Bulk Claim

Proof of Claims Uploader

Using the provided template, also available here, provide all of the requested information with respect to the contact information for the Beneficial Owners, and all of their transactions in Compass common stock that took place between March 2, 2017 and January 18, 2019, inclusive. Failure to report all such transactions may result in the rejection of their claim.

On the schedules, provide all the requested information with respect to:

1. All of your transactions in Compass common stock that took place between March 2, 2017 and January 18, 2019, inclusive;
2. The number of shares of Compass common stock that you held at the beginning of trading on March 2, 2017; and
3. The number of shares of Compass common stock that you held at the close of trading on January 18, 2019; and

Failure to report all such transactions may result in the rejection of your claim.

List each transaction separately and in chronological order, by trade date, beginning with the earliest. You must accurately provide the month, day, and year of each transaction you list.

Do not make any edits to the template as your file will be rejected.

Supporting Documents

For each client submissions you must provide:

1. One signed Proof of Claim Form that will act as the "Master" Proof of Claim for that client;

2. If you are filing on your own behalf or a claim preparer filing on behalf of beneficial owners, you must provide a document verifying that the individual who signed the Proof of Claim form and any supplemental documents is authorized to sign on your behalf.

3. If you are filing on behalf of beneficial owners other than yourself, you must also provide one or more documents that establish proof of authority to file claims on behalf of that client, such as: service agreements, power of attorney, engagement agreements, etc.

4. For each transaction you must provide, in addition to the spreadsheet of transactions, copies of stockbroker confirmations slips, stockbroker statements, or other documents adequately evidencing the transactions in Compass common stock. Failure to provide this documentation could delay verification of your claim or result in rejection of your claim.

IMPORTANT NOTES:

• The document uploader will only accept the following file types: .pdf, .jpg, .png

• If you have questions or concerns, please contact the Fair Fund Administrator at broker@CompassMineralsFairFund.com.

Certification & Signature

By signing below, I hereby certify that the foregoing information supplied by me is true, correct, and complete to the best of my knowledge.