Nicholas C. Fa11andakis Executive Vice President a11d Chief Filla11cial Officer 974 Centre Road The miracles of science~ Cl1estllut Ru11 Plaza 730/5101 RY;io~ ~ Wi/•ni•Wm• DE 19805 0 81 March 23, 2016 VIA CERTIFIED MAIL - RETURN RECEIPT REQUESTED U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Re: Financial Assurance Demonstration E. I. du Pont de Nemours and Company Radioactive Material License 07-13441-02 covering the following facilities: Experimental Station Stine-Haskell Research Center Glasgow Plant Chestnut Run Plaza Financial Assurance Amount $1,236, 150.00 I am the Chief Financial Officer of E.I. du Pont de Nemours and Company, 974 Centre Road, Wilmington, Delaware, 19805. This letter is in support of this firm's use of the financial test to demonstrate financial assurance for decommissioning, as specified in Appendix A to 10 CFR part 30. 1. This firm is the owner or operator of the following facilities for which financial assurance for decommissioning is demonstrated through the financial test specified in Appendix A to 10 CFR part 30. The current closure and/or post-closure cost estimates covered by the test are shown for each facility: Exhibit A. 2. This firm guarantees, through the guarantee specified in Appendix A to 10 CFR part 30, the decommissioning of the following facilities owned or operated by the guaranteed party. The current cost estimates for the decommissioning so guaranteed are shown for each facility: None. This firm is required to file a Form 1OK with the Securities and Exchange Commission (SEC) for the latest fiscal year. The fiscal year of this firm ends on December 31. The figures for the following items marked with an asterisk are derived from this firm's independently audited, year-end financial statements for the latest completed fiscal year, ended December 31, 2015. Alternative II 1. Sum of decommissioning funds estimates $1,236, 150 2. Current bond rating of most recent issuance and name of rating service: A I A2 .!J-t/ rJ {p L/J.. NONNEGOTIABLE r:~::::~m~! Mt.TERl.~LSa002 STD & POORS I MOODY'S 3. Date of issuance of bond: Feb 15, 2013 4. Date of maturity of bond: 2 tranches: Feb 15, 2023, and Feb 15, 2043 *5. Tangible net worth [if any portion of the closure and post-closure cost estimates is included in "total liabilities" on your firm's financial statements, you may add the amount of that portion to this line] $1,601 MM *6. Total Net Worth $9,993 MM *7. Total assets in U.S. (required only if less than 90% of firm's assets are located in the U.S.) $21,612 MM 8. Is line 5 at least $21 million? (Yes/No) Yes 9. Is line 6 at least 6 times line I? (Yes/No) Yes *10. Are at least 90% of firm's assets located in the U.S.? If not, complete line 10 (Yes/No) No 11. Is line 6 at least 6 times line 1? (Yes/No) Yes Signature:~ Name: Nicholas C. Fanandakis Title: Executive Vice President and Chief Financial Officer Date: March 23, 2016 NONNEGOTIABLE EXHIBIT A Liability Site Proa ram ID# Site Address Corrective Action Closure Post Closure UIC Insurance Radioactive Ex Station, Glasgow Matenal License 07 200 Po'l.der Mill Road, Wilmington, DE 19803; 2309 Sunset Lake Blvd, Plant CRP 13441-02 RML 07-13441-02 Newark, DE 19702, 4417 Lancaster Pike, Wilm1naton, DE 19805 $1,236,150 00 NONNEGOTIABLE EXHIBIT B pwc-• Report of Independent Accountants To E. I. du Pont de Nemours and Company: We have performed the procedures enumerated below, which were agreed to by you, solely to assist you, with respect to selected financial data of E. I. du Pont de Nemours and Company (the "Company") as contained in the accompanying letter dated March 23, 2016 from Nicholas Fanandakis to the U.S. Nuclear Regulatory Commission. These procedures were performed solely to assist the specified parties in confirming selected financial data disclosed by the Company in the accompanying letter to comply with the financial test option and the rules included in Appendix A to 10 CFR part 30 during the year ended December 31, 2015. Management is responsible for the Company's compliance with those requirements. This agreed­ upon procedures engagement was conducted in accordance with attestation standards established by the American Institute of Certified Public Accountants. The sufficiency of these procedures is solely the responsibility of those parties specified in this report. Consequently, we make no representation regarding the sufficiency of the procedures described below either for the purpose for which this report has been requested or for any other purpose. 1. We confirm that we have audited the consolidated financial statements of the Company as of and for the year ended December 31, 2015. Our report dated February 4, 2016, with respect thereto, is included in the Company's 2015 Annual Report on Form 10-K. 2. We compared the amount entitled "Tangible net worth" in the accompanying CFO letter to the Company's calculation of tangible net worth derived from the Company's December 31, 2015 consolidated financial statements, and found such amount to be in agreement with the calculation. 3. We compared the amount entitled "Total assets in the U.S." in the accompanying CFO letter to the Company's calculation of "Total assets in the U.S." and found such amount to be in agreement. This calculation was derived from the Company's underlying accounting records which support the December 31, 2015 consolidated financial statements. f••••••••oo•oo .. oouo•oooooououooo••••••••••••••••••••••••ooooo•o•u•oooo•oooooooooooooooooooooooooououooooooonooooooooonooooooouuooo•oooooUO••ooooooNONNEGOTIABLE .. oooooooo"oooooooooooouuuooooooooouoo•oooooooouooouuoooooooooooooooooooooo PricewaterhouseCoopers LLP, Two Commerce Square, Suite 1800, 2001 Market Street, Philadelphia, PA 19103-7042 T: (267) 330 3000, F: (267) 330 3300, www.pwc.com/us 4. We recalculated the percentage of Company assets located in the United States by dividing "Total assets in the U.S." from step 3 above by total assets appearing in the Company's December 31, 2014 consolidated financial statements, and found the percentage to be less than 90%. 5. We compared the amount entitled "Total net worth" in the accompanying CFO letter to the Company's calculation of total net worth derived from the Company's December 31, 2015 consolidated financial statements, and found such amount to be in agreement with the calculation. We were not engaged to and did not conduct an examination, the objective of which would be the expression of an opinion on financial compliance. Accordingly, we do not express such an opinion. Had we performed additional procedures, other matters might have come to our attention that would have been reported to you. This report relates only to the data specified in the steps above, and accordingly, we do not express an opinion or any form of assurance on any other data appearing in the Company's letter. This report is intended solely for the information and use of you and the U.S. Nuclear Regulatory Commission, and is not intended to be and should not be used by anyone other than these specified parties. March 23, 2016 NONNEGOTIABLE EXHIBIT C 2015 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) 1.i9 ANNUAL REPORT PURSUANT TO SECTION 13or15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2015 OR D TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-815 E. I. DU PONT DE NEMOURS AND COMPANY (Exact name of registrant as specified in its charter) DELAWARE 51-0014090 (State or Other Jurisdiction of Incorporation or Organization) (I.RS. Employer Identification No.) 974 Centre Road Wilmington, Delaware 19805 (Address of principal executive offices) Registrant's telephone number, including area code: 302-774-1000 Securities registered pursuant to Section 12(b) of the Act (Each class is registered on the New York Stock Exchange, Inc.): Title of Each Class Common Stock ($.30 par value) Preferred Stock (without par value-cumulative) $4.50 Series $3.50 Series No securities are registered pursuant to Section 12(g) of the Act. Indicate by check mark whether the registrant is a well-known seasoned issuer (as defined in Rule 405 of the Securities Act). Yes li9 No D Indicate by check mark whether the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes D No li9 Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes li9 No D Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes li9 No D Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best ofregistrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. D Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer.