SKEO SOLUTIONS, INC.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC): CALL ORDER 36.0.0 R6. SUPERFUND FIVE YEAR REVIEW SUPPORT. MOD P00010: DEOBLIGATE $100.00 IN FUNDING AND REDUCE CEILING BY $100.00

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC): CALL ORDER 36.0.0 R6. SUPERFUND FIVE YEAR REVIEW SUPPORT. MOD P00009: DEOBLIGATE $73,400.00 IN FUNDING, OBLIGATE $39,950.00 IN FUNDING, AND REDUCE CEILING BY

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) SRP TRAINING & REGIONAL SEED SUPPORT; CALL ORDER#8 MOD P00015: INCORPORATE AMENDED SOW, APPROVE REVISED WORK PLAN AND COST ESTIMATE AND OBLIGATE FUNDING.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) CALL ORDER: 33.0.0 R9 SEMD MULTI-SITE TASC/CI SUPPORT MOD P00011: APPROVE REVISED WORK PLAN AND COST ESTIMATE, INCREASE CEILING AND OBLIGATE FUNDING.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) SRP TRAINING & REGIONAL SEED SUPPORT; CALL ORDER#8 MOD P00014: OBLIGATE FUNDING.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) CALL ORDER: 13.0.0 R4 - SEMD TECHNICAL WRITING SUPPORT MOD P00014:OBLIGATE FUNDING IN THE AMOUNT OF $31,500.00.

CALL ORDER: 14.0.0 OSRTI REGIONAL & HEADQUARTERS TASC/CI SUPPORT MOD P00028: MODIFICATION TO INCREMENTAL FUNDING UNDER THE CURRENTLY AUTHORIZED SCOPE OF WORK.

MOD P00015: MODIFICATION TO INCREMENTAL FUNDING UNDER THE CURRENTLY AUTHORIZED SCOPE OF WORK.

CALL ORDER 42.0.1 REGION 9 LAND, CHEMICAL AND REDEVELOPMENT DIVISION (LCRD) RESOURCE CONSERVATION AND RECOVERY ACT (RCRA) MULTI-SITE TECHNICAL ASSISTANCE SERVICES FOR COMMUNITIES (TASC) COMMUNITY INVOLVEMENT (CI) MOD P00007: EXTEND PERIOD AND APPR

CALL ORDER 68HERH22F0267 32.1.0 R4 - SUPERFUND FIVE-YEAR REVIEW SUPPORT P00004: EXTEND PERIOD OF PERFORMANCE TO JULY 31, 2026, APPROVE WORK PLAN AND COST ESTIMATE, INCREASE CEILING AND OBLIGATE FUNDING IN THE AMOUNT OF $604,800.00

MOD P0008 - 1.TO ADD SPECIAL ACCOUNTS FUNDING SOURCE TO R8 25 FIVE-YEAR REVIEW SUPPORT TO COINCIDE WITH REMEDIAL ACTION FUNDING IN THE AMOUNT OF $238,700.00. 2. EXTENSION OF POP 8/1/25-7/31/26 AND APPROVE AMENDED WORK COST ESTIMATE AND AMENDED SOW

BPA# 68HERH21A0018 CALL ORDER# 1.0.0 RCRA ECONOMIC/BENEFITS ANALYSIS SUPPORT P00009: OBLIGATE FUNDING.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) CALL ORDER: 39.0.1 R1 - FIVE YEAR REVIEW SUPPORT P00005: APPROVE REVISED WORK PLAN AND COST ESTIMATE TO ADD SITES, ADD TRAVEL COST/EQUIPMENT SUPPORT COST, EX

SUPERFUND REDEVELOPMENT INITIATIVE AND TECHNICAL ASSISTANCE SERVICES CONTRACT MOD P00008: EXTEND THE PERIOD OF PERFORMANCE TO 7/31/26, APPROVE THE COST ESTIMATE FOR THE AMENDED SOW, AND ADD FUNDING IN THE AMOUNT OF $570,000.00.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) CALL ORDER: 26.0.0 REGION 10 SUPERFUND FIVE-YEAR REVIEWS (FYRS) SUPPORT P00006: TO EXTEND THE PERIOD OF PERFORMANCE TO 7/31/2026, AMEND AND APPROVE SOW, AD

MOD P00007: TO EXTEND THE PERIOD OF PERFORMANCE TO 7/31/2026, AMEND THE SOW AND ADD ADDITIONAL FUNDING.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) P00012: APPROVE REVISED WORK PLAN AND COST ESTIMATE, INCREASE CEILING AND OBLIGATE FUNDING.

