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B.1e - Enclosure E. Form W9

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A PDF document (138 KB) attached to Oxford PlasmaLab 100 tool PLC upgrade or its Equivalent, from the Department of Energy. Due Nov 6, 2026, 5:00 PM (UTC-5).

File name: B.1e_482829 - Enclosure E. Form W9.pdf

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W-9

Form
(Rev. March 2024)
Department of the Treasury
Internal Revenue Service

Request for Taxpayer
Identification Number and Certification

Give form to the
requester. Do not
send to the IRS.

Go to www.irs.gov/FormW9 for instructions and the latest information.

Print or type.
See Specific Instructions on page 3.

Before you begin. For guidance related to the purpose of Form W-9, see Purpose of Form, below.

Name of entity/individual. An entry is required. (For a sole proprietor or disregarded entity, enter the owner’s name on line 1, and enter the business/disregarded entity’s name on line 2.)

Business name/disregarded entity name, if different from above.

3a Check the appropriate box for federal tax classification of the entity/individual whose name is entered on line 1. Check only one of the following seven boxes.
Individual/sole proprietor

C corporation

S corporation

Partnership

4 Exemptions (codes apply only to

certain entities, not individuals;
see instructions on page 3):

Trust/estate

Exempt payee code (if any)

LLC. Enter the tax classification (C = C corporation, S = S corporation, P = Partnership) Note: Check the “LLC” box above and, in the entry space, enter the appropriate code (C, S, or P) for the tax classification of the LLC, unless it is a disregarded entity. A disregarded entity should instead check the appropriate box for the tax classification of its owner.

Exemption from Foreign Account Tax
Compliance Act (FATCA) reporting
code (if any)

Other (see instructions)
3b If on line 3a you checked “Partnership” or “Trust/estate,” or checked “LLC” and entered “P” as its tax classification, and you are providing this form to a partnership, trust, or estate in which you have an ownership interest, check

Address (number, street, and apt. or suite no.). See instructions.

City, state, and ZIP code

List account number(s) here (optional)

Part I

Requester’s name and address (optional)

Taxpayer Identification Number (TIN)

Enter your TIN in the appropriate box. The TIN provided must match the name given on line 1 to avoid backup withholding. For individuals, this is generally your social security number (SSN). However, for a resident alien, sole proprietor, or disregarded entity, see the instructions for Part I, later. For other entities, it is your employer identification number (EIN). If you do not have a number, see How to get a TIN, later.
Note: If the account is in more than one name, see the instructions for line 1. See also What Name and Number To Give the Requester for guidelines on whose number to enter.

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