| Mine IDnumber(1) |   | Mine orOperatingName |   | Section104SignificantandSubstantialCitations(2) |   | Section104(b)Orders(3) |   | Section104(d)CitationsandOrders(4) |   | Section110(b)(2)Violations (5) |   | Section107(a)Orders (6) |   | Total dollarvalue ofMSHAassessmentsproposed(7) |   | TotalnumberofMiningRelatedFatalities |   | ReceivedNotice ofPattern ofViolationsUnderSection104(e)yes/no |   | ReceivedNotice ofPotentialto HavePatternundersection104(e)yes/no |   | LegalActionsPendingas ofLastDay ofPeriod(8) |   | CategoriesofPendingLegalActions(i-vii)(9) |     | LegalActionsInitiatedDuringPeriod |     | LegalActionsResolvedDuringPeriod |   |
|------------------|--------|----------------------|--------|-------------------------------------------------|--------|------------------------|--------|------------------------------------|--------|--------------------------------|--------|-------------------------|--------|------------------------------------------------|--------|--------------------------------------|--------|---------------------------------------------------------------|--------|------------------------------------------------------------------|--------|---------------------------------------------|--------|-------------------------------------------|----------|-----------------------------------|----------|----------------------------------|--------|
| 2103658          |   | POLYMET              |   |                                            | 0      |                   |   | 0                                  |   |                           | 0      |                    |   | 0                                              |   |                                 | 0      |                                                          | $      | 0                                                                |   |                                        | 0      |                                      |  No |                              |  No |                             |   | 0 |   |  NA |   |   | 0 |   |   | 0 |   |
| 1 | MSHA assigns an identification number to each mine or operation and may or may not assign separate identification number to related facilities. The information provided in this table is presented by mine identification number.                                                                                     |
|---|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 2 | Represents the total number of citations issued by MSHA for violation of health or safety standards that could significantly and substantially contribute to a serious injury if left unabated.                                                                                                                        |
| 3 | Represents the total number of orders issued, which represents a failure to abate a citation under section 104(a) within the period prescribed by MSHA. This results in an order of immediate withdrawal from the area of the mine affected by the condition until MSHA determines that the violation has been abated. |
| 4 | Represents the total number of citation and orders issued by MSHA for unwarrantable failure to comply with mandatory health or safety standards.                                                                                                                                                                       |
| 5 | Represents the total number of flagrant violations identified.                                                                                                                                                                                                                                                         |
| 6 | Represents the total number of imminent danger orders issued under section 107(a) of the Mine Act.                                                                                                                                                                                                                     |
| 7 | Amounts represent the total dollar value of proposed assessments received from MSHA.                                                                                                                                                                                                                                   |
| 8 | Pending legal actions before the Federal Mine Safety and Health Review Commission (the “Commission”) as required to be reported by Section 1503(a)(3) of the Act.                                                                                                                                     |
| 9 | The following provides additional information regarding the types or categories of proceedings that may be brought before the commission:                                                                                                                                                                              |
|   | (i)   | Contest Proceedings - may be filed with the Commission by an operator to challenge the issuance of a citation or order issued by MSHA;                                                                                                                                             |
|--------|-------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   | (ii)  | Civil Penalty Proceedings - may be filed with the Commission by an operator to challenge a civil penalty MSHA has proposed for a violation contained in a citation or order;                                                                                                       |
|   | (iii) | Discrimination Proceedings - involves a miner’s allegation that he or she has suffered adverse employment action because he or she engaged in activity protected under the Mine Act, such as making a safety complaint;                                                      |
|   | (iv)  | Temporary Reinstatement Proceedings - involves cases in which a miner has filed a complaint with MSHA stating that he or she suffered discrimination and the miner lost his or her position;                                                                                       |
|   | (v)   | Compensation Proceedings - may be filed with the Commission by miners entitled to compensation when a mine is closed by certain closure orders issued by MSHA. The purpose of the proceeding is to determine the amount of compensation if any, due to miners idled by the orders; |
|   | (vi)  | Applications for Temporary Relief - applications for temporary relief of any order issued under Section 104; and                                                                                                                                                              |
|   | (vii) | Appeals.                                                                                                                                                                                                                                                                           |