27-CV-10-28862 Filed in Fourth Judicial District Court 2/20/2018 3:34 PM Hennepin County, MN STATE OF MINNESOTA COUNTY OF HENNEPIN DISTRICT COURT FOURTH JUDICIAL DISTRICT State of Minnesota, by its Attorney General, Lori Swanson, its Commissioner of Pollution Control, John Linc Stine, and its Commissioner ofNatural Resources, Tom Landwehr, Plaintiff, vs. 3M Company, Defendant.

m~ mm DDEEPPAARRTTMMEENNTT OOFF HHEEAALLTTHH Protecting, Maintaining and Improving the Health o] All June 7,2017 June 7, 2017 City of Cottage Grove c8cC/6/ioot3y5NMoirWfr..eCLsLoeettsstaPBBgouuiernrsstGhhrDttoeoevunneglas Road Cottage Grove, MN 55016 8635 West Point Douglas Road Cottage Grove, MN 55016 SSuubbjjeecctt:: NNoottiiccee ooff HHeeaalltthh RRiisskk AAddvviissoorryy ffoorr PPeerrfflluuoorroocchheemmiiccaallss ((PPFFCCss)) Gentlemen/Ladies: Gentlemen/Ladies: TThhiiss lleetttteerr iiss ttoo nnoottiiffyy yyoouu tthhaatt tthhee MMiinnnneessoottaa DDeeppaarrttmmeenntt ooff HHeeaalltthh ((MMDDHH)) iiss iissssuuiinngg aa NNoottiiccee ooff HHeeaalltthh RRiisskk AAddvviissoorryy ffoorr CCoottttaaggee GGrroovvee WWeellll NNooss.. 22--8 8anandd 1100..

anos Now eas: NOH sunoweasrc an choca n smaprvtevets, cityvata in Ext at, Boi (hutou/Jw health,sate.mn.usindex.hum) MN) SOFESHAEEAILMTEHNT News Release May 23,2017 J.

: July 30,2012 July 30, 2012 `rEPorobbbvaibleeLaLiinnkklEvauluatiaonooftfTThhyi yrrooiiddoddiisseneaassee CCoonnclculussiioonn:: OOnn tthhee bbaassiissooff eeppiiddeemmioiollooggiiccaall aanndd ootthheerr ddaattaa aavvaaiillaabbllee ttoo tthhee CC88 SScciieennccee: Pane, we conclude that there is probable lnk between excosure to C3 (aso known as Panel, we conclude that there is a probable link between exposure to C8 (also known as PFOA) and nyrod disease PFOA) and thyroid disease.

m DODFEEPPHAAERRATTLMMTEEHNNTT OF HEALTH Health Risk Assessment UnHHie,eaalElitnhhvBiBaoasnsemeeddnGGtauulidHaienacdletfahfoorDrniWW vaictsaieteoernr Health Risk Assessment Unit, Environmental H6e5a1l.th20D1i.v4is8io9n0 651-201-4899 W Weebb PPuubblliiccaattiioonn DDaattee:: MMaayy 22001177 CTTAooSx:xiicc3o3o5ll-oo67gg-i1i(ccfaarelle SaSciuudm)mmmaarryy ffoorr:: PPeerrfflluuoorrooooccttaannooiicc AAcciidd CAS: 3333833325555.---66626676.--01-01(f((ara(eccaeiidmdamffcllouiudnoo)irriiuddmee))salt, APFO) 322333835929.5559.--23006-003---188(s(((iapplmoovtetmarasosssasnliiuituu)mmm sssaaallttl)t), APFO) 333No333t555e---:999535p---35e5r(((ussscoiolrvddoeiiourucmsmtaasslntaa)olltat))te anion doesnothave a specific CAS number] Synonym: PFOA [Note: perfluorooctanoate Synonym: PFOA anion does not have a specific CAS number.]

MMeeeettiinngg BBeettwweeeenn KKEEMMII aanndd 33MM HHuummaann RRiisskk CChhaararaccteterriizzaattiioonn ffoorr PPFFOOSS TTuueessddaayy,, JJuunnee 2299,, 22000044 1/23/2018 1949.0001 Exhibit 1949 State of Minnesota v. 3M Co., Court File No. 27-CV-10-28862 AArreeaass ooff AAggrreeeemmeenntt CCoommppaarriissoonnss ooff sseerruumm PPFFOOSS ccoonncceennttrraattiioonnss ccaann bbee uusseedd ffoorr rriisskk cchhaarraacctteerriizzaattiioonn iinn aa mmaarrgginin--ooff--ssaaffeettyy aapppprrooaacchh -- PPhhaarrmmaacockoiknineettiiccss pprrooppeerrttiieess ooff PPFFOOSS + ggoooodd aabbssoorrppttiioonn,, pprrootteeiinn bbiinnddiinngg,, nnoo mmeettaabboolliissmm,, aanndd poooorr eelliimmiinnaattiioonn are iiddeaall for ussiinng serruumm PFOS ccoonncceenntrtraattiioonn aass aann iinnddeexx ooff eexxppoossuurree.. -- BBiioollooggiiccaall eeffffeeccttss iinn ttooxxiiccoollooggyy ssttuuddiieess ccoorrrreellaattee ssttrroonnggllyy wwiitthh ddoossee aanndd sseerruumm PPFFOOSS ccoonncceennttrraattiioonn 11/12233/122001188 2 2 1048.0002 1949.0002 AArreeaass ooff AAggrreeeemmeenntt + CooChnnhaeeararssactttcuuetdderyyriizzaaaannttddiiooeennnndoodpffporroiiisinsnkktt bb((eaae..ssggee..

