Award 0 of 239

Identifier	Procurement Instrument Modification DEAC5206NA25396 446 Link
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Place of Performance	LOS ALAMOS, NEW MEXICO 875450001 UNITED STATES
Action Type	Definitive Contract
Dates	Signed Effective Last Modified September 16, 2020 December 21, 2005 September 16, 2020
Values (USD)	Obligated Exercised Potential Modification -5,089,642.13 -5,089,642.13 -5,089,642.13 Total 27,424,768,630.96 36,594,910,357.87 36,594,910,357.87

Award 1 of 239

Identifier	Procurement Instrument Modification DEAC3243AL00036 655 Link
Vendor	Los Alamos National Laboratory Vendor as written: "REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY", DUNS: 868480484
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY (M&O CONTRACT-W-7405-ENG-36)
Place of Performance	LOS ALAMOS, NEW MEXICO 875443304 UNITED STATES
Action Type	Definitive Contract
Dates	Signed Effective Last Modified March 5, 2020 June 30, 1979 March 5, 2020
Values (USD)	Obligated Exercised Potential Modification 5,000,000.00 5,000,000.00 5,000,000.00 Total 35,142,244,855.18 35,142,244,855.18 35,142,244,855.18

Award 2 of 239

Identifier	Procurement Instrument Modification DEAC3243AL00036 654 Link
Vendor	Los Alamos National Laboratory Vendor as written: "REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY", DUNS: 868480484
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY (M&O CONTRACT-W-7405-ENG-36)
Place of Performance	LOS ALAMOS, NEW MEXICO 875443304 UNITED STATES
Action Type	Definitive Contract
Dates	Signed Effective Last Modified February 20, 2020 June 30, 1979 February 20, 2020
Values (USD)	Obligated Exercised Potential Modification 48,554,359.00 48,554,359.00 48,554,359.00 Total 35,137,244,855.18 35,137,244,855.18 35,137,244,855.18

Award 3 of 239

Identifier	Procurement Instrument Modification DEAC5206NA25396 445 Link
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Place of Performance	LOS ALAMOS, NEW MEXICO 875450001 UNITED STATES
Action Type	Definitive Contract
Dates	Signed Effective Last Modified September 5, 2019 September 5, 2019 September 5, 2019
Values (USD)	Obligated Exercised Potential Modification 262,993.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 4 of 239

Identifier	Procurement Instrument Modification DEAC5206NA25396 444 Link
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Place of Performance	LOS ALAMOS, NEW MEXICO 875450001 UNITED STATES
Action Type	Definitive Contract
Dates	Signed Effective Last Modified August 25, 2019 August 25, 2019 August 27, 2019
Values (USD)	Obligated Exercised Potential Modification -3,614,997.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 5 of 239

Identifier	Procurement Instrument Modification 47QMCC19PA168 0 Link
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Requesting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Description	VEHICLE REPAIR
Place of Performance	LOS ALAMOS, NEW MEXICO 875450001 UNITED STATES
Action Type	Purchase Order
Dates	Signed Effective Last Modified May 30, 2019 May 30, 2019 October 29, 2019
Values (USD)	Obligated Exercised Potential Modification 4,361.17 4,361.17 4,361.17 Total 4,361.17 4,361.17 4,361.17

Award 6 of 239

Title	DEFINITIVE CONTRACT DEAC3243AL00036 (653) awarded to REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY, was modified for the amount of $6,278,400
Vendor	Los Alamos National Laboratory Vendor as written: "REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY", DUNS: 868480484
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY (M&O CONTRACT-W-7405-ENG-36)
Action Type	Definitive Contract
Dates	Signed Effective Last Modified February 14, 2019 February 14, 2019 February 14, 2019
Values (USD)	Obligated Exercised Potential Modification 6,278,400.00 6,278,400.00 6,278,400.00 Total 35,088,690,496.18 35,088,690,496.18 35,088,690,496.18

Award 7 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (443) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of -$5,359,922
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified January 30, 2019 January 30, 2019 January 30, 2019
Values (USD)	Obligated Exercised Potential Modification -5,359,922.00 0.00 0.00 Total 27,433,210,277.09 36,600,000,000.00 36,600,000,000.00

Award 8 of 239

Title	DEFINITIVE CONTRACT DEAC3243AL00036 (652) awarded to REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY, was modified for the amount of $85,365,645
Vendor	Los Alamos National Laboratory Vendor as written: "REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY", DUNS: 868480484
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY (M&O CONTRACT-W-7405-ENG-36)
Action Type	Definitive Contract
Dates	Signed Effective Last Modified January 14, 2019 January 14, 2019 January 14, 2019
Values (USD)	Obligated Exercised Potential Modification 85,365,645.00 85,365,645.00 85,365,645.00 Total 35,082,412,096.18 35,082,412,096.18 35,082,412,096.18

Award 9 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (441) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Defense: Air Force Department as written: "DEPT OF DEFENSE" Agency as written: "DEPT OF THE AIR FORCE" Office: F59900 SAF FMBIB
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified December 14, 2018 December 14, 2018 December 14, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,438,570,199.09 36,600,000,000.00 36,600,000,000.00

Award 10 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (439) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of -$1,608,908,094.4
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified November 27, 2018 November 27, 2018 November 27, 2018
Values (USD)	Obligated Exercised Potential Modification -1,608,908,094.40 0.00 0.00 Total 27,438,570,199.09 36,600,000,000.00 36,600,000,000.00

Award 11 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (440) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of -$156,533,779.77
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Defense: Air Force Department as written: "DEPT OF DEFENSE" Agency as written: "DEPT OF THE AIR FORCE" Office: F59900 SAF FMBIB
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified November 27, 2018 November 27, 2018 November 27, 2018
Values (USD)	Obligated Exercised Potential Modification -156,533,779.77 0.00 0.00 Total 27,438,570,199.09 36,600,000,000.00 36,600,000,000.00

Award 12 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (435) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified October 31, 2018 October 31, 2018 October 31, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 29,204,012,073.26 36,600,000,000.00 36,600,000,000.00

Award 13 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (437) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $18,671,797
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Defense: Air Force Department as written: "DEPT OF DEFENSE" Agency as written: "DEPT OF THE AIR FORCE" Office: F59900 SAF FMBIB
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified October 31, 2018 October 31, 2018 October 31, 2018
Values (USD)	Obligated Exercised Potential Modification 18,671,797.00 0.00 0.00 Total 29,204,012,073.26 36,600,000,000.00 36,600,000,000.00

Award 14 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (438) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified October 31, 2018 October 31, 2018 October 31, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 29,204,012,073.26 36,600,000,000.00 36,600,000,000.00

Award 15 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (436) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $1,200,843,344.73
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified October 30, 2018 October 30, 2018 October 30, 2018
Values (USD)	Obligated Exercised Potential Modification 1,200,843,344.73 0.00 0.00 Total 29,185,340,276.26 36,600,000,000.00 36,600,000,000.00

Award 16 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (433) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of -$292,302,660.46
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified September 28, 2018 September 28, 2018 September 28, 2018
Values (USD)	Obligated Exercised Potential Modification -292,302,660.46 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 17 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (434) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $53,757,385.87
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified September 28, 2018 September 28, 2018 September 28, 2018
Values (USD)	Obligated Exercised Potential Modification 53,757,385.87 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 18 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (96) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	PURPOSE OF THIS MODIFICATION IS TO CHANGE THE CONTRACTING OFFICER.
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified September 13, 2018 September 13, 2018 September 13, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 372,559,910.79 391,046,859.00 391,046,859.00

Award 19 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (432) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA MO CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified September 10, 2018 September 10, 2018 September 10, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 28,223,042,206.12 36,600,000,000.00 36,600,000,000.00

Award 20 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (429) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of -$271,177,986.01
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified August 31, 2018 August 31, 2018 August 31, 2018
Values (USD)	Obligated Exercised Potential Modification -271,177,986.01 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 21 of 239

