Risk Sleuth
OLN · 10-K filed 20 Feb 2026 · year to 31 Dec 2025

Olin

31 named things its latest annual report says its results depend on, each in the company's own words. 19 of them are also named by other companies we've read.

Read the filing on SEC.gov ↗

Customers

U.S. Government

earns from · approximately 13% of sales in 2025named as a risk
Sales to all U.S. government agencies and sales under U.S. government contracting activities in total accounted for approximately 13% of sales in 2025.Business (Item 1)

Also named by ADI, AIR, APH, ASTS, ATI, AVAV, AWK, BA and 46 more

U.S. Army

earns fromnamed as a risk
The contract has an initial term of seven years and has been extended by the U.S. Army for three additional years.Business (Item 1)

Also named by ALSN, AVAV, GD, PLTR

Braskem

earns from
On November 11, 2025, Olin announced a commercial arrangement with Braskem, one of the largest petrochemical companies in the Americas and the leading producer of PVC in South America, for Olin to supply EDC to Braskem, aligning with Braskem's transformation of its chlor alkali and vinyl assets in Brazil.Business (Item 1)

Partners and platforms

Plug Power, Inc.

50%
Olin Corporation and Plug Power, Inc. launched a joint venture named Hidrogenii, LLC in 2024.Business (Item 1)

Mitsui & Co., Ltd.

On September 18, 2025, we announced a mutual decision with Mitsui to end our joint venture, BWA, by the end of 2025.Business (Item 1)

Also named by CF, WLFC

Competitors

OxyChem

competes with
Other large chlor alkali producers in North America include OxyChem, a former subsidiary of The Occidental Petroleum Corporation, which sold OxyChem to Berkshire Hathaway in January 2026, Westlake Chemical Corporation (Westlake), Formosa USA, and Shintech Incorporated (Shintech), a subsidiary of Shin-Etsu Chemical Co., Ltd.Business (Item 1)

Westlake Chemical Corporation

competes with
Among our competitors are Huntsman Corporation, Westlake, Kukdo Chemical Co. Ltd. and Kumho P&B Chemicals, as well as multiple other producers located in Asia.Business (Item 1)

The Kinetic Group

competes with
Our Winchester business and The Kinetic Group (purchased from Vista Outdoor Inc. in November 2024 by Czechoslovak Group) are among the largest commercial ammunition manufacturers in the U.S.Business (Item 1)

Places

Europe

earns from · 59% of our Epoxy 2025 segment salesnamed as a risk
Approximately 32% of Olin’s 2025 sales were generated outside of the U.S., including 31% of our Chlor Alkali Products and Vinyls 2025 segment sales, 59% of our Epoxy 2025 segment sales and 13% of our Winchester 2025 segment sales.Business (Item 1)

Also named by ADSK, AME, AMRC, ATR, BCSF, BKNG, BMI, BMY and 60 more

China

competes withnamed as a risk
Periods of supply and demand imbalances, particularly changes in trade flows within Asia Pacific markets, particularly China, can result in increased pricing pressure on our epoxy products.Risk factors (Item 1A)

Also named by A, AA, AAOI, AAP, AAPL, AB, ADI, AEHR and 261 more

U.S. Gulf Coast

concentrated innamed as a risk
Major hurricanes, or other weather-related events, have caused significant disruption in our operations on the U.S. Gulf Coast, logistics across the region and the supply of certain raw materials, which have had an adverse effect on volume and cost for some of our products.Risk factors (Item 1A)

Also named by CP, DOW, ECL, PAA, PWR, VLO

Guarujá, Brazil

operates in
In December 2025, the Company made the decision to close our liquid epoxy resin manufacturing facility in Guarujá, Brazil.Business (Item 1)

Hazards

Hurricanes

operates innamed as a risk
We have a substantial presence near the U.S. Gulf Coast and a significant portion of our manufacturing facilities, similar to our competitors and customers, are structured near major bodies of water.Risk factors (Item 1A)

Also named by AIG, AN, ASO, BAC, BBY, BJ, BPOP, BRO and 89 more

Commodities and inputs

Euro

exposed to its price · $13.4 millionnamed as a risk
Our significant foreign currency exposure is denominated with European currencies, primarily the Euro, although exposures also exist in other currencies of Asia Pacific, Latin America, Middle East and Africa.Market risk (Item 7A)

Also named by ABBV, ABNB, ABT, ADBE, ADI, AME, AMG, AMGN and 186 more

SOFR

exposed to its price · $10.6 millionnamed as a risk
Assuming no changes in the $1,060.8 million of variable-rate debt levels from December 31, 2025, we estimate that a hypothetical change of 100-basis points in the secured overnight financing rate (SOFR) from 2025 would impact annual interest expense by $10.6 million.Market risk (Item 7A)

Also named by AAP, AIOT, APG, APH, ARES, AXON, BGC, BR and 82 more

Electricity

exposed to its price · Approximately 76% of our electricity is generated from natural gas or hydroelectric sourcesnamed as a risk
Electricity is the single largest raw material component in the production of Chlor Alkali Products and Vinyls products.Business (Item 1)