27-CV-10-28862 Filed in Fourth Judicial District Court 2/14/2018 1:51 PM Hennepin County, MN STATE OF MINNESOTA COUNTY OF HENNEPIN State of Minnesota, by its Attorney General Lori Swanson, its Commissioner of Pollution Control, John Linc Stine, and its Commissioner of Natural Resources, Tom Landwehr, Plaintiff, v. 3M Company, Defendant.

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(MDH laze MMiinnnneessoottaa RReeggiissttrraattiioonn && CCeerrttiiffiiccaattiioonn ((MMRR&&CC)) DDooccuummenetnatattiioonn ooff DDeeaatthh Deceased Name (First, Middle, Last, Suffix) prow Date of Death para Date of Birth WMO VTYYwY MM DD YYYY Q Unknown Age (in years) Prior to First Marriage =Sex Swe O Male Sree O Female O Unknown Also Known As Soc Sey om Social Security Number | onrw Ounnm O None O Unknown Under 1 Year aca O Not Obtainable Under 1 Day MM DD YYYY months days hours minutes wos erm Birth Country [O Som mo sass O Born in the United States State/Province Cit dTown Haus Sect O Not U.S.

ChemView I US EPA Contact Us tutionrrr ndes Pollution Prevention and Toxics YOU are here: EPA Home ~ Chemical Safety and Pollution Prevention ~ Pollution Prevention and Toxics ~ Existing Chemicals ~ ChemView Introduction ~ ChemView CChheemmVViieeww ng mn coco hes lt vyC4 rd OV ss ey ro 5h at nr Tok Use this database to get information on chemical health and safety data received by EPA and EPA's assessments and regulatory actions for specific chemicals under the Toxic SmsCore Sy Cot os or in i CB.

YY) m SODFEEFPHAAERRATTLMMTEEHNNTT OF HEALTH Health Risk Assessment UnHHie,eaalElitnhhvBiBaoasnsemeeddnGGtauulidHaienacdletfahfoorDrniWW vaictsaieteoernr Health Risk Assessment Unit, Environmental H6e5a1l.th20D1i.v4is8io9n0 651-201-4899 W Weebb PPuubblliiccaattiioonn DDaattee:: MMaayy 22001177 TCTAooSx:xiicc1oo7l6l3oo-g2g3i-icc1aaalclidSS)uummmmaarryy ffoorr:: PPeerrfflluuoorrooooccttaannee SSuullffoonnaattee CAS: 272109972060283851-12---3155-4661---989(a(((cadaimidme)mmtohoannniiouulmmamssiaanllett))salt) 7222709792945255.5-733--9197-4-233-85((pp((doloiitteatathsshissuaiimunumosmallastsm)aallittn))e salt) `Synonym[N2Nso9:to4et5e:P7:F-pp7Oee2Srr-,fu5ludP(orleriortoohfociicututmoaarnnocosoaaactlttteea)naaensniuioolnnfoddnooieecssacnnioodtt hhaavvee aa ssppeecciiffiicc CCAASS nnuum mbbeerr,]] Synonyms: PFOS, Perfluorooctane sulfonic acid MaMnDDdHHkcceooynnsddtuuuccdtyteeidddeaantffoiofcciuucssateeiddonrreoc--oeonvvtaalaluuiaantteiidoonnw,,itwwhhihiniccthhherreeEltiPieeAdd hhHeeeaaavlvitilhlyyEuufppfeoocnntsEEPSPAuA'p'pssohhraatzzDaarorddcauasmssseeensstssmfmoerenntt aPPtheneerdrfftlkluouexooyirrcosoootolucocdgttaiyancniaeedleSSlnuiutltlieffforiocannataautttrioeeenw((PaPcFFsoOOnnSSto)a)tinrrceeeolldeneadwasusicetehtddeiniidnn.thMMeaayyEP22A0011H66e((aEElPtPhAA 2016a).

MMiinnnneessoottaa PPoolllluuttiioonn CCoonnttrrooll AAggeennccyy RReessppoonnsseess ttoo tthhee 22001166 DDrraafftt IImmppaaiirreedd WWaatteerrss LLiisstt PPuubblliicc NNoottiiccee CCoommmmeennttss JJaannuuaarryy 44,, 22001177 The 2016 Drat Impaired Waters List comment period began on August 1, 2016 and ended on The 2016 Draft Impaired Waters List comment period began on August 1, 2016 and ended on SSeepptteemmbbeerr 3300,, 22001166..

1717 Dixie Highway, Suite 91T0el:/ C85o9v.3i31n.2g83t8on, KenFtauxc:ky51431.031811-.46761034 wwtaftavicom R6Hiocasiegrtiawsotcriotmn January 3, 2018 BY EMAIL AND REGULAR U.S.

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ee < RReevviieeww ooff PPFFOOSS IImmppaaiirrmmeenntt iinn MMiissssiissssiippppii RRiivveerr PPooooll 22 Prepared for: Barnes & Thornburg LLP Chicago, Illinois On behalf of: wre Metropolitan Council Environmental Services St.