Identifier	Procurement Instrument Modification DEAC5206NA25396 431 Link
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Defense: DTRA Department as written: "DEPT OF DEFENSE" Agency as written: "DEFENSE THREAT REDUCTION AGENCY (DTRA)" Office: DEFENSE THREAT REDUCTION AGENCY
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Place of Performance	LOS ALAMOS, NEW MEXICO 875450001 UNITED STATES
Action Type	Definitive Contract
Dates	Signed Effective Last Modified August 31, 2018 August 31, 2018 August 30, 2019
Values (USD)	Obligated Exercised Potential Modification 22,029,821.96 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 22 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (430) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified August 31, 2018 August 31, 2018 August 31, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 23 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (428) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified August 29, 2018 August 21, 2018 August 29, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 24 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (426) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $37,764,457.58
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified July 31, 2018 July 31, 2018 July 31, 2018
Values (USD)	Obligated Exercised Potential Modification 37,764,457.58 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 25 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (427) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $21,521,184.7
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Defense: Air Force Department as written: "DEPT OF DEFENSE" Agency as written: "DEPT OF THE AIR FORCE" Office: F59900 SAF FMBIB
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified July 31, 2018 July 31, 2018 July 31, 2018
Values (USD)	Obligated Exercised Potential Modification 21,521,184.70 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 26 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (423) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified July 2, 2018 June 29, 2018 July 2, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 27 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (424) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $44,508,169.04
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified June 29, 2018 June 29, 2018 June 29, 2018
Values (USD)	Obligated Exercised Potential Modification 44,508,169.04 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 28 of 239

Identifier	Procurement Instrument Modification DEAC5206NA25396 425 Link
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Defense: DTRA Department as written: "DEPT OF DEFENSE" Agency as written: "DEFENSE THREAT REDUCTION AGENCY (DTRA)" Office: DEFENSE THREAT REDUCTION AGENCY
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Place of Performance	LOS ALAMOS, NEW MEXICO 875450001 UNITED STATES
Action Type	Definitive Contract
Dates	Signed Effective Last Modified June 29, 2018 June 29, 2018 August 30, 2019
Values (USD)	Obligated Exercised Potential Modification 16,073,744.27 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 29 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (94) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified June 27, 2018 June 27, 2018 June 27, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 -817,358.00 -817,358.00 Total 372,559,910.79 391,046,859.00 391,046,859.00

Award 30 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (95) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified June 27, 2018 June 27, 2018 June 27, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 372,559,910.79 391,046,859.00 391,046,859.00

Award 31 of 239

Title	New PURCHASE ORDER 47QMCC18PA1033 awarded to LOS ALAMOS NATIONAL SECURITY, LLC for the amount of $3,585.27
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Requesting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Description	VEHICLE REPAIR IGF::OT::IGF
Action Type	Purchase Order
Dates	Signed Effective Last Modified June 25, 2018 June 25, 2018 September 5, 2018
Values (USD)	Obligated Exercised Potential Modification 3,585.27 3,585.27 3,585.27 Total 3,585.27 3,585.27 3,585.27

Award 32 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (93) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified June 20, 2018 June 20, 2018 June 20, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 372,559,910.79 391,046,859.00 391,046,859.00

Award 33 of 239

Title	New PURCHASE ORDER 47QMCC18PA1017 awarded to LOS ALAMOS NATIONAL SECURITY, LLC for the amount of $3,141.36
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Requesting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Description	VEHICLE REPAIR IGF::OT::IGF
Action Type	Purchase Order
Dates	Signed Effective Last Modified June 15, 2018 June 15, 2018 August 23, 2018
Values (USD)	Obligated Exercised Potential Modification 3,141.36 3,141.36 3,141.36 Total 3,141.36 3,141.36 3,141.36

Award 34 of 239

Title	DEFINITIVE CONTRACT DEAC3243AL00036 (651) awarded to REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY, was modified for the amount of -$551,993.43
Vendor	Los Alamos National Laboratory Vendor as written: "REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY", DUNS: 868480484
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY (M&O CONTRACT-W-7405-ENG-36)
Action Type	Definitive Contract
Dates	Signed Effective Last Modified May 31, 2018 May 31, 2018 June 1, 2018
Values (USD)	Obligated Exercised Potential Modification -551,993.43 -551,993.43 -551,993.43 Total 35,137,244,855.18 35,137,244,855.18 35,137,244,855.18

