JOHN C. GRIMBERG CO., INC.

47PM0121C0006, MOD PS0033 - PS0033 PACKAGE - CE 137, 138 & 139 BA55_62,097 - MOD TO ADD CE137/CE138/CE139 SERVICES. POP UNCHANGED AT 05/05/2026. LOCATED: LYNDON B. JOHNSON BUILDING - 400 MARYLAND AVENUE SW, WASHINGTON, DC 20024.

CONTRACT NUMBER N4008020C0004 MODIFICATION: P000013 - NRL 74/81 BUNDLE 01: PC03-12REASON CODE: UNFOEXTENSION OF THE CONTRACT TIME IS NOT REQUIRED BY REASON OF THIS MODIFICATION.DESCRIPTION OF THIS MODIFICATION CONTINUES ON PAGE 2.

ELECTRICAL ROUGH-IN WORKS FOR DOORS 118A AND 118B CAMERAS - P-190 P00007

BATTALION OPERATIONS FACILITY. CHANGE BB: PROVIDE ADDITIONAL FFE

47PM0121C0006, MOD PS0032 - PS0032 PACKAGE - CE 133, 134 & 135 BA55_172,168 - MOD TO ADD CE133/CE134/CE135 SERVICES. POP UNCHANGED AT 05/05/2026. LOCATION: LYNDON B. JOHNSON BUILDING - 400 MARYLAND AVENUE SW, WASHINGTON, DC 20024.

CLIN 0002 PENTAGON SENTRY NORTH VILLAGE

THE INTENT OF THIS MODIFICATION IS TO PROVIDE COSTS FOR OUTSTANDING CHANGES AND KTR OVERHEAD TO COMPLETE MBW BUILDING 8 RENOVATION.

47PM0121C0006, MOD PS0031 - PS0031 PACKAGE - 6TH FLOOR UNFORESEENS BA55 - 535,908 - MOD TO ADD CE129/CE130/CE131 SERVICES. POP UNCHANGED AT 05/05/2026. LOCATION: LYNDON B. JOHNSON BUILDING - 400 MARYLAND AVE. SW, WASHINGTON, DC 20024.

CHANGES FIXED PRICE SCOPE

P-021 SCPE/DSGN MULTI-CHANGE MODIFICATION

47PM0121C0006PS0030 - PS0030 PACKAGE - 3RD FLOOR SIGNAGE CHANGES AND FLS UPDATES BA55 - 38,467 - MOD TO UPDATE SIGNS/FLS NEEDS. POP UNCHANGED. LOCATED AT LBJ BUILDING - 400 MARYLAND AVE, SW, WASHINGTON, DC 20024.

CHANGE AP-BATTALION OPERATIONS FACILITY

BATTALION OPERATIONS FACILITY. FIELD CHANGES AT. AW, AY, AV & AZ

NHLBI - BUILDING 13 GROUND FLOOR (BASEMENT) RENOVATION ASSOCIATED PROJECTS INCLUDE: C102574, C104673, C104856, C105008, C105081, C102574 (RFP OPTION #3), AND C105081 (RFP OPTION #6)

CR: 00017 USER REQUESTED CHANGES

P190 - PC000018 UNSUITABLE SOILS PC000020 DIVIDE CONFERENCE RM 103 PC000022 DECONFLICT STORM STRUCTURE SD10 PC000024 ULTRA HIGH SPEED DELUGE SYSTEM PC000028 DISCONNECT SWITCH AND PVC CONDUITS PC000029 CONCRETE ENCASED DUCTBANK FOR POWER CABLE.

47PM0121C0006, MOD PS0029 - CORRECTIVE ACTION - RE-OBLIGATION OF PS0027 LINE ITEMS - MOD PS0028 ACCIDENTALLY DE-OBLIGATED THE FUNDS FROM MOD PS0027. THIS MOD PS0029 IS TO RE-OBLIGATE THE FUNDS FOR PS0027 AS NEEDED.

CHANGE AH - BATTALION OPERATIONS FACILITY, ALEXANDRIA, VA

DEOB MOD

47PM0121C0006 PS0027 - PS0027 PACKAGE - 6TH FLOOR DESIGN CHANGES, 6TH FL BR, 3RD FL CLOSEOUT MODIFICATIONS _SPLIT BA55-BA80 - MOD TO ADD CE83/CE107/CE120-127 SERVICES. POP EXTENDED FROM 02/16/2026 TO 05/05/2026. LOCATED AT THE LBJ BUILDING.

