Financial Data and Key Metrics Changes - Total revenue for Q1 2025 was $518.6 million, down from $563.3 million in the previous quarter, missing the midpoint of revenue guidance by approximately $12 million [16][21] - Earnings per share (EPS) for the quarter were $0.28, compared to $0.51 in the prior quarter, primarily due to lower revenue and higher operating expenses [19] - Total gross margin for Q1 was 16.7%, slightly down from 16.8% in Q4 [17] Business Line Data and Key Metrics Changes - Revenue from products decreased to $457 million from $503.5 million in the previous quarter due to weakening demand [16] - Services revenue increased from $59.8 million in Q4 to $61.6 million in Q1, primarily driven by two top customers [16] Market Data and Key Metrics Changes - The company anticipates a modest decline in demand for June and expects to bounce around current revenue levels for the remainder of the year [7][21] - The semiconductor market recovery is expected to be slower than previously anticipated, with geopolitical uncertainties impacting demand [6][13] Company Strategy and Development Direction - The company is focusing on optimizing its operations and cost structures to align with current revenue levels, including reviewing headcount and organizational structure [15][61] - A localized supply chain strategy has been initiated to mitigate future disruptions and enhance market responsiveness [10] - The company aims to enhance its leadership position in the semiconductor equipment industry, despite ongoing uncertainties [13] Management's Comments on Operating Environment and Future Outlook - Management expressed that the current semiconductor market downturn is expected to extend, with a cautious outlook for the second half of the year [7][38] - The company remains confident in its "China for China" strategy, which is expected to mitigate tariff impacts [41][44] - Management believes that the semiconductor industry will continue to outperform other markets in the long term, driven by transformative megatrends [13] Other Important Information - The company has repurchased 182,000 shares at a cost of $3.4 million as part of its repurchase program [20] - The tax rate for the quarter was 20%, with expectations for a low to mid-20s rate for 2025 [19] Q&A Session Summary Question: What caused the softening demand late in the quarter? - Management indicated that the softening demand was related to two customers facing technical issues, which resulted in a $12 million shortfall in revenue guidance [26] Question: What is the outlook for China revenue? - Management anticipates a slight revenue increase in Q2 and further growth in the second half of the year, indicating that the "China for China" strategy is effective [27][31] Question: Will the current weakness have a longer-term impact? - Management acknowledged uncertainty in the market but does not expect a dramatic downturn, suggesting a minor downturn may occur [36] Question: What impact will tariffs have on the business? - Management has been analyzing potential tariff impacts and believes that the long-term effects will be minimal due to the "China for China" strategy [44] Question: What is the status of the CEO search? - The search for a new CEO is ongoing, with an expected timeline of three to four more months [79]

SOLVING COMPLEX PROBLEMS THROUGH GENERATIONS OF INNOVATION SPRING2025 INVESTOR PRESENTATION Safe Harbor This presentation contains, or may be deemed to contain, "forward- looking statements" (as defined in the US Private Securities Litigation Reform Act of 1995) which reflect our current views with respect to future events and financial performance. We use words such as "anticipates," "projection," "outlook," "forecast," "believes," "plan," "expect," "future," "intends," "may," "will," "estimates," "see," " ...

Exhibit 99.1 Press Release Source: Ultra Clean Holdings, Inc. Ultra Clean Reports First Quarter 2025 Financial Results HAYWARD, Calif., April 28, 2025 /PRNewswire/ Ultra Clean Holdings, Inc. (Nasdaq: UCTT), today reported its financial results for the first quarter ended March 28, 2025. "UCT's first quarter results were impacted by softening demand late in the quarter as customers reassessed their spending in reaction to an increasingly uncertain and volatile business environment," said Clarence Granger, UC ...

Core Viewpoint - Ultra Clean Holdings, Inc. reported a decline in financial performance for the first quarter of 2025, attributing this to softening demand and an uncertain business environment [2][3]. Financial Results - Total revenue for Q1 2025 was $518.6 million, down from $563.3 million in the previous quarter, with product revenue at $457.0 million and service revenue at $61.6 million [2]. - The gross margin was 16.2%, operating margin was 2.5%, and the company reported a net loss of $0.5 million or $0.11 per diluted share, compared to a net income of $16.3 million or $0.36 per diluted share in the prior quarter [2]. - On a non-GAAP basis, gross margin was 16.7%, operating margin was 5.2%, and net income was $12.7 million or $0.28 per diluted share, down from $22.9 million or $0.51 per diluted share in the previous quarter [3]. Outlook - For Q2 2025, the company expects revenue to be in the range of $475 million to $525 million, with GAAP diluted net loss per share projected between $(0.06) and $(0.26) and non-GAAP diluted net income per share expected to be between $0.17 and $0.37 [4]. Company Overview - Ultra Clean Holdings, Inc. specializes in developing and supplying critical subsystems and components primarily for the semiconductor industry, offering integrated outsourced solutions and ultra-high purity cleaning services [6].

