FabricationAperture

SLAC National Accelerator Laboratory is operated by Stanford University for the Department of Energy. As a management and operating contractor, subcontracts awarded by the Laboratory are not Federal procurements, and are not directly subject to the Federal Acquisition Regulations in 48 CFR. Nonetheless, certain Federal laws, Executive Orders, and regulations may affect our DOE approved purchasing system, as required by statute, regulation, or contract terms and conditions.

AMENDMENT 01 The following Addendum is being issued for the subject Request for Quotation: #362984_Aperture_Fabrication STEP files for this request have become available. Please contact Marissa Tanomrat at marissat@slac.stanford.edu for copies. Please kindly also note that the crystals will have different orientations please kindly reference the drawings for these specifications. This Addendum modifies the Request for Quotation and must be acknowledged.

Failure to acknowledge all addenda could make your proposal non-responsive. Please confirm that the submitted proposal is not changed because of this addendum. If proposal sent is revised because of this, please submit the revised proposal. The following changes are hereby made to the appropriate documents contained the above-mentioned Request for Quotation (RFQ). All other terms and conditions of the RFQ remain the same.

Kind regards, Marissa Tanomrat Procurement Commodities Team SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo Park, CA 94025 Email: marissat@slac.stanford.edu Please review the listed requirements and provide your best and final offer for both price and lead-time. The follow has been attached for you to complete and review: (BAA) Buy American Act Certification Representations & Certifications Rider Confirm Attached SLAC terms are accepted: FP Commercial Supplies-Services T&Cs (August 2023) Required item(s) listed below:

DSG-000058281 QTY: 1 DSG-000042186 QTY: 1 DSG-000040394 QTY: 1 DSG-000080017 QTY: 1 DSG-000092295 QTY: 1 DSG-000092471 QTY: 1 Quote is for product only; no on-site services permitted. Source selection will be based on Lowest Price and Technically Acceptable Method (LPTA). Technical evaluation criteria are as follows:

Polishing method: Plasma Surface finish: 1nm RMS Clear apertures as defined in NOTE 6 in drawings Please provide a price and lead time quotation by COB 5/14/2026. Please be advised that the requirement was also posted on SAM.gov. Send quote to marissat@SLAC.stanford.edu. The bid closing date for this requirement is 5/14/2026. Is there any room for additional discount such as for Academic, ICPT, GSA, or Government Institutions?

If possible, please provide a link to your webpage for published price list to substantiate for the prices quoted. Buy American Act Certification (BAA) applies to items that have a unit price that is over $15,000. Representations & Certifications Rider is required. Once completed the Reps and Certs is valid for one year until renewal. If you have already completed one within the year please disregard. Otherwise, please complete and return.

Please include in your proposals the Harmonized Tariff Schedule (HTS Code) if applicable. All subcontractors are required to register in the System for Award Management (www.sam.gov). The resulting purchase order will be issued on a fixed price basis. SLAC National Accelerator Laboratory Terms and Conditions for Fixed Price Commercial Supplies and Services (Rev. August 2023) will be made a part of the resulting order. Payment Terms will be NET-30 (SLAC is unable to do advance payments and or Prepayments).

Freight terms will be FOB Destination Prepaid and Add Foreign Vendors Shipments will be made CIP SLAC, Menlo Park, and Duty Unpaid. You are requested to mark and identify proprietary/confidential information provided in response to the solicitation. Contact me directly with any questions.

Kind regards, Marissa Tanomrat Procurement Commodities Team SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo Park, CA 94025 Email: marissat@slac.stanford.edu