Kennecott Utah Copper 401(k) and pension plans

Kennecott Utah Copper LLC, South Jordan, UT. EIN 13-3108078. Annual reports 2009–2024. Also filed as Kennecott Utah Copper Corporation.

Kennecott Utah Copper LLC has one active retirement plan on file, the Kennecott Utah Copper 401(k) Savings and Retirement Contribution Plan for Represented Employees, with 1,818 participants and $130 million in assets in 2024. Empower has been its recordkeeper since 2017.

Active plans
1
Participants
1,818
Plan assets
$130 million
401(k) recordkeeper
Empower
Plans on file
2
Industry
Mining, oil and gas

All 2 plans

Active plans first

Kennecott Utah Copper 401(k) Savings and Retirement Contribution Plan for Represented Employees

401(k)Active

Active. The plan filed its annual report for the 2024 plan year.

Plan number
204Employer EIN 13-3108078
Participants (2024)
1,818
Net assets (2024)
$130 million
Recordkeeper
Empower2017–2024
Plan administrator
Rio Tinto America Inc. Benefits Governance Committee
4700 Daybreak Parkway
South Jordan, UT 84009
(801) 204-2000As filed for 2024
In effect since
July 1, 1991

Earlier plan names: Kennecott Corporation Savings Plan for Hourly Employees; Kennecott Utah Copper Savings Plan for Represented Hourly Employees; Kennecott Utah Copper Savings Plan for Represented Employees.

Year by year, 2009 to 2024
Plan yearParticipantsNet assetsRecordkeeper
20241,818$130 millionEmpower
20231,661$115 millionEmpower
20221,594$95.7 millionEmpower
20211,505$112 millionEmpower
20201,520$98.2 millionEmpower
20191,523$84.6 millionEmpower
20181,423$70.0 millionEmpower
20171,297$73.8 millionEmpower
20161,601$63.5 millionnot listed
20151,657$58.4 millionnot listed
20141,735$62.0 millionnot listed
20131,804$60.4 millionnot listed
20121,700$59.0 millionnot listed
20101,702$55.6 millionnot listed
20091,628$50.2 millionnot listed

Kennecott Utah Copper Pension Plan for Represented Hourly Employees

Pension (defined benefit)Merged

Merged. In 2020 its assets moved to the Rio Tinto America Inc. Retirement Plan, sponsored by Rio Tinto America Inc. (EIN 11-3359689, plan 001). Accounts moved with them, so that plan is the one to contact.

Plan number
202Employer EIN 13-3108078
Participants (2019)
1,809
Net assets (2019)
$127 million
Plan administrator
Rio Tinto America Inc. Benefits Governance Committee
4700 Daybreak Parkway
South Jordan, UT 84009
(801) 204-2000As filed for 2020
In effect since
June 30, 1989

Earlier plan names: Kennecott Corporation Pension Plan for Hourly Employees.

Year by year, 2009 to 2020
Plan yearParticipantsNet assetsRecordkeeper
20200$0not listed
20191,809$127 millionnot listed
20183,920$321 millionnot listed
20173,969$344 millionnot listed
20163,758$315 millionnot listed
20153,754$288 millionnot listed
20143,756$283 millionnot listed
20133,798$279 millionnot listed
20123,802$268 millionnot listed
20113,715$248 millionnot listed
20103,515$263 millionnot listed
20093,435$218 millionnot listed

If you had money in one of these plans

  1. Call Empower (empower.com), which runs the Kennecott Utah Copper 401(k) Savings and Retirement Contribution Plan for Represented Employees. With your Social Security number and the plan name, it can tell you whether you still have a balance and, if not, where it went.
  2. Or call the plan administrator listed on the plan below ((801) 204-2000). That number was filed for 2024; ask for the benefits or retirement plan office.
  3. If your plan was merged, your account moved with it. Follow the link on the plan to the plan it went into, and contact that one.
  4. Still stuck? The Department of Labor's benefits advisers help for free: askebsa.dol.gov or 1-866-444-3272. Never pay anyone to find your own money.

What these numbers are

Sources: U.S. Department of Labor, Form 5500 datasets and PBGC trusteed plans. How we read them.

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