Core Viewpoint - Faruqi & Faruqi, LLP is investigating potential claims against Ultra Clean Holdings, Inc. due to allegations of misleading statements regarding demand for its products in the Chinese market, which led to significant stock price declines following the company's earnings report [4][6][8]. Group 1: Legal Investigation - Faruqi & Faruqi is encouraging investors who suffered losses in Ultra Clean between May 6, 2024, and February 24, 2025, to discuss their legal options [1][4]. - A federal securities class action has been filed against Ultra Clean, with a deadline of May 23, 2025, for investors to seek the role of lead plaintiff [4][9]. - The firm has a history of recovering hundreds of millions of dollars for investors since its founding in 1995 [5]. Group 2: Allegations Against Ultra Clean - The complaint alleges that Ultra Clean and its executives violated federal securities laws by making false or misleading statements about the demand for its products in China during fiscal year 2024 [6]. - The company faced a customer ramp issue and inventory and demand corrections, which were not disclosed, leading to a misrepresentation of the true state of demand [6]. Group 3: Market Reaction - On February 24, 2025, Ultra Clean reported "demand softness" in China, which was attributed to extended qualification timelines and inventory absorption [7]. - Following this announcement, Ultra Clean's stock price plummeted from $36.06 per share to $25.90 per share, a decline of over 28% in one day [8].

Core Viewpoint - A class action securities lawsuit has been filed against Ultra Clean Holdings, Inc. due to alleged securities fraud that affected investors between May 6, 2024, and February 24, 2025 [1] Group 1: Lawsuit Details - The lawsuit claims that Ultra Clean misled investors about the demand for its products in the Chinese market, falsely reporting increased demand and revenue while concealing issues such as customer ramp problems and inventory corrections [2] - On February 24, 2025, Ultra Clean disclosed "demand softness" in China during its earnings call, leading to a significant stock price drop from $36.06 to $25.90, a decline of over 28% in one day [2] Group 2: Investor Information - Investors who suffered losses during the specified period have until May 23, 2025, to request to be appointed as lead plaintiff, although participation in any recovery does not require serving as a lead plaintiff [3] - Class members may be entitled to compensation without any out-of-pocket costs or fees [3] Group 3: Legal Firm Background - Levi & Korsinsky, LLP has a strong track record in securities litigation, having secured hundreds of millions for shareholders over the past 20 years and consistently ranking among the top securities litigation firms in the U.S. [4]

NEW YORK, April 24, 2025 (GLOBE NEWSWIRE) -- Levi & Korsinsky, LLP notifies investors in Ultra Clean Holdings, Inc. ("Ultra Clean" or the "Company") (NASDAQ: UCTT) of a class action securities lawsuit. CLASS DEFINITION: The lawsuit seeks to recover losses on behalf of Ultra Clean investors who were adversely affected by alleged securities fraud between May 6, 2024 and February 24, 2025. Follow the link below to get more information and be contacted by a member of our team: https://zlk.com/pslra-1/ultra-clea ...

DEADLINE: May 23, 2025 Shareholders should not delay in registering for this class action. Register your information here: https://securitiesclasslaw.com/securities/ultra-clean-holdings-inc-loss-submission-form/? id=144665&from=4 NEXT STEPS FOR SHAREHOLDERS: Once you register as a shareholder who purchased shares of UCTT during the timeframe listed above, you will be enrolled in a portfolio monitoring software to provide you with status updates throughout the lifecycle of the case. The deadline to seek to b ...

NEW YORK, April 23, 2025 (GLOBE NEWSWIRE) -- The Gross Law Firm issues the following notice to shareholders of Ultra Clean Holdings, Inc. (NASDAQ: UCTT). Shareholders who purchased shares of UCTT during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointment. Appointment as lead plaintiff is not required to partake in any recovery. CONTACT US HERE: https://securitiesclasslaw.com/securities/ultra-clean-holdings-inc-loss-submission-form/?id=144431&from=3 CLASS ...

NEW YORK, April 22, 2025 /PRNewswire/ -- Levi & Korsinsky, LLP notifies investors in Ultra Clean Holdings, Inc. ("Ultra Clean" or the "Company") (NASDAQ: UCTT) of a class action securities lawsuit.CLASS DEFINITION: The lawsuit seeks to recover losses on behalf of Ultra Clean investors who were adversely affected by alleged securities fraud between May 6, 2024 and February 24, 2025. Follow the link below to get more information and be contacted by a member of our team:https://zlk.com/pslra-1/ultra-clean-hold ...