and does not obligate the Company to acquire any amount of common stock.
    No shares were repurchased under this program for the three months ended March 28, 2025.
    ITEM 3. Defaults Upon Senior Securities
    None.
    ITEM 4. Mine Safety Disclosures
    Not Applicable.
    ITEM 5. Other Information
    None.
    - 31 -

    Table of Contents
    ITEM 6. Exhibits
    (a)Exhibits
    The following exhibits are filed with this quarterly Report on Form 10-Q for the quarter ended March 28, 2025:
    Exhibit
    Number
    Description
    31.1
    Certification of Interim Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
    31.2
    Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
    32.1
    Certification of the Interim Chief Executive Officer and the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
    101.INSInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
    101.SCHInline XBRL Taxonomy Extension Schema Document
    101.CALInline XBRL Taxonomy Calculation Linkbase Document
    101.DEFInline XBRL Taxonomy Definition Linkbase Document
    101.LABInline XBRL Taxonomy Label Linkbase Document
    101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document
    104Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)
    - 32 -

    Table of Contents
    SIGNATURES
    Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
    ULTRA CLEAN HOLDINGS, INC.
    (Registrant)
    Date: April 29, 2025
    By:/S/ CLARENCE L. GRANGER
    Name:Clarence L. Granger
    Title:Interim Chief Executive Officer
    (Principal Executive Officer and duly
    authorized signatory)
    Date: April 29, 2025
    By:/S/ SHERI SAVAGE
    Name:Sheri Savage
    Title:Chief Financial Officer
    (Principal Financial Officer and duly
    authorized signatory)
    - 33 -
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