Award 35 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (422) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $11,228,495.9
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Defense: Office of Secretary Department as written: "DEPT OF DEFENSE" Agency as written: "DEPT OF DEFENSE" Office: OUSD(AT&L)
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified May 29, 2018 May 29, 2018 May 29, 2018
Values (USD)	Obligated Exercised Potential Modification 11,228,495.90 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 36 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (421) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $40,993,602.03
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified May 29, 2018 May 29, 2018 May 29, 2018
Values (USD)	Obligated Exercised Potential Modification 40,993,602.03 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 37 of 239

Title	New PURCHASE ORDER 47QMCC18PA903 awarded to LOS ALAMOS NATIONAL SECURITY, LLC for the amount of $3,564.8
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Requesting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Description	VEHICLE REPAIR IGF::OT::IGF
Action Type	Purchase Order
Dates	Signed Effective Last Modified May 7, 2018 May 7, 2018 June 29, 2018
Values (USD)	Obligated Exercised Potential Modification 3,564.80 3,564.80 3,564.80 Total 3,564.80 3,564.80 3,564.80

Award 38 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (92) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $1,500,000
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified May 1, 2018 May 1, 2018 May 1, 2018
Values (USD)	Obligated Exercised Potential Modification 1,500,000.00 2,000,000.00 2,000,000.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 39 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (420) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified April 27, 2018 April 27, 2018 November 1, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 40 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (419) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $16,044,456.04
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Defense: Air Force Department as written: "DEPT OF DEFENSE" Agency as written: "DEPT OF THE AIR FORCE" Office: JOINT STRIKE FIGHTER
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified April 26, 2018 April 26, 2018 April 26, 2018
Values (USD)	Obligated Exercised Potential Modification 16,044,456.04 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 41 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (418) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $1,153,318,579.86
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified April 25, 2018 April 25, 2018 April 25, 2018
Values (USD)	Obligated Exercised Potential Modification 1,153,318,579.86 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 42 of 239

Title	DEFINITIVE CONTRACT DEAC3243AL00036 (650) awarded to REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY, was modified for the amount of $72,514,126
Vendor	Los Alamos National Laboratory Vendor as written: "REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY", DUNS: 868480484
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY-PENSION (M&O CONTRACT-W-7405-ENG-36)
Action Type	Definitive Contract
Dates	Signed Effective Last Modified April 24, 2018 April 24, 2018 April 25, 2018
Values (USD)	Obligated Exercised Potential Modification 72,514,126.00 72,514,126.00 72,514,126.00 Total 35,137,244,855.18 35,137,244,855.18 35,137,244,855.18

Award 43 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (91) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $1,600,000
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified April 23, 2018 April 23, 2018 April 23, 2018
Values (USD)	Obligated Exercised Potential Modification 1,600,000.00 0.00 0.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 44 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (417) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $36,252,922.72
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: NASA Department as written: "NATIONAL AERONAUTICS AND SPACE ADMINISTRATION" Agency as written: "NATIONAL AERONAUTICS AND SPACE ADMINISTRATION" Office: NASA HEADQUARTERS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified March 28, 2018 March 27, 2018 March 28, 2018
Values (USD)	Obligated Exercised Potential Modification 36,252,922.72 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 45 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (416) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $10,362,071.68
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified March 27, 2018 March 27, 2018 March 27, 2018
Values (USD)	Obligated Exercised Potential Modification 10,362,071.68 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 46 of 239

Title	New PURCHASE ORDER 47QMCC18PA828 awarded to LOS ALAMOS NATIONAL SECURITY, LLC for the amount of $3,445.82
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Requesting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Description	VEHICLE REPAIR IGF::OT::IGF
Action Type	Purchase Order
Dates	Signed Effective Last Modified March 22, 2018 March 22, 2018 June 1, 2018
Values (USD)	Obligated Exercised Potential Modification 3,445.82 3,445.82 3,445.82 Total 3,445.82 3,445.82 3,445.82

