BOEHM, KURTZ & LOWRYAYr0RNEYs AT LAW

36 EAST SEVENTH STREETSUITE 15T0

CINCINNATI, OHIO 45202TELEPHONE (513) 421-2255

TELECOPIER (513) 421-2764

Via Electronic Filing andOvernight Mail

January 11, 2017

Ms. Talina R. Matthews, Executive DirectorKentucky Public Service Commission211 Sower BoulevardFrankfort, Kentucky 40602

Re: Case No. 2016-00370

Dear Ms. Matthews:

Please find enclosed the original and one (1) copy of the KENTUCKY INDUSTRIAL UTILITYCUSTOMERS, INC. FIRST SET OF DATA REQUESTS TO KENTUCKY UTILITIES COMPANY e-filedtoday in the above-referenced matter. In accordance with 807 KAR 5:00 1 Section 8(7), KRJC certifies that (a)the electronic version of this filing is a true and accurate copy of each paper filed in paper medium; (b) theelectronic version of this filing has been submitted to the Commission; and (c) a copy of this filing in papermedium has been mailed to all parties that the Commission has excused from electronic filing procedures. Nomaterials are being filed in paper that are not included in the electronic submission.

By copy of this letter, all parties listed on the Certificate of Service have been served. Please place thisdocument of file.

Ve ly ours,

Michae - z, Esq.Kurt J. Boehm, Esq.Jody Kyler Cohn, Esq.BOEHM, KURTZ & LOWRY

MLKkcwAtiachment

cc: Certificate of ServiceQuang Nyugen. Esq.Richard Raff. Esq.

G:\WORK\KIUC\KU & LGE\2016-00370 & 00371 (2016 Rate Case)\KI’SC Ltr - E-FTL1NG.docx

CERTIFICATE OF SERVICEThis is to certify that the foregoing copy of KENTUCKY INDUSTRIAL UTILITY CUSTOMERS,

INC. FIRST SET Of DATA REQUESTS TO KENTUCKY UTILITIES COMPANY are a true and accuratecopy of the documents being filed in paper medium; that the electronic filing was transmitted to theCommission on January 11, 2017; that there are currently no parties that the Commission has excused fromparticipation by electronic means in this proceeding; and, that a copy f the filing in paper medium is beingovemighted to the Coimission on January 11, 2017.

Michael L. Kurtz, Esq.Kurt J. Boehrn, Esq.Jody Kyler Cohn, Esq.

Andrea C BrownLexington-Fayette Urban County Government, Dept. Of Law200 East Main StreetLexington, KENTUCKY 40507

Honorable Allyson K Sturgeon, Senior Corporate AttorneyLG&E and KU Energy LLC220 West Main StreetLouisville, KENTUCKY 40202

Honorable Iris G Skidmore415W. Main Street, Suite 2Frankfort, KENTUCKY 40601

Barry Alan NaumSpilman Thomas & Battle, PLLC1100 Brent Creek Blvd., Suite 101Mechanicsburg, PENNSYLVANIA 17050

Carrie M HarrisSpilman Thomas & Battle, PLLC1100 Brent Creek Blvd., Suite 101Mechanicsburg, PENNSYLVANIA 17050

Carrie A RossSheppard Mullin Richter & Hampton LLP13001 Street NW, 11th Floor EastWashington, DISTRICT OF COLUMBIA 20005

Honorable David J. Barberie, Managing AttorneyLexington-Fayette Urban County Government, Dept. Of Law200 East Main StreetLexington, KENTUCKY 40507

Don C A ParkerSpilman Thomas & Battle, PLLC1100 Brent Creek Blvd., Suite 101Mechanicsburg, PENNSYLVANIA 17050

Gardner F GillespieSheppard Mullin Richter & Hampton LLP1300 I Street NW, 11th Floor EastWashington, DISTRICT OF COLUMBIA 20005

James W GardnerSturgill, Turner, Barker & Moloney, PLLC333 West Vine Street, Suite 1400Lexington, KENTUCKY 40507

Janet M Graham, Commissioner of LawLexington-Fayette Urban County Government, Dept. Of Law200 East Main StreetLexington, KENTUCKY 40507

Janice TheriotZielke Law Firm PLLC1250 Meidinger Tower, 462 South Fourth AvenueLouisville, KENTUCKY 40202

Honorable Kendñck R RiggsStoll Keenon Ogden, PLLC2000 PNC Plaza. 500 W Jefferson StreetLouisville, KENTUCKY 40202-2828

Kent ChandlerAssistant Attorney GeneralOffice of the Attorney General Office of Rate700 Capitol Avenue, Suite 20Frankfort, KENTUCKY 40601-8204

Lawrence W CookAssistant Attorney GeneralOffice of the Attorney General Office of Rate700 Capitol Avenue, Suite 20Frankfort, KENTUCKY 40601-8204

Laurence J ZielkeZielke Law Firm PLLC1250 Meidinger Tower462 South Fourth AvenueLouisville, KENTUCKY 40202

Paul WernerSheppard Mullin Richter & Hampton LLP1300 I Street NW, 11th Floor EastWashington, DISTRICT OF COLUMBIA 20005

Rebecca W GoodmanAssistant Attorney GeneralOffice of the Attorney General Office of Rate700 Capitol Avenue, Suite 20Frankfort, KENTUCKY 40601-8204

Honorable Robert C MooreStites & Harbison421 West Main Street, P. 0. Box 634Frankfort, KENTUCKY 40602-0634

Robert ConroyLG&E and KU Energy LLC220 West Main StreetLouisville, KENTUCKY 40202