Ceradyne Shareholder Litigation
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File Claim

If you are a Class Member and wish to be potentially eligible for a payment from the proceeds of the Settlement, you must complete and submit a Proof of Claim. To obtain a copy of the Proof of Claim, click here.  The deadline to submit a timely Proof of Claim is March 1, 2018.

You may submit your Proof of Claim using one of two methods. Each method is described below, with links to the requirements for each submission. Your submitted Proof of Claim will also include a release of the Released Plaintiffs' Claims as to each and all of the Released Defendant Parties, as well as a certification under penalty of perjury that your Proof of Claim is accurate and complete.

Whichever submission method you choose, please note that supporting documentation of the holdings of Ceradyne common stock for which you received consideration for in the sale of Ceradyne to 3M Company at the price of $35.00 per share and which you listed on your Proof of Claim is required. Include all required and necessary documentation with your submission. In the event that you submit your Proof of Claim online, you must retain confirmation of such filing, which is provided at the end of the filing process.

If you fail to execute and submit a timely, properly completed and addressed Proof of Claim, your claim may be rejected and you may be precluded from any recovery from the Net Settlement Fund. 

Submit Your Proof of Claim Online

The deadline to submit a timely Proof of Claim in this matter has passed and online claim submission is no longer available.

Submit Your Proof of Claim by Mail

To submit a Proof of Claim by mail, complete and sign the Proof of Claim in its entirety with all required supporting documentation and mail it, postmarked no later than March 1, 2018, to the Claims Administrator at the below address:

Ceradyne Shareholder Litigation
Claims Administrator
c/o Gilardi & Co. LLC
P.O. Box 404041
Louisville, KY 40233-4041