Proof of Claim - Form 410
Proof of Claim - Form 410 Instructions

General Bar Date
04/27/2026 05:00 PM ET
Notice of Bar Date Notice of Deadlines for Filing Proofs of Claim

Administrative Bar Date
04/27/2026 05:00 PM ET
Notice of Bar Date Notice of Deadlines for Filing Proofs of Claim

Proof of Administrative Claim

To complete, sign and submit your Administrative claim electronically, please click below:

Administrative Claim Filing

To download a blank Administrative Claim Form, please see below:

Proof of Administrative Claim Form

Upon completion of a proof of claim form (together with any supporting documentation you may have), please remit to the following address:

US Magnesium LLC
Claims Processing
c/o Stretto, Inc.
410 Exchange, Suite 100
Irvine, CA 92602

Should you wish to receive a date-stamped copy of your proof of claim form, please include a photocopy of the form and a self-addressed, stamped envelope.

IMPORTANT NOTE REGARDING REDACTING YOUR SUPPORTING DOCUMENTATION: A document has been redacted when the person filing it has masked, edited out, or otherwise deleted, certain information. A creditor must show only the last four digits of any social security, individual's tax identification, or financial-account number, only the initials of a minor's name, and only the year of any person's date of birth. PLEASE REVIEW YOUR SUPPORTING DOCUMENTS AND REDACT ACCORDINGLY PRIOR TO SUBMITTING THEM WITH YOUR FILED CLAIM. PROOFS OF CLAIM ARE PUBLIC DOCUMENTS THAT WILL BE AVAILABLE FOR VIEWING ONLINE UNLESS OTHERWISE STATED.