Mosaic stockholders, employees and other parties who desire to correspond with the Audit Committee regarding accounting, internal accounting controls or auditing matters may do so via email at the following address which will be accessed by the General Counsel on behalf of the Audit Committee: auditchair@mosaicco.com. Alternatively, you may call Mosaic’s Ethics Line at 887-261-2609 or the website at https://www.mosaic.ethicspoint.com.

Your correspondence is confidential. You can remain anonymous. However this can limit the amount of action that can be taken. Also, depending on your closeness to the situation, an investigation might result in disclosure of your identity. There can be no retaliation against you unless you participated in a Code of Conduct violation or illegal act.