Johnson Controls International Pic Johnson Registered Office: 1 Albert Quay, Cork, Ireland Controls Tel +414 524 4100 Fax +414 524 3232

Home , Johnson Controls

Johnson Controls International pic Johnson Registered Office: 1 Albert Quay, Cork, Ireland Controls Tel +414 524 4100 Fax +414 524 3232

July 19, 2019

Via U.S. Mail and email

David Neste Remediation and Redevelopment Program Wisconsin Depmiment of Natural Resources 625 E. County RoadY, Suite 700 Oshkosh, WI54901 Re: Tyco Fire Products LP Facility In Marinette, Wisconsin

Dear Mr. Neste:

We understand you provided three letters addressed to Mr. Jeffery Danko at Johnson Controls International, plc at an address of 5757 North Green Bay Avenue in Milwaukee, Wisconsin. The three letters are titled and dated: (1) Reported Contamination at the City of Marinette Waste Water Treatment Facility and Associated Fields Utilized for Landspreading of Biosolids Sludge; Marinette, WI, dated July 3, 2019; (2) Request for Additional Site Information in Marinette, Wisconsin, Request for Submittals on Behalf of JCI, DNR BRRTS Activity #s 02- 38-581955 & 02-38-580694, dated July 2, 2019; and (3) 3100 Woleske Road, Marinette, WI, Foam Storage Information Request and Inspection, dated July 2, 2019 (collectively, "DNR Letters").

The DNR Letters assert a number of factual statements on behalf of the Wisconsin Department ofNatural Resources regarding Johnson Controls International pic.

Mr. Danko is not an employee of Johnson Controls International, pic and such company is not registered to transact business in the State of Wisconsin or any other State. Please note Johnson Controls International pic is incorporated under the laws of the Republic of Ireland. Tyco Fire Products LP is registered to transact business in Wisconsin.

With respect to all of the factual assertions in the DNR Letters regm·ding Johnson Controls International, plc, please note that as an unregistered corporation, Johnson Controls International plc may by law only conduct the activities allowed for such entities under Wis. Stat. §180.1501(2)(a)-(k). Johnson Controls International, plc does not conduct any of the activities asserted in the DNR Letters. As a result, Johnson Controls International, pic is not a "responsible party" under Wis. Admin. Code § NR 700.03(51) as asserted, referenced or implied in the DNR Letters.

Registered in Ireland, No. 543654 Directors: J. Blackwell (USA), P.E. Cohade (French), M. Daniels (USA), W. Dunbar (USA), G. Haggerty (USA), G. Oliver (USA), S. Menne (Germany), J. Perochena (Mexico), J. Tinggren (Switzerland), M. Vergnano (USA), R. Yost (USA), J. Young (USA) Johnson Controls International pic Johnson Registered Office: 1 Albert Quay, Cork, Ireland Controls Tel+[ 414 524 4100] Fax +[414 524 3232 ]

The facility in Marinette is owned and operated by Tyco Fire Products LP and that is the only relevant entity in these matters. Accordingly, responses and information submitted to DNR will continue to be submitted by or on behalf of Tyco Fire Products LP.

Michael Peterson Vice President and Corporate Secretary Johnson Controls International pic