Electronically Served 9/22/2017 10:33 PM Hennepin County, MN 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 7:31 PM Hennepin County, MN STATE OF MINNESOTA DISTRICT COURT FOR THE COUNTY OF HENNEPIN FOURTH JUDICIAL DISTRICT CIVIL ACTION NO. 27-CV-10-28862 STATE OF MINNESOTA, et al. v. 3M COMPANY EXPERT REPORT OF PHILIPPE GRANDJEAN, MD, DMSc PREPARED ON BEHALF OF PLAINTIFF STATE OF MINNESOTA 22 September, 2017 CONFIDENTIAL - SUBJECT TO A PROTECTIVE ORDER ENTERED IN HENNEPIN COUNTY DISTRICT COURT, NO. 27-CV-10-28862 27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 7:31 PM Hennepin County, MN a disease, such as prostate cancer, occurs at a different (lower) rate in the background population o f M innesota, as com pared to the country as a whole.

Exhibit Number Bates 2773.0001 2773.0002 2773.0003 2773.0004 2773.0005 3M_MN04734385 3M _M N 05367606 3M _M N 05367594 3M MN05367600 3M_MN05367598 2773.0006 2773.0007 3M_MN05367613 3M _M N 05367592 2773.0008 2773.0009 2773.0010 2773.0011 2773.0012 3M _M N 05367612 3M _M N 05367587 3M_MN05367581 3M _M N 05367579 3M _M N 05367577 2773.0013 2773.0014 2773.0015 2773.0016 2773.0017 2773.0018 2773.0019 3M_MN05367611 3M_MN05367575 3M_MN05367571 3M _M N 05367556 3M_MN05367551 3M_MN05367548 3M _M N 05367546 2773.0020 2773.0021 2773.0022 2773.0023 2773.0024 2773.0025 2773.0026 3M _M N 05367614 3M _M N 05367537 3M _M N 05367540 3M _M N 05367542 3M_MN05367545 3M_MN05367533 3M_MN05367535 3M Payments fo r John Giesy Work Date Entity 3/7/1993 7/4 - 7/31/1998 8/29 - 10/2/1998 11/28 - 12/31/1998 1/2 - 1/29/1999 7/26/1999 7/31 - 8/27/1999 9/16/1999 10/2 - 10/29/1999 1/1 - 1/28/2000 1/29 - 2/25/2000 2/26 - 3/31/2000 3/16/2000 4/1 - 4/28/2000 4/29 - 5/26/2000 5/27 - 6/30/2000 7/1 - 7/28/2000 7/29 - 8/25/2000 8/26 - 9/29/2000 9/19/2000 John P.

PFOA M/S & E -^ b 1 1 7 8 .0 0 0 1 Exhibit 1178 State of Minnesota v. 3M Co., Court File No. 27-CV-10-28862 3M MN01692291 ty Ju n e 20, I97K BLOOD LEVELS O F R F / F IN SELECTED EM PLO Y EES: Beginning in 1976 we began to sam p le se lec ted JM em p lo y ees to determ ine the am ount of organic fluorine (R -F ) and inorganic fluoride (FI in th eir blood.

28 March 1999 To: 3M Iresignmy positionasEnvironmental Specialisteffective6April 1999.

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M innesota Pollution Control Agency July 18, 2006 CERTIFIED MAIL NO. 7005 3110 0002 5656 2476 RETURN RECEIPT REQUESTED Mr.

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27-CV-10-28862 CONFIDENTIAL Filed in Fourth Judicial District Court 11/17/2017 6:15 PM Hennepin County, MN Transcript of Michael Santoro 10 (3 7 to 4 0 ) Conducted on September 15, 2017 37 39 1 baseline operatingtemperatures are 1100 F, 590 C inthe 1 Q.

27-CV-10-28862 ^jPTHICAL FORMULA: V 7 2 STRUCTURAL FORMULA C_F_GOOH TEST* ' , toxicity ORGANISMt mica TIvATlON i NAMEt Perfluorobutyric Acid GSaCRIPTlON 0?

April 15, 2012 Probable Link Evaluation of Cancer Conclusion: On the basis of epidemiologic and other data available to the C8 Science Panel, we conclude that there is a probable link between exposure to C8 (also known as PFOA) and testicular cancer and kidney cancer but not any of the other cancers that were considered.

27-CV-10-28862 Filed in Fourth Judicial District Court 2/14/2018 6:14 PM Hennepin County, MN STATE OF MINNESOTA DISTRICT COURT COUNTY OF HENNEPIN FOURTH JUDICIAL DISTRICT 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, Case Type: Other Civil Judge Kevin S.

August 9, I960 FOR GEOLOGY DEPARTMENT USE ONLY FIELD LETTER OF ALLAN E.

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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 State of Minnesota, by its Attorney General, Lori Swanson, its Commissioner of Pollution Control, John Line Stine, and its Commissioner of Natural Resources, Tom Landwehr, Plaintiff, vs. 3M Company, Defendant.

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