401k Plan data: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN plan

CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 401k Plan overview

Plan Name	CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN
Plan identification number	501

CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN Benefits

401k Plan Type	Welfare Benefit
Plan Features/Benefits	Other welfare benefit cover

401k Sponsoring company profile

COMMITTEE OF THE CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIM has sponsored the creation of one or more 401k plans.

Company Name: COMMITTEE OF THE CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIM

Employer identification number (EIN): 461202594

NAIC Classification: 326200

Form 5500 Filing Information

Submission information for form 5500 for 401k plan CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
501 2023-01-01 RICHARD J. BREAN 2024-10-14
501 2022-01-01 RICHARD J. BREAN 2023-10-11
501 2021-01-01 RICHARD J. BREAN 2022-10-12
501 2020-01-01 RICHARD J. BREAN 2021-10-12
501 2019-01-01 RICHARD J. BREAN 2020-10-13
501 2017-01-01
501 2016-01-01
501 2015-01-01 RICHARD J. BREAN
501 2014-01-01 RICHARD J. BREAN
501 2013-01-01
501 2012-10-23 RICHARD J. BREAN

Plan id#	Filing Submission Date	Name of Administrator	Date Administrator Signed
501	2023-01-01	RICHARD J. BREAN	2024-10-14
501	2022-01-01	RICHARD J. BREAN	2023-10-11
501	2021-01-01	RICHARD J. BREAN	2022-10-12
501	2020-01-01	RICHARD J. BREAN	2021-10-12
501	2019-01-01	RICHARD J. BREAN	2020-10-13
501	2017-01-01
501	2016-01-01
501	2015-01-01	RICHARD J. BREAN
501	2014-01-01	RICHARD J. BREAN
501	2013-01-01
501	2012-10-23	RICHARD J. BREAN

Plan Statistics for CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN

401k plan membership statisitcs for CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN

Measure Date Value
2023: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2023 401k membership
Total participants, beginning-of-year 2023-01-01 1,373
Total number of active participants reported on line 7a of the Form 5500 2023-01-01 769
Number of retired or separated participants receiving benefits 2023-01-01 97
Number of other retired or separated participants entitled to future benefits 2023-01-01 500
Total of all active and inactive participants 2023-01-01 1,366
2022: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 1,294
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 787
Number of retired or separated participants receiving benefits 2022-01-01 0
Number of other retired or separated participants entitled to future benefits 2022-01-01 586
Total of all active and inactive participants 2022-01-01 1,373
2021: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 1,070
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 1,183
Number of retired or separated participants receiving benefits 2021-01-01 0
Number of other retired or separated participants entitled to future benefits 2021-01-01 111
Total of all active and inactive participants 2021-01-01 1,294
2020: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 976
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 970
Number of retired or separated participants receiving benefits 2020-01-01 0
Number of other retired or separated participants entitled to future benefits 2020-01-01 100
Total of all active and inactive participants 2020-01-01 1,070
2019: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 869
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 890
Number of retired or separated participants receiving benefits 2019-01-01 0
Number of other retired or separated participants entitled to future benefits 2019-01-01 86
Total of all active and inactive participants 2019-01-01 976
2017: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 700
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 633
Number of retired or separated participants receiving benefits 2017-01-01 0
Number of other retired or separated participants entitled to future benefits 2017-01-01 65
Total of all active and inactive participants 2017-01-01 698
2016: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 703
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 651
Number of retired or separated participants receiving benefits 2016-01-01 0
Number of other retired or separated participants entitled to future benefits 2016-01-01 49
Total of all active and inactive participants 2016-01-01 700
2015: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 678
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 655
Number of retired or separated participants receiving benefits 2015-01-01 0
Number of other retired or separated participants entitled to future benefits 2015-01-01 48
Total of all active and inactive participants 2015-01-01 703
2014: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 618
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 662
Number of retired or separated participants receiving benefits 2014-01-01 0
Number of other retired or separated participants entitled to future benefits 2014-01-01 16
Total of all active and inactive participants 2014-01-01 678
2013: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 589
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 613
Number of retired or separated participants receiving benefits 2013-01-01 0
Number of other retired or separated participants entitled to future benefits 2013-01-01 5
Total of all active and inactive participants 2013-01-01 618
2012: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2012 401k membership
Total participants, beginning-of-year 2012-10-23 0
Total number of active participants reported on line 7a of the Form 5500 2012-10-23 490
Number of retired or separated participants receiving benefits 2012-10-23 0
Number of other retired or separated participants entitled to future benefits 2012-10-23 99
Total of all active and inactive participants 2012-10-23 589

Measure	Date	Value
2023: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2023 401k membership
Total participants, beginning-of-year	2023-01-01	1,373
Total number of active participants reported on line 7a of the Form 5500	2023-01-01	769
Number of retired or separated participants receiving benefits	2023-01-01	97
Number of other retired or separated participants entitled to future benefits	2023-01-01	500
Total of all active and inactive participants	2023-01-01	1,366
2022: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	1,294
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	787
Number of retired or separated participants receiving benefits	2022-01-01	0
Number of other retired or separated participants entitled to future benefits	2022-01-01	586
Total of all active and inactive participants	2022-01-01	1,373
2021: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	1,070
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	1,183
Number of retired or separated participants receiving benefits	2021-01-01	0
Number of other retired or separated participants entitled to future benefits	2021-01-01	111
Total of all active and inactive participants	2021-01-01	1,294
2020: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	976
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	970
Number of retired or separated participants receiving benefits	2020-01-01	0
Number of other retired or separated participants entitled to future benefits	2020-01-01	100
Total of all active and inactive participants	2020-01-01	1,070
2019: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	869
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	890
Number of retired or separated participants receiving benefits	2019-01-01	0
Number of other retired or separated participants entitled to future benefits	2019-01-01	86
Total of all active and inactive participants	2019-01-01	976
2017: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	700
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	633
Number of retired or separated participants receiving benefits	2017-01-01	0
Number of other retired or separated participants entitled to future benefits	2017-01-01	65
Total of all active and inactive participants	2017-01-01	698
2016: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	703
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	651
Number of retired or separated participants receiving benefits	2016-01-01	0
Number of other retired or separated participants entitled to future benefits	2016-01-01	49
Total of all active and inactive participants	2016-01-01	700
2015: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	678
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	655
Number of retired or separated participants receiving benefits	2015-01-01	0
Number of other retired or separated participants entitled to future benefits	2015-01-01	48
Total of all active and inactive participants	2015-01-01	703
2014: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	618
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	662
Number of retired or separated participants receiving benefits	2014-01-01	0
Number of other retired or separated participants entitled to future benefits	2014-01-01	16
Total of all active and inactive participants	2014-01-01	678
2013: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	589
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	613
Number of retired or separated participants receiving benefits	2013-01-01	0
Number of other retired or separated participants entitled to future benefits	2013-01-01	5
Total of all active and inactive participants	2013-01-01	618
2012: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2012 401k membership
Total participants, beginning-of-year	2012-10-23	0
Total number of active participants reported on line 7a of the Form 5500	2012-10-23	490
Number of retired or separated participants receiving benefits	2012-10-23	0
Number of other retired or separated participants entitled to future benefits	2012-10-23	99
Total of all active and inactive participants	2012-10-23	589

