ON NOVEMBER 6, 2015, REGION 7 ISSUED AN ADMINISTRATIVE SETTLEMENT AGREEMENT AND ORDER ON CONSENT FOR REMEDIAL DESIGN SAMPLING AND ANALYSIS IMPLEMENTATION (SETTLEMENT AGREEMENT), WITH THE STATE OF MISSOURI, DEPARTMENT OF NATURAL RESOURCES, DIVISION OF PARKS (THE STATE) CONCERNING BIG RIVER MINE TAILINGS SUPERFUND SITE, LOCATED IN ST FRANCOIS COUNTY, MISSOURI (THE SITE). THE STATE IS A POTENTIALLY RESPONSIBLE PARTY (PRP) AT THE SITE BECAUSE IT IS THE CURRENT OWNER OF A PORTION OF THE SITE.