Request for Proposals Amendment 01

SUPPLY CHAIN MANAGEMENT

AMENDMENT OF SOLICITATION/SUBCONTRACT MODIFICATION

Acting Under Contract DE-ACO2-76-SF00515

1. Amendment/Modification Number:

2. Effective Date:

3. Solicitation/Subcontract Number:

9/15/2026
367893

4. Issued By:

5. Administered By:

The Board of Trustees of the Leland Stanford, Jr. University SLAC National Accelerator Laboratory
SLAC National Accelerator Laboratory
2575 Sand Hill Road
2575 Sand Hill Road
Menlo Park, CA 94025
Menlo Park, CA 94025
Bldg. 041, M/S: 01
7A. Amendment of Solicitation Number: 367893

6. Name and Address of Seller:

7B. Dated (See Item 9):
To: All Offerors
8A. Modification of Subcontract Number:
8B. Dated (See Item 14D):

9. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 11. is extended to Click here to enter a date. at

The hour and date specified for receipt of Offers
extended.

,

is not

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods: (a) By completing items 8 and 13, and return 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter which includes a reference to the solicitation and amendment numbers.

FAILURE OF YOUR ACKNOWLEDGEMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE

RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted you may do so as long as it is received prior to the opening hour and date specified.

10. THIS ITEM ONLY APPLIES TO MODIFICATION OF SUBCONTRACTS

A. This change order is issued pursuant to (specify authority) . The changes set forth in Item 11 are
made in the subcontract order number stated in Item 8A. B. The above numbered subcontract is modified to reflect the administrative changes set forth in Item 11. C. This supplemental agreement is entered into pursuant of authority of: D. Other (Specify type of modification and authority):

.

.

11. Description of Amendment/Modification:

The purpose of this Amendment is as follows:
(1) Revise Section F - Deliveries or Performance
- Extend the SLAC Requested Delivery Date from 18 Months ARO to 19 Months ARO (2) Revise Section L - Instructions to Offerors
- Amend Factor 4, Schedule, to account for 19 Month ARO delivery schedule and consideration of alternative