Financial Data on CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN

Measure	Date	Value
2023 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2023 401k financial data
Total unrealized appreciation/depreciation of assets	2023-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-12-31	$11,715
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-12-31	$33,075
Total income from all sources (including contributions)	2023-12-31	$1,892,559
Total loss/gain on sale of assets	2023-12-31	$0
Total of all expenses incurred	2023-12-31	$477,267
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2023-12-31	$336,705
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2023-12-31	$224,547
Value of total assets at end of year	2023-12-31	$14,836,711
Value of total assets at beginning of year	2023-12-31	$13,442,779
Total of administrative expenses incurred including professional, contract, advisory and management fees	2023-12-31	$140,562
Total interest from all sources	2023-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2023-12-31	$570,609
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2023-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2023-12-31	$570,609
Was this plan covered by a fidelity bond	2023-12-31	Yes
Value of fidelity bond cover	2023-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2023-12-31	No
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2023-12-31	$0
Administrative expenses (other) incurred	2023-12-31	$11,730
Liabilities. Value of operating payables at end of year	2023-12-31	$11,715
Liabilities. Value of operating payables at beginning of year	2023-12-31	$33,075
Total non interest bearing cash at end of year	2023-12-31	$5,155
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-12-31	No
Value of net income/loss	2023-12-31	$1,415,292
Value of net assets at end of year (total assets less liabilities)	2023-12-31	$14,824,996
Value of net assets at beginning of year (total assets less liabilities)	2023-12-31	$13,409,704
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2023-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2023-12-31	No
Were any leases to which the plan was party in default or uncollectible	2023-12-31	No
Investment advisory and management fees	2023-12-31	$15,000
Value of interest in registered invesment companies (eg mutual funds) at end of year	2023-12-31	$14,831,556
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2023-12-31	$13,434,983
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2023-12-31	$1,097,403
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2023-12-31	No
Was there a failure to transmit to the plan any participant contributions	2023-12-31	No
Has the plan failed to provide any benefit when due under the plan	2023-12-31	No
Contributions received in cash from employer	2023-12-31	$224,547
Employer contributions (assets) at beginning of year	2023-12-31	$7,796
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2023-12-31	$336,705
Contract administrator fees	2023-12-31	$62,178
Did the plan have assets held for investment	2023-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2023-12-31	No
Opinion of an independent qualified public accountant for this plan	2023-12-31	Unqualified
Accountancy firm name	2023-12-31	WITHUMSMITH+BROWN, PC
Accountancy firm EIN	2023-12-31	222027092
Total unrealized appreciation/depreciation of assets	2023-01-01	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-01-01	$11,715
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-01-01	$33,075
Total income from all sources (including contributions)	2023-01-01	$1,892,559
Total loss/gain on sale of assets	2023-01-01	$0
Total of all expenses incurred	2023-01-01	$477,267
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2023-01-01	$336,705
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2023-01-01	$224,547
Value of total assets at end of year	2023-01-01	$14,836,711
Value of total assets at beginning of year	2023-01-01	$13,442,779
Total of administrative expenses incurred including professional, contract, advisory and management fees	2023-01-01	$140,562
Total interest from all sources	2023-01-01	$0
Total dividends received (eg from common stock, registered investment company shares)	2023-01-01	$570,609
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2023-01-01	No
Total dividends received from registered investment company shares (eg mutual funds)	2023-01-01	$570,609
Was this plan covered by a fidelity bond	2023-01-01	Yes
Value of fidelity bond cover	2023-01-01	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2023-01-01	No
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2023-01-01	$0
Administrative expenses (other) incurred	2023-01-01	$11,730
Liabilities. Value of operating payables at end of year	2023-01-01	$11,715
Liabilities. Value of operating payables at beginning of year	2023-01-01	$33,075
Total non interest bearing cash at end of year	2023-01-01	$5,155
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-01-01	No
Value of net income/loss	2023-01-01	$1,415,292
Value of net assets at end of year (total assets less liabilities)	2023-01-01	$14,824,996
Value of net assets at beginning of year (total assets less liabilities)	2023-01-01	$13,409,704
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2023-01-01	No
Were any loans by the plan or fixed income obligations due to the plan in default	2023-01-01	No
Were any leases to which the plan was party in default or uncollectible	2023-01-01	No
Investment advisory and management fees	2023-01-01	$15,000
Value of interest in registered invesment companies (eg mutual funds) at end of year	2023-01-01	$14,831,556
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2023-01-01	$13,434,983
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2023-01-01	$1,097,403
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2023-01-01	No
Was there a failure to transmit to the plan any participant contributions	2023-01-01	No
Has the plan failed to provide any benefit when due under the plan	2023-01-01	No
Contributions received in cash from employer	2023-01-01	$224,547
Employer contributions (assets) at beginning of year	2023-01-01	$7,796
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2023-01-01	$336,705
Contract administrator fees	2023-01-01	$62,178
Did the plan have assets held for investment	2023-01-01	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-01-01	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2023-01-01	No
Opinion of an independent qualified public accountant for this plan	2023-01-01	1
Accountancy firm name	2023-01-01	WITHUMSMITH+BROWN, PC
Accountancy firm EIN	2023-01-01	222027092
2022 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2022 401k financial data
Total unrealized appreciation/depreciation of assets	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$33,075
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$115,739
Total income from all sources (including contributions)	2022-12-31	$-1,164,900