Award 47 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (90) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $2,500,000
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified March 20, 2018 March 20, 2018 March 20, 2018
Values (USD)	Obligated Exercised Potential Modification 2,500,000.00 0.00 0.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 48 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (415) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified March 20, 2018 March 20, 2018 April 24, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 49 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (89) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of -$2,500,000
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified March 19, 2018 March 19, 2018 March 19, 2018
Values (USD)	Obligated Exercised Potential Modification -2,500,000.00 0.00 0.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 50 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (88) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $9,062,303
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified March 15, 2018 March 15, 2018 March 15, 2018
Values (USD)	Obligated Exercised Potential Modification 9,062,303.00 9,062,303.00 9,062,303.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 51 of 239

Title	New PURCHASE ORDER 47QMCC18PA620 awarded to LOS ALAMOS NATIONAL SECURITY, LLC for the amount of $3,049.84
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Requesting Office	Agency: GSA: FAS Department as written: "GENERAL SERVICES ADMINISTRATION" Agency as written: "FEDERAL ACQUISITION SERVICE" Office: GSA/FAS/TTL/QMD/MCC
Description	VEHICLE REPAIR IGF::OT::IGF
Action Type	Purchase Order
Dates	Signed Effective Last Modified March 5, 2018 March 5, 2018 March 28, 2018
Values (USD)	Obligated Exercised Potential Modification 3,049.84 3,049.84 3,049.84 Total 3,049.84 3,049.84 3,049.84

Award 52 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (87) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified February 28, 2018 February 28, 2018 February 28, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 53 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (414) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $8,952,570.48
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Defense: Navy Department as written: "DEPT OF DEFENSE" Agency as written: "DEPT OF THE NAVY" Office: STRATEGIC SYSTEMS PROGRAMS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified February 28, 2018 February 28, 2018 February 28, 2018
Values (USD)	Obligated Exercised Potential Modification 8,952,570.48 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 54 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (413) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $314,612,734.9
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified February 26, 2018 February 26, 2018 May 15, 2018
Values (USD)	Obligated Exercised Potential Modification 314,612,734.90 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 55 of 239

Title	DEFINITIVE CONTRACT DEAC3243AL00036 (649) awarded to REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY, was modified for the amount of $24,000
Vendor	Los Alamos National Laboratory Vendor as written: "REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY", DUNS: 868480484
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY-PENSION (M&O CONTRACT-W-7405-ENG-36)
Action Type	Definitive Contract
Dates	Signed Effective Last Modified February 13, 2018 February 13, 2018 February 14, 2018
Values (USD)	Obligated Exercised Potential Modification 24,000.00 24,000.00 24,000.00 Total 35,137,244,855.18 35,137,244,855.18 35,137,244,855.18

Award 56 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (408) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified February 9, 2018 February 9, 2018 February 9, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 57 of 239

Title	DEFINITIVE CONTRACT DEAC3243AL00036 (648) awarded to REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY, was modified for the amount of $26,307,608
Vendor	Los Alamos National Laboratory Vendor as written: "REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ALAMOS NATIONAL LABORATORY", DUNS: 868480484
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY-PENSION (M&O CONTRACT-W-7405-ENG-36)
Action Type	Definitive Contract
Dates	Signed Effective Last Modified February 8, 2018 February 8, 2018 February 8, 2018
Values (USD)	Obligated Exercised Potential Modification 26,307,608.00 26,307,608.00 26,307,608.00 Total 35,137,244,855.18 35,137,244,855.18 35,137,244,855.18