CALL ORDER: 14.0.0 OSRTI REGIONAL & HEADQUARTERS TASC/CI SUPPORT MOD P00026: TO EXTEND THE PERIOD OF PERFORMANCE AND ADD ADDITIONAL FUNDING.

SUPERFUND REDEVELOPMENT INITIATIVE AND TECHNICAL ASSISTANCE SERVICES CONTRACT OSRTI TIFSD TAB MINING SITES AND ECOLOGICAL REVITALIZATION PROJECT SUPPORT MOD P00006: TO PROVIDE INCREMENTAL FUNDING IN THE AMOUNT OF $177,000.00.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) CALL ORDER 41.0.1 R9 SFD - LEVIATHAN MINE SUPPORT MOD P00003: TO ADD AN ADDITIONAL $45,000.00 IN FUNDING.

MOD P00004: REQUESTING DE-OBLIGATION IN THE AMOUNT $5,633.99 OF REMAINING FUNDING. CALL ORDER CLOSED.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC). CALL ORDER: 30.0.0 OSRTI EJ PROGRAMMATIC SUPPORT. P0005: THE PURPOSE OF THIS ADMINISTRATION MODIFICATION IS TO DE-OBLIGATE FUNDING IN THE AMOUNT OF $10,500.00

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC). CALL ORDER: 19.0.0 OEJ REGIONAL & HEADQUARTERS TASC/ENVIRONMENTAL JUSTICE SUPPORT MOD P00008: DE-OBLIGATE FUNDING IN THE AMOUNT OF $75,075.00

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) - DEOBLIGATION OF FUNDS

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC). P00006: DE-OBLIGATE FUNDING IN THE AMOUNT OF $255,353,04

MOD P00004 - DE-OB REMAINING FUNDING ($500), CALL ORDER CLOSED. BPA 68HERH21A0018, CO 68HERH22F0256 (28.0.0 R9 - CENTRAL BLACK MESA)

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC). CALL ORDER: 21.0.0 OSRTI SITE ASSESSMENT AND REMEDY DECISIONS BRANCH (SARDB) SUPPORT. MOD P00007: DE-OBLIGATE IN THE AMOUNT OF $38,850.00

MOD P000003 - TO DE-OBLIGATE REMAINING $250.00; CALL ORDER CLOSED. ALL WORK COMPLETED, COSTS INVOICED AND PAID.

MOD P00006: DE-OB $22,050.00 ACCOUNTING LINE #4 (DCN 247DC5005) FY2024 FUNDING. CALL ORDER TERMINATED

MOD P00023: OBLIGATE FUNDING IN THE AMOUNT OF $100,000.00.

CALL ORDER: 33.0.0 R9 SEMD MULTI-SITE TASC/CI SUPPORT MOD P00007: OBLIGATE FUNDING IN THE AMOUNT OF $106,925.

CALL ORDER 39.0.1 R1 - FIVE YEAR REVIEW SUPPORT THE PURPOSE OF THIS MODIFICATION IS TO: 1. OBLIGATE FUNDING IN THE AMOUNT OF $178,500.00, INCREASING THE FUNDING CEILING FROM $1,104,600 TO $1,283,100. ALL OTHER TERMS AND CONDITIONS PREVIOUSLY

MOD P00011:TO ADD INCREMENTAL FUNDING IN THE AMOUNT OF $56,250.00 FOR CONTRACT#68HERH21A0018, CO#68HERH22F0060 (13.0.0 R4-SEMD TECHNICAL WRITING SUPPORT).

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) MOD P00010: OBLIGATE FUNDING IN THE AMOUNT OF $19.025.00.