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$381,151
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$133,053
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$555,011
Value of total assets at end of year	2022-12-31	$13,442,779
Value of total assets at beginning of year	2022-12-31	$15,071,494
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$248,098
Total interest from all sources	2022-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$501,011
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$501,011
Administrative expenses professional fees incurred	2022-12-31	$115,974
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$92,547
Administrative expenses (other) incurred	2022-12-31	$4,155
Liabilities. Value of operating payables at end of year	2022-12-31	$33,075
Liabilities. Value of operating payables at beginning of year	2022-12-31	$23,192
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Value of net income/loss	2022-12-31	$-1,546,051
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$13,409,704
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$14,955,755
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Investment advisory and management fees	2022-12-31	$25,000
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$13,434,983
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$15,016,273
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-2,220,922
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	No
Contributions received in cash from employer	2022-12-31	$555,011
Employer contributions (assets) at end of year	2022-12-31	$7,796
Employer contributions (assets) at beginning of year	2022-12-31	$55,221
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$133,053
Contract administrator fees	2022-12-31	$102,969
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	WITHUMSMITH+BROWN, PC
Accountancy firm EIN	2022-12-31	222027092
Total unrealized appreciation/depreciation of assets	2022-01-01	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-01-01	$33,075
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-01-01	$115,739
Total income from all sources (including contributions)	2022-01-01	$-1,164,900
Total loss/gain on sale of assets	2022-01-01	$0
Total of all expenses incurred	2022-01-01	$381,151
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-01-01	$133,053
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-01-01	$555,011
Value of total assets at end of year	2022-01-01	$13,442,779
Value of total assets at beginning of year	2022-01-01	$15,071,494
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-01-01	$248,098
Total interest from all sources	2022-01-01	$0
Total dividends received (eg from common stock, registered investment company shares)	2022-01-01	$501,011
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-01-01	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-01-01	$501,011
Administrative expenses professional fees incurred	2022-01-01	$115,974
Was this plan covered by a fidelity bond	2022-01-01	Yes
Value of fidelity bond cover	2022-01-01	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2022-01-01	No
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-01-01	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-01-01	$92,547
Administrative expenses (other) incurred	2022-01-01	$4,155
Liabilities. Value of operating payables at end of year	2022-01-01	$33,075
Liabilities. Value of operating payables at beginning of year	2022-01-01	$23,192
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-01-01	No
Value of net income/loss	2022-01-01	$-1,546,051
Value of net assets at end of year (total assets less liabilities)	2022-01-01	$13,409,704
Value of net assets at beginning of year (total assets less liabilities)	2022-01-01	$14,955,755
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-01-01	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-01-01	No
Were any leases to which the plan was party in default or uncollectible	2022-01-01	No
Investment advisory and management fees	2022-01-01	$25,000
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-01-01	$13,434,983
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-01-01	$15,016,273
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-01-01	$-2,220,922
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-01-01	No
Was there a failure to transmit to the plan any participant contributions	2022-01-01	No
Has the plan failed to provide any benefit when due under the plan	2022-01-01	No
Contributions received in cash from employer	2022-01-01	$555,011
Employer contributions (assets) at end of year	2022-01-01	$7,796
Employer contributions (assets) at beginning of year	2022-01-01	$55,221
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-01-01	$133,053
Contract administrator fees	2022-01-01	$102,969
Did the plan have assets held for investment	2022-01-01	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-01-01	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-01-01	No
Opinion of an independent qualified public accountant for this plan	2022-01-01	1
Accountancy firm name	2022-01-01	WITHUMSMITH+BROWN, PC
Accountancy firm EIN	2022-01-01	222027092
2021 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2021 401k financial data
Total unrealized appreciation/depreciation of assets	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$115,739
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$1,902,321
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$343,775
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$161,192
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$814,729
Value of total assets at end of year	2021-12-31	$15,071,494
Value of total assets at beginning of year	2021-12-31	$13,397,209
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$182,583
Total interest from all sources	2021-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$535,227
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$535,227
Administrative expenses professional fees incurred	2021-12-31	$71,238
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$92,547
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$0
Administrative expenses (other) incurred	2021-12-31	$1,395
Liabilities. Value of operating payables at end of year	2021-12-31	$23,192
Liabilities. Value of operating payables at beginning of year	2021-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Value of net income/loss	2021-12-31	$1,558,546
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$14,955,755
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$13,397,209
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Investment advisory and management fees	2021-12-31	$10,000
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$15,016,273
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$13,368,137
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$552,365
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	No
Contributions received in cash from employer	2021-12-31	$814,729
