Olin Corporation 401(k) Plan: Login, Facts & Contact Information

Olin Corporation 401(k) Plan Facts

Plan name
OLIN CORPORATION RETIREMENT SAVINGS PLAN
Plan type
401(k) with employer contributions and profit sharing with a company-stock (ESOP) component
Plan sponsor
OLIN CORPORATION
Participants
8,479 (6,731 active employees)
Former employees with a balance
1,828
Plan assets
$1,360,888,480 at Dec 31, 2024
Average account balance
$151,732 across 8,969 accounts
Employer contributions
$52,174,144 in plan year 2024 (46% of all contributions)
Recordkeeper
Voya Institutional Plan Services
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jul 1, 1964
✓ Employer contributions✓ Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments✓ Self-directed brokerage window✓ Profit sharing✓ Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Jun 9, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $113.9 million went into the plan in contributions, $52.2 million of it from the employer (46%).
  • $152.0 million was paid out to participants.
  • Investment and other income added $130.7 million.
  • Administrative expenses were $976,719, about $109 per account.

How the Olin Corporation 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20197,785$931.1 million$44.3 million$67.3 million
20207,215$1.04 billion$33.4 million$113.3 million
20218,924$1.28 billion$48.7 million$102.0 million
20228,703$1.09 billion$49.7 million$97.9 million
20238,992$1.27 billion$49.8 million$119.3 million
20248,479$1.36 billion$52.2 million$152.0 million

Olin Corporation 401(k) Contact Information

Phone
314-480-1400
Mailing address
190 CARONDELET PLAZA SUITE 1530, CLAYTON MO 631053443
Plan sponsor
OLIN CORPORATION
Plan administrator
PENSION AND CEOP ADMINISTRATIVE COMMITTEE OF
Employer identification number (EIN)
13-1872319
Plan number
032

Questions about the Olin Corporation 401(k)

Does Olin Corporation contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $52.2 million, 46% of all contributions.

Does the Olin Corporation 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Olin Corporation 401(k) plan?

8,479 participants at the start of plan year 2024, 6,731 of them active employees, and 1,828 former employees who still had money in the plan.

What is the average 401(k) balance at Olin Corporation?

About $151,732 per account: $1.36 billion in plan assets across 8,969 accounts with a balance at the end of plan year 2024.

Who manages the Olin Corporation 401(k) accounts?

Voya Financial (listed on the filing as VOYA INSTITUTIONAL PLAN SERVICES) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Olin Corporation. How do I access my 401(k)?

Your account stays with Voya Financial after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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