Annual Report 2021

Financial Responsibility Supplemental Schedule Year Ended June 30, 2021 (Dollars in thousands) Reference to GAAP Financial Statements DOE Ratio Components Ratio Calculation Composite Score Calculation Statement and/or Note Statement Category or Note Description Elements Amount Inputs Result Ratio Strength Factor Weight Composite Score PRIMARY RESERVE RATIO Expendable Net Assets SFP Net assets without donor restrictions Net assets without donor restrictions $ 837,843 $ 837,843 SFP Net assets with donor restrictions Net assets with donor restrictions 216,243 216,243 Note 20 Related Parties Unsecured related party receivables 43,995 (43,995) Property, plant, and equipment (PP&E), net (* includes construction in progress and finance leases, as applicable) 999,697 (999,697) Note 24 U.S. DOE Supplemental Disclosure * PP&E, net, pre-implementation 851,511 Note 24 U.S. DOE Supplemental Disclosure * PP&E, net, post-implementation with outstanding debt 26,506 Note 24 U.S. DOE Supplemental Disclosure * PP&E, net, post-implementation without outstanding debt 38,223 Note 19 Leases and Other Commitments (Operating Leases) Lease right-of-use assets, post-implementation 83,457 N/A N/A Intangible assets - - N/A N/A Post-employment and defined benefit pension liabilities - - Long-term (LT) debt obtained for LT purposes 569,849 569,849 Note 24 U.S. DOE Supplemental Disclosure LT debt for LT purposes, pre-implementation 451,769 Note 24 U.S. DOE Supplemental Disclosure LT debt for LT purposes, post-implementation 31,132 Note 19 Leases and Other Commitments (Operating Leases) Right-of-use lease liabilities, post-implementation 86,948 Note 24 U.S. DOE Supplemental Disclosure Annuities, term endowments, and life income funds with donor restrictions 63,563 (63,563) Annuities with donor restrictions - Term endowments with donor restrictions 59,345 Life income funds with donor restrictions 4,218 Note 24 U.S. DOE Supplemental Disclosure Net assets with donor restrictions restricted in perpetuity 101,969 (101,969) 414,711 Total Expenses and Losses SOA Total Expenses Total expenses without donor restrictions 632,076 632,076 SOA Net unrealized loss and net realized loss on investments Losses without donor restrictions (non-operating and net investment losses, not included in total expenses above) - - Note 2 Summary of Significant Accounting Policies—Split Interest Agreements (Change in Split Interest Agreements, if loss) SOA Net unrealized loss and net realized loss on investments Net investment losses (included in losses above) - - N/A N/A Pension-related changes other than net periodic pension cost (included in losses above) - - 632,076 0.7 3.0 40% 1.2 EQUITY RATIO Modified Net Assets SFP Net assets without donor restrictions Net assets without donor restrictions 837,843 837,843 SFP Net assets with donor restrictions Net assets with donor restrictions 216,243 216,243 N/A N/A Intangible assets - - Note 20 Related Parties Unsecured related party receivable 43,995 (43,995) 1,010,091 Modified Assets SFP Total assets Total assets 1,816,842 1,816,842 N/A N/A Intangible assets - - Note 20 Related Parties Unsecured related party receivable 43,995 (43,995) 1,772,847 0.6 3.0 40% 1.2 NET INCOME RATIO SOA Change in net assets without donor restrictions Change in net assets without donor restrictions 81,155 81,155 81,155 SOA Total revenues and releases without donor restrictions Total revenues and gains without donor restrictions 713,231 713,231 713,231 0.1 3.0 20% 0.6 3.0 See accompanying Notes to Financial Responsibility Supplemental Schedule 45

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