Award 58 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (86) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $10,000,000
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified February 1, 2018 February 1, 2018 February 1, 2018
Values (USD)	Obligated Exercised Potential Modification 10,000,000.00 0.00 0.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 59 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (411) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $148,758,029.03
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified January 29, 2018 January 29, 2018 January 29, 2018
Values (USD)	Obligated Exercised Potential Modification 148,758,029.03 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 60 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (412) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $9,716,283.3
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: NASA Department as written: "NATIONAL AERONAUTICS AND SPACE ADMINISTRATION" Agency as written: "NATIONAL AERONAUTICS AND SPACE ADMINISTRATION" Office: NASA HEADQUARTERS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified January 29, 2018 January 29, 2018 January 30, 2018
Values (USD)	Obligated Exercised Potential Modification 9,716,283.30 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 61 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (410) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified January 26, 2018 January 26, 2018 January 26, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 62 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (409) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified January 22, 2018 January 22, 2018 January 23, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 63 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (85) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $10,000,000
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified January 18, 2018 January 18, 2018 January 18, 2018
Values (USD)	Obligated Exercised Potential Modification 10,000,000.00 0.00 0.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 64 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (84) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified January 17, 2018 January 17, 2018 January 17, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 1,452.00 1,452.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 65 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (407) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified January 16, 2018 January 16, 2018 January 23, 2018
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 66 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (405) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $75,908,875.89
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified December 27, 2017 December 27, 2017 December 27, 2017
Values (USD)	Obligated Exercised Potential Modification 75,908,875.89 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 67 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (406) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $16,170,721.5
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Defense: DTRA Department as written: "DEPT OF DEFENSE" Agency as written: "DEFENSE THREAT REDUCTION AGENCY (DTRA)" Office: DEFENSE THREAT REDUCTION AGENCY
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified December 27, 2017 December 27, 2017 December 27, 2017
Values (USD)	Obligated Exercised Potential Modification 16,170,721.50 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 68 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (83) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Description	IGF::OT::IGF LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified December 14, 2017 December 14, 2017 December 14, 2017
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 69 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (82) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $12,000,000
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: ENVIRONMENTAL MANAGEMENT
Description	IGF::OT::IGF LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified December 14, 2017 December 14, 2017 March 13, 2018
Values (USD)	Obligated Exercised Potential Modification 12,000,000.00 0.00 0.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 70 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (81) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Description	IGF::OT::IGF LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified December 12, 2017 December 12, 2017 December 12, 2017
Values (USD)	Obligated Exercised Potential Modification 0.00 -7,299,186.00 -7,299,186.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 71 of 239

Title	DEFINITIVE CONTRACT DEEM0003528 (80) awarded to LOS ALAMOS NATIONAL SECURITY, LLC, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY, LLC", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: EM-LOS ALAMOS
Description	IGF::OT::IGF LOS ALAMOS LEGACY CLEANUP BRIDGE CONTRACT
Action Type	Definitive Contract
Major Program Code	em los alamos legacy cleanup bridge contract (emla-lcbc)
Dates	Signed Effective Last Modified December 1, 2017 December 1, 2017 December 1, 2017
Values (USD)	Obligated Exercised Potential Modification 0.00 125,014.00 125,014.00 Total 372,559,910.79 391,864,217.00 391,864,217.00

Award 72 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (396) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $0
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified November 29, 2017 November 29, 2017 November 29, 2017
Values (USD)	Obligated Exercised Potential Modification 0.00 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 73 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (404) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $8,426,127.59
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: NASA Department as written: "NATIONAL AERONAUTICS AND SPACE ADMINISTRATION" Agency as written: "NATIONAL AERONAUTICS AND SPACE ADMINISTRATION" Office: NASA HEADQUARTERS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified November 29, 2017 November 29, 2017 November 29, 2017
Values (USD)	Obligated Exercised Potential Modification 8,426,127.59 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00

Award 74 of 239

Title	DEFINITIVE CONTRACT DEAC5206NA25396 (403) awarded to LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY, was modified for the amount of $831,379.21
Vendor	Los Alamos National Laboratory Vendor as written: "LOS ALAMOS NATIONAL SECURITY LIMITED LIABILITY COMPANY", DUNS: 175252894
Contracting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA M&O CONTRACTING
Requesting Office	Agency: Energy Department as written: "ENERGY, DEPARTMENT OF" Agency as written: "ENERGY, DEPARTMENT OF" Office: NNSA WEAPONS ACTIVITIES FUNDS
Description	MANAGEMENT AND OPERATION OF LOS ALAMOS NATIONAL LABORATORY BY LOS ALAMOS NATIONAL SECURITY, LLC. CONTRACT NO. DE-AC52-06NA25396
Action Type	Definitive Contract
Dates	Signed Effective Last Modified November 29, 2017 November 29, 2017 November 29, 2017
Values (USD)	Obligated Exercised Potential Modification 831,379.21 0.00 0.00 Total 27,429,858,273.09 36,600,000,000.00 36,600,000,000.00