UCTT Ultra Clean Holdings Inc

Item 7.01 – Regulation FD Disclosure.

On September 5, 2018, Ultra Clean Holdings, Inc. (the “Company”) will disseminate lender presentation materials in connection with the syndication process for credit facilities comprised of a term loan B facility in an initial aggregate principal amount of $350.0 million (the “Term Loan Facility”), a revolving credit facility in an initial aggregate principal amount of $65.0 million (the “Revolving Credit Facility”), a letter of credit facility in the initial aggregate available amount of $50.0 million (as a sublimit of such Revolving Credit Facility) (the “L/C Facility”) and a swing line sub-facility in the aggregate available amount of $10.0 million (as a sublimit of the Revolving Credit Facility) (together with the Term Loan Facility, the Revolving Credit Facility and the L/C Facility, the “Senior Secured Credit Facility”). The Senior Secured Credit Facility relates to the Company’s previously announced acquisition of Quantum Global Technologies, LLC and the refinancing of substantially all of the Company’s previously existing indebtedness, as described in the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on August 31, 2018.

A copy of the lender presentation materials is furnished with this Report as Exhibit 99.1 and is incorporated herein by reference.

Cautionary Note Regarding Forward-Looking Statements

This Current Report on Form 8-K (including Exhibit 99.1) contains forward-looking statements that relate to future events. The Company cautions you that such statements are simply predictions and actual events or results may differ materially. These statements reflect the Company’s current expectations, and the Company does not undertake to update or revise these forward looking statements, even if experience or future changes make it clear that any projected results expressed or implied in this or other Company statements will not be realized. Further, these statements involve risks and uncertainties, many of which are beyond the Company’s control, which could cause actual results to differ materially from the forward-looking statements. Statements related to, among other things, the consummation of the syndication of the Senior Secured Credit Facility and potential changes in market conditions constitute forward-looking statements. For a description of additional factors that may cause the Company’s actual results, performance or expectations to differ from any forward-looking statements, please review the information set forth in the “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” sections of the Company’s public reports filed with the Securities and Exchange Commission.

Certain Information

The information in this Current Report on Form 8-K, including Exhibit 99.1, is furnished pursuant to this Item 7.01 and shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.