BECHTEL NATIONAL, INC.

THIS IS TO ADD $49,965,393.50 OF INCREMENTAL FUNDING TO WTP COMMISSIONING AND REVISE SECTION B TO REFLECT THESE CHANGES.

THIS IS TO ADD $293,277,275.78 OF INCREMENTAL FUNDING TO HLW AND LAW BASELINES AND WTP COMMISSIONING AND REVISE SECTION B TO REFLECT THESE CHANGES.

THE PURPOSE OF THIS MODIFICATION IS TO OBLIGATE CAPITAL FUNDS IN THE AMOUNT OF $37M FOR LAW BASELINE, ADD $84M FOR HLW FEE, AND REVISE SECTION B TO REFLECT THESE CHANGES.

THE PURPOSE OF THIS MODIFICATION IS TO DE-OBLIGATE FUNDS IN THE AMOUNT OF -$15,662,520.09 FOR LAB, BOF, AND EMF.

THIS MODIFICATION WILL PROVIDE INCREMENTAL CAPITAL FUNDING TO THE DFLAW PROJECT IN THE AMOUNT OF $35,000,000.00.

PROVIDE INCREMENTAL FUNDING TO THE DFLAW BASELINE.

THIS IS AN ADMINISTRATIVE MODIFICATION IS TO ADD INCREMENTAL FUNDING FOR OPEX IN THE AMOUNT OF $30,000,000 AND INCREASE CLIN 5.0.

THE PURPOSE OF THIS MODIFICATION IS TO UPDATE CONTRACT SECTION B, SUPPLIES OR SERVICES AND PRICES/COSTS AND OBLIGATE $223,612,462.00 TO HLW BASELINE AND $150,000,000.00 TO LAW BASELINE OF INCREMENTAL FUNDING AND INCREASE DFLAW OVERRUN CLIN 5.0 BY $15

THE PURPOSE OF THIS MODIFICATION IS TO UPDATE CONTRACT SECTION B, SUPPLIES OR SERVICES AND PRICES/COSTS AND OBLIGATE $100,000,000.00 OF INCREMENTAL FUNDING AND INCREASE CLIN 5.0.

THE PURPOSE OF THIS MODIFICATION IS TO CREATE A FUNDING LINE FOR WTP COMMISSIONING, PROVIDE $30M OF INCREMENTAL FUNDING FOR WTP COMMISSIONING, AND REVERSE UPDATES TO CLINS 1.0, 6.0 AND 6.1 AWARDED IN MODIFICATION 576.

THE PURPOSE OF THIS MODIFICATION IS TO UPDATE CONTRACT SECTION B, SUPPLIES OR SERVICES AND PRICES/COSTS AND OBLIGATE $312,546,718.57 OF INCREMENTAL FUNDING AND INCREASE CLIN 5.0.

THE PURPOSE OF THIS MODIFICATION IS TO INCREMENTALLY FUND THE CONTRACT TO PROVIDE FULL HLW FUNDING FOR CAPITAL LEASE OMEGA PARK 60/70 AND UPDATE SECTION B WITH $150K FOR UNITECH.

THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE $33M LAW/LAB/BOF FEE, UPDATE SECTION I.29(B), AND UPDATE SECTION J, ATTACHMENTS B AND M.

THE PURPOSE OF THIS MODIFICATION IS TO INCREMENTALLY FUND $2M OF FUNDING TO EMF AND TO PERFORM EMF MODIFICATIONS TO ACCOMMODATE POTENTIAL HIGH DOSE WASTE STREAMS.

THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE $320M OF FY24 INCREMENTAL FUNDING FOR LAW, LAB, BOF AND HLW.

$166,000,000.00 OF INCREMENTAL FUNDING FOR FY24 LAB BASELINE, LAW BASELINE, BOF BASELINE AND HLW BASELINE.

PCAPP FY24 INCREMENTAL CLOSURE FUNDING.

INCREMENTAL FUNDING

INCREMENTAL FUNDING

INCREMENTAL TREATY FUNDING

OBLIGATES HLW BASELINE FUNDING.

PCAPP REVISED AWARD FEE PLAN 19TH, INCORPORATED AWARD FEE PLAN 20TH, INCREMENTAL FUNDING, AND DE-OBLIGATE EXPIRING FUNDS

DEOBLIGATE FY20 FUNDS FROM EMF COVID, FY21 FUNDS FROM EMF BASELINE, FY20 FUNDS FROM LAW FEE, FY20 FUNDS FROM LAB FEE AND FY20 FUNDS FROM BOF FEE.

PCAPP DE-OBLIGATE FY21 EXPIRING FUNDS

PCAPP MODIFICATION TO INCLUDE INCREMENTAL FY23 TREATY FUNDING.

DE-OBLIGATE EXPIRING FUNDING ($0.08) FROM CLIN 0003AY.

PCAPP MODIFICATION TO INCLUDE INCREMENTAL FUNDING & FUNDING FOR FY21 RATE REBILL.

PCAPP MODIFICATION TO INCORPORATE UCO FOR MAIN PLANT PERIOD OF PERFORMANCE EXTENSION, GFP TRANSFER, AND TREATY INCREMENTAL FUNDING

PCAPP INCREMENTAL FUNDING & GFP TRANSFER

PROVIDE $300M INCREMENTAL FUNDING FOR LAW AND LAB BASELINE.

THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE $10;500,000 OF INCREMENTAL FUNDING FOR LAW AND LAB BASELINE FUNDS AND LAW AND LAB COVID FUNDS.

PCAPP INCREMENTAL FUNDING & CYBERSECURITY SOW MODIFICATION

PCAPP INCREMENTAL FUNDING MODIFICATION

PCAPP DE-OBLIGATIONS FROM CLINS 3AP, 3AZ, AND 3BA

THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE $60,387,000 OF INCREMENTAL FUNDING FOR HLW AND DEOBLIGATE LAW AND LAB BASELINE FUNDS AND OBLIGATE TO LAW AND LAB COVID FUNDS.

FY23 INCREMENTAL TREATY FUNDING & FY23 TREATY GUIDANCE

PCAPP FY23 INCREMENTAL FUNDING

PCAPP MOD TO DE-OBLIGATE EXPIRING FUNDING IN THE AMOUNT OF $55,842.16 FROM CLIN 0001AU.

DE-OBLIGATE FUNDING FROM CLIN 0005CT

PCAPP MOD FOR GFP TRANSFER, DE-OBLIGATE FUNDING, EXTEND POP FOR CLIN 0003AL

PCAPP MODIFICATION INCLUDES INCREMENTAL FUNDING, GFP TRANSFER, AND UPDATED SAFETY RECOGNITION PROGRAM PLAN

PROVIDE INCREMENTAL FUNDING.

FY22 RDT&E FUNDING FOR RATE REBILLS BASED ON LETTER BCO22060 AND GFP TRANSFER.

PCAPP MOD INCORPORATING INCREMENTAL FY22 FUNDING AND AWARD FEE PERIOD 16 (CY21-02)

FISCAL YEAR 2009 AND 2010 TO ADDRESS RATE REBILLS.