BPA# 68HERH21A0018 CALL ORDER# 1.0.0 RCRA ECONOMIC/BENEFITS ANALYSIS SUPPORT THE PURPOSE OF THIS MODIFICATION IS TO: 1. APPROVE THE CONTRACTOR'S REVISED WP/CE RECEIVED ON 9/29/2024 IN THE AMOUNT OF $756,000.00. 2. OBLIGATE FUNDING IN THE

CALL ORDER: 24.0.0 R9 NAUM COMMUNITY LIAISONS MOD P00006: APPROVE REVISED WP AND CE, DESCOPE WORK, DECREASE CEILING AND DE-OBLIGATE AND RE-OBLIGATE FUNDING.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) CALL ORDER: 25.0.0 R8 SUPERFUND FIVE-YEAR REVIEWS (FYRS) SUPPORT MOD P0007: TO ADD FUNDS IN THE AMOUNT OF $80,850.00.

MODIFICATION P00003: CALL ORDER CLOSED, DE-OB REMAINING FUNDS OF $27,300.00 ALL WORK COMPLETE, INVOICED AND PAID.

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) CALL ORDER: 25.0.0 R8 SUPERFUND FIVE-YEAR REVIEWS (FYRS) SUPPORT MOD P0005: REVISING SOW, APPROVING UPDATED WORKPLAN/COST ESTIMATE, INCREASING CEILING AND

MOD P00021: TO ADD INCREMENTAL FUNDING IN THE AMOUNT OF $100,000.00 FOR FEDERAL FACILITY PROJECTS UNDER THE AUTHORIZED SCOPE FOR THE TECHNICAL ASSISTANCE SERVICES FOR COMMUNITIES.

MOD P00012: SUPPLEMENTAL AGREEMENT FOR UPDATED SCOPE OF WORK AND ADD FUNDING TO CLIN 0001

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) CALL ORDER: 29.0.0 OMDP MINING MISSION SUPPORT MODIFICATION P00003: ADD WORKPLAN COST ESTIMATE, INCREASES THE CEILING AND OBLIGATES FUNDING

SUPERFUND REDEVELOPMENT INITIATIVE (SRI) AND TECHNICAL ASSISTANCE SERVICES CONTRACT (TASC) P00009: APPROVE REVISED WORK PLAN / COST ESTIMATE WITH A INCREASE CEILING OF OBLIGATE FUNDS

NEW CALL ORDER 41.0.1 R9 SFD - LEVIATHAN MINE SUPPORT MOD P00001: EXTEND THE PERIOD OF PERFORMANCE THROUGH 31 JULY 2025 AND OBLIGATE $30,000.00 OF FUNDING

MOD P00010: EXTEND PERIOD OF PERFORMANCE TO 31 JULY 2025 AND APPROVE UPDATED WORK PLAN COST ESTIMATE

CALL ORDER 39.0.1 R1 - FIVE YEAR REVIEW SUPPORT MOD P00003: UPDATE STATEMENT OF WORK AND CALL ORDER CEILING, OBLIGATE $44,100 OF FUNDING AND EXTEND PERIOD OF PERFORMANCE THROUGH 31 JULY 2025

MOD P00003: EXERCISE OPTION PERIOD III AND OBLIGATE FUNDING

MOD P00006: EXTEND PERIOD, APPROVE REVISED WORK PLAN AND COST ESTIMATE, INCREASE CEILING AND ADD FUNDING

CALL ORDER: 14.0.0 OSRTI REGIONAL & HEADQUARTERS TASC/CI SUPPORT. P00019: APPROVE REVISED WORK PLAN AND COST ESTIMATE, INCREASE CEILING, AND OBLIGATE FUNDING.

THE PURPOSE OF THIS MODIFICATION IS TO OBLIGATE FUNDING IN THE AMOUNT OF $45,645.00, INCREASE TOTAL FUNDING FROM $230,000.00 TO $275,645.00. THE CONTRACTOR IS NOT AUTHORIZED TO EXCEED THIS AMOUNT WITHOUT PRIOR WRITTEN APPROVAL FROM THE CONTRACTING OF