Employer contributions (assets) at end of year	2021-12-31	$55,221
Employer contributions (assets) at beginning of year	2021-12-31	$29,072
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$161,192
Contract administrator fees	2021-12-31	$99,950
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	WITHUMSMITH+BROWN, PC
Accountancy firm EIN	2021-12-31	222027092
2020 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2020 401k financial data
Total unrealized appreciation/depreciation of assets	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$2,040,881
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$284,249
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$148,150
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$732,013
Value of total assets at end of year	2020-12-31	$13,397,209
Value of total assets at beginning of year	2020-12-31	$11,640,577
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$136,099
Total interest from all sources	2020-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$369,375
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$369,375
Administrative expenses professional fees incurred	2020-12-31	$41,211
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Administrative expenses (other) incurred	2020-12-31	$4,000
Liabilities. Value of operating payables at end of year	2020-12-31	$0
Liabilities. Value of operating payables at beginning of year	2020-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Value of net income/loss	2020-12-31	$1,756,632
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$13,397,209
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$11,640,577
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Investment advisory and management fees	2020-12-31	$10,000
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$13,368,137
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$11,611,789
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$939,493
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	No
Contributions received in cash from employer	2020-12-31	$732,013
Employer contributions (assets) at end of year	2020-12-31	$29,072
Employer contributions (assets) at beginning of year	2020-12-31	$28,788
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$148,150
Contract administrator fees	2020-12-31	$80,888
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Opinion of an independent qualified public accountant for this plan	2020-12-31	Unqualified
Accountancy firm name	2020-12-31	WITHUMSMITH&BROWN, PC
Accountancy firm EIN	2020-12-31	222027092
2019 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2019 401k financial data
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$1,885,444
Total income from all sources (including contributions)	2019-12-31	$1,885,444
Total loss/gain on sale of assets	2019-12-31	$0
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$284,109
Total of all expenses incurred	2019-12-31	$284,109
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$150,363
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$150,363
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$770,166
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$770,166
Value of total assets at end of year	2019-12-31	$11,640,577
Value of total assets at end of year	2019-12-31	$11,640,577
Value of total assets at beginning of year	2019-12-31	$10,039,242
Value of total assets at beginning of year	2019-12-31	$10,039,242
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$133,746
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$133,746
Total interest from all sources	2019-12-31	$0
Total interest from all sources	2019-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$373,760
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$373,760
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$373,760
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$373,760
Administrative expenses professional fees incurred	2019-12-31	$40,476
Administrative expenses professional fees incurred	2019-12-31	$40,476
Was this plan covered by a fidelity bond	2019-12-31	Yes
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$1,000,000
Value of fidelity bond cover	2019-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Administrative expenses (other) incurred	2019-12-31	$3,269
Administrative expenses (other) incurred	2019-12-31	$3,269
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Value of net income/loss	2019-12-31	$1,601,335
Value of net income/loss	2019-12-31	$1,601,335
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$11,640,577
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$11,640,577
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$10,039,242
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$10,039,242
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$11,611,789
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$11,611,789
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$9,920,831
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$9,920,831
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$741,518
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$741,518
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Contributions received in cash from employer	2019-12-31	$770,166
Contributions received in cash from employer	2019-12-31	$770,166
Employer contributions (assets) at end of year	2019-12-31	$28,788
Employer contributions (assets) at end of year	2019-12-31	$28,788
Employer contributions (assets) at beginning of year	2019-12-31	$118,411
Employer contributions (assets) at beginning of year	2019-12-31	$118,411
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$150,363
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$150,363
Contract administrator fees	2019-12-31	$90,001
Contract administrator fees	2019-12-31	$90,001
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	No
Opinion of an independent qualified public accountant for this plan	2019-12-31	Unqualified
Opinion of an independent qualified public accountant for this plan	2019-12-31	Unqualified
Accountancy firm name	2019-12-31	WITHUMSMITH&BROWN, PC
Accountancy firm name	2019-12-31	WITHUMSMITH&BROWN, PC
Accountancy firm EIN	2019-12-31	222027092
Accountancy firm EIN	2019-12-31	222027092
2018 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2018 401k financial data
Total unrealized appreciation/depreciation of assets	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$606,026
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$193,426
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$95,549
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$746,755
Value of total assets at end of year	2018-12-31	$10,039,242
Value of total assets at beginning of year	2018-12-31	$9,626,642
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$97,877
Total interest from all sources	2018-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$314,449