CORRECT CONTRACT VALUE

CR 00014 00015 00016

MINIMUM GUARANTEE

47PM0121C0006 - PS0026 PACKAGE - 6TH FLOOR OPTION SPLIT BA55-BA80 - 9,078,842 - MOD TO EXERCISE OPTION 3 FOR 6TH FLOOR CONSTRUCTION AT THE LBJ BUILDING, 400 MARYLAND AVENUE, SW WASHINGTON DC 20202. POP EXTENDED 403 DAYS, FROM 1/9/2025 TO 2/16/2026.

CR 0011 ADDITIONAL DOOR FRAMES AND HARDWARE CR 0012 INSTALL NATURAL GAS LINE TO VMS CR 0013 ACOUSTICAL PANELS FOR ASSEMBLY HALL

47PM0121C0006, MOD PS0025 - SPLIT BA55-BA80 - 302,060 - MOD TO ADD CE 86, CE 101, CE 102, CE 104, CE 105, CE 106, CE 108, CE 109, CE 110, CE 111, CE 112, CE 113, CE 114, CE 116, CE 117, AND CE 118 SERVICES. POP UNCHANGED. LOCATED AT LBJ BUILDING.

BASE BID

CR 009 REPLACE UNIT HEATERS IN VMS TC BUILDING REPAIR

BATTALION OPERATIONS FACILITY - CHANGE AO - PROVIDE ALL LABOR, MATERIAL, EQUIPMENT, AND SUPERVISION NECESSARY TO PROVIDE RIGID INCLUSIONS, IN LIEU OF AGGREGATE PIERS, PER SUBMITTAL 31 61 00-1, SUBMITTED ON FEBRUARY 8, 2023.

P00008 - P021 MASTER MODIFICATION FOR PROPOSE CHANGES - PC000025, 26, 27, 30, 31, 33, 34 AND 39

CLIN 0002 PENTAGON SENTRY NORTH VILLAGE

CR 8-2, CMU WALL REPLACEMENT

EXERCISE FF&E FOR P190 ADVANCED ENERGETICS LAB, INDIAN HEAD, MD

47PM0121C0006, MOD PS0024 - PS0024 PACKAGE - SPLIT BA55-BA80 - 461,868 - MOD TO CE 90, CE 94, CE 96, CE 97, CE 98, CE 99, CE 100, AND CE 103 SERVICES TO THE PROJECT. POP UNCHANGED. LOCATED AT LBJ BUILDING - 400 MARYLAND AVE. SW, WASHINGTON, DC 20024.

47PM0121C0006, MOD PS0023 - PS0023 PACKAGE - SPLIT BA55-BA80 - 967864 - THIS MODIFICATION IS TO COVER THE DAILY GENERAL CONDITIONS FOR A PERIOD OF 101 CALENDAR DAYS AT A PREVIOUSLY NEGOTIATED RATE, EXTENDING THE POP FROM 09/30/2024 TO 01/09/2024.

EXTENDED OVERHEAD (DEC-MAY)

NHLBI - BUILDING 13 GROUND FLOOR (BASEMENT) RENOVATION ASSOCIATED PROJECTS INCLUDE: C102574, C104673, C104856, C105008, C105081, C102574 (RFP OPTION #3), AND C105081 (RFP OPTION #6)

BATTALION OPERATIONS FACILITY: CHANGE AR GENERATOR PAD

BATTALION OPERATIONS FACILITY: CHANGE AB DEMO DESCOPE CREDIT

BATTALION OPERATIONS FACILITY CHANGE AQ UPSIZE PANELBOARDS

CR 8-1, CMU WALL REPLACEMENT

CR 07 CMU WALLS AND HEATERS

MOD PS0022 TO DEFINITIZE UNILATERAL MOD PC0020 FOR CE82

BASE BID: 74/81

EXERCISE CLIN 0011 - CFCI BONA FIDE NEED OMAR ITEMS

BASE BID

CHANGE REQUEST 5-2, UNFORESEEN ACM PIPING INSULATION REMOVAL

47PM0121C0006, MOD PS0021 - LBJ CONSOLIDATION CONSTRUCTION & SWITCHGEAR - SUPPLEMENTAL WORK WITHIN SCOPE

BATTALION OPERATIONS FACILITY: MOD A00005 CHANGE AM REINFORCE CURTAIN WALLS CW3 AND CW4 AND CHANGE AN PROVIDE CIRCUITS FOR FLOOR BOXES

BATTALION OPERATIONS FACILITY: CHANGE AG - ADJUST ELEVATOR SPACING