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2018-12-31	$314,449
Administrative expenses professional fees incurred	2018-12-31	$30,367
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Administrative expenses (other) incurred	2018-12-31	$18,544
Liabilities. Value of operating payables at end of year	2018-12-31	$0
Liabilities. Value of operating payables at beginning of year	2018-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Value of net income/loss	2018-12-31	$412,600
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$10,039,242
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$9,626,642
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$9,920,831
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$9,600,575
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-455,178
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	No
Contributions received in cash from employer	2018-12-31	$746,755
Employer contributions (assets) at end of year	2018-12-31	$118,411
Employer contributions (assets) at beginning of year	2018-12-31	$26,067
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$95,549
Contract administrator fees	2018-12-31	$48,966
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	No
Opinion of an independent qualified public accountant for this plan	2018-12-31	Unqualified
Accountancy firm name	2018-12-31	WITHUMSMITH&BROWN
Accountancy firm EIN	2018-12-31	222027092
2017 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2017 401k financial data
Total unrealized appreciation/depreciation of assets	2017-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$1,257,827
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$161,484
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$65,768
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$740,915
Value of total assets at end of year	2017-12-31	$9,626,642
Value of total assets at beginning of year	2017-12-31	$8,530,299
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$95,716
Total interest from all sources	2017-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$185,830
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$185,830
Administrative expenses professional fees incurred	2017-12-31	$29,110
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Administrative expenses (other) incurred	2017-12-31	$15,795
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Value of net income/loss	2017-12-31	$1,096,343
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$9,626,642
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$8,530,299
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$9,600,575
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$8,499,410
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$331,082
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	No
Contributions received in cash from employer	2017-12-31	$740,915
Employer contributions (assets) at end of year	2017-12-31	$26,067
Employer contributions (assets) at beginning of year	2017-12-31	$30,889
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$65,768
Contract administrator fees	2017-12-31	$50,811
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	No
Opinion of an independent qualified public accountant for this plan	2017-12-31	Unqualified
Accountancy firm name	2017-12-31	WITHUMSMITH&BROWN
Accountancy firm EIN	2017-12-31	222027092
2016 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2016 401k financial data
Total unrealized appreciation/depreciation of assets	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$11,459
Total income from all sources (including contributions)	2016-12-31	$975,178
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$122,819
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$39,890
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$795,374
Value of total assets at end of year	2016-12-31	$8,530,299
Value of total assets at beginning of year	2016-12-31	$7,689,399
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$82,929
Total interest from all sources	2016-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$92,799
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2016-12-31	$92,799
Administrative expenses professional fees incurred	2016-12-31	$26,847
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Administrative expenses (other) incurred	2016-12-31	$9,339
Liabilities. Value of operating payables at end of year	2016-12-31	$0
Liabilities. Value of operating payables at beginning of year	2016-12-31	$11,459
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Value of net income/loss	2016-12-31	$852,359
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$8,530,299
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$7,677,940
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Investment advisory and management fees	2016-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$8,499,410
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$7,563,494
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$87,005
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
Contributions received in cash from employer	2016-12-31	$795,374
Employer contributions (assets) at end of year	2016-12-31	$30,889
Employer contributions (assets) at beginning of year	2016-12-31	$125,905
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$39,890
Contract administrator fees	2016-12-31	$46,743
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	No
Opinion of an independent qualified public accountant for this plan	2016-12-31	Unqualified
Accountancy firm name	2016-12-31	BOND BEEBE, P.C.
Accountancy firm EIN	2016-12-31	521044197
2015 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2015 401k financial data
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$11,459
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$1,221,117
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$99,901
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$30,841
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$1,233,977
Value of total assets at end of year	2015-12-31	$7,689,399
Value of total assets at beginning of year	2015-12-31	$6,556,724
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$69,060
Total interest from all sources	2015-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$113,864
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$113,864
Administrative expenses professional fees incurred	2015-12-31	$14,218
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$1,000,000
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Administrative expenses (other) incurred	2015-12-31	$9,071
Liabilities. Value of operating payables at end of year	2015-12-31	$11,459
Liabilities. Value of operating payables at beginning of year	2015-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Value of net income/loss	2015-12-31	$1,121,216
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$7,677,940
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$6,556,724
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Investment advisory and management fees	2015-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$7,563,494
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$6,462,964
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-126,724
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Contributions received in cash from employer	2015-12-31	$1,233,977
Employer contributions (assets) at end of year	2015-12-31	$125,905
Employer contributions (assets) at beginning of year	2015-12-31	$93,760
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$30,841
Contract administrator fees	2015-12-31	$45,771
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	No
Opinion of an independent qualified public accountant for this plan	2015-12-31	Unqualified
Accountancy firm name	2015-12-31	BOND BEEBE, P.C..
Accountancy firm EIN	2015-12-31	541044197
2014 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2014 401k financial data
Total unrealized appreciation/depreciation of assets	2014-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total income from all sources (including contributions)	2014-12-31	$1,662,740
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$100,234
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$11,973
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$1,498,779
Value of total assets at end of year	2014-12-31	$6,556,724
Value of total assets at beginning of year	2014-12-31	$4,994,218
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$88,261
Total interest from all sources	2014-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$89,606
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2014-12-31	$89,606
Administrative expenses professional fees incurred	2014-12-31	$35,206
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$500,000
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Other income not declared elsewhere	2014-12-31	$76,176
Administrative expenses (other) incurred	2014-12-31	$12,072
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Value of net income/loss	2014-12-31	$1,562,506
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$6,556,724
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$4,994,218
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Investment advisory and management fees	2014-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$6,462,964
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$4,901,960
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$-1,821
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2014-12-31	No
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Contributions received in cash from employer	2014-12-31	$1,498,779
Employer contributions (assets) at end of year	2014-12-31	$93,760
Employer contributions (assets) at beginning of year	2014-12-31	$92,258
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$11,973
Contract administrator fees	2014-12-31	$40,983
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	No
Opinion of an independent qualified public accountant for this plan	2014-12-31	Unqualified
Accountancy firm name	2014-12-31	BOND BEEBE, P.C.
Accountancy firm EIN	2014-12-31	541044197
2013 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2013 401k financial data
Total unrealized appreciation/depreciation of assets	2013-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total income from all sources (including contributions)	2013-12-31	$1,754,219
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$62,750
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$4,246
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$1,593,622
Value of total assets at end of year	2013-12-31	$4,994,218
Value of total assets at beginning of year	2013-12-31	$3,302,749
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$58,504
Total interest from all sources	2013-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$41,499
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2013-12-31	$41,499
Administrative expenses professional fees incurred	2013-12-31	$608
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$500,000
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Administrative expenses (other) incurred	2013-12-31	$17,981
Total non interest bearing cash at beginning of year	2013-12-31	$80,618
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Value of net income/loss	2013-12-31	$1,691,469
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$4,994,218
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$3,302,749
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Investment advisory and management fees	2013-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$4,901,960
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$3,104,143
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$119,098
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Contributions received in cash from employer	2013-12-31	$1,593,622
Employer contributions (assets) at end of year	2013-12-31	$92,258
Employer contributions (assets) at beginning of year	2013-12-31	$117,988
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$4,246
Contract administrator fees	2013-12-31	$39,915
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	No
Opinion of an independent qualified public accountant for this plan	2013-12-31	Unqualified
Accountancy firm name	2013-12-31	BOND BEEBE, P.C.
Accountancy firm EIN	2013-12-31	541044197
2012 : CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2012 401k financial data
Total unrealized appreciation/depreciation of assets	2012-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total income from all sources (including contributions)	2012-12-31	$3,192,205
Total loss/gain on sale of assets	2012-12-31	$0
Total of all expenses incurred	2012-12-31	$7,444
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$3,178,711
Value of total assets at end of year	2012-12-31	$3,184,761
Value of total assets at beginning of year	2012-12-31	$0
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$7,444
Total interest from all sources	2012-12-31	$0
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$8,061
Total dividends received from registered investment company shares (eg mutual funds)	2012-12-31	$8,061
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$500,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Administrative expenses (other) incurred	2012-12-31	$7,444
Total non interest bearing cash at end of year	2012-12-31	$80,618
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$3,184,761
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$3,184,761
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$0
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$3,104,143
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$5,433
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Contributions received in cash from employer	2012-12-31	$3,178,711
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No

Form 5500 Responses for CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN

2023: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2023 form 5500 responses
2023-01-01	Type of plan entity	Single employer plan
2023-01-01	Submission has been amended	No
2023-01-01	This submission is the final filing	No
2023-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2023-01-01	Plan is a collectively bargained plan	No
2023-01-01	Plan funding arrangement – Trust	Yes
2023-01-01	Plan benefit arrangement - Trust	Yes
2022: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	No
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	No
2021-01-01	This submission is the final filing	No
2021-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	No
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	No
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2017: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2017-01-01	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	No
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIMBURSEMENT PLAN 2012 form 5500 responses
2012-10-23	Type of plan entity	Single employer plan
2012-10-23	First time form 5500 has been submitted	Yes
2012-10-23	Submission has been amended	No
2012-10-23	This submission is the final filing	No
2012-10-23	This return/report is a short plan year return/report (less than 12 months)	Yes
2012-10-23	Plan is a collectively bargained plan	No
2012-10-23	Plan funding arrangement – Trust	Yes
2012-10-23	Plan benefit arrangement - Trust	Yes

Potentially related plans

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Company Name:	COMMITTEE OF THE CENTURY ALUMINUM HAWESVILLE RETIREE HEALTH CARE REIM
Employer identification number (EIN):	461202594
NAIC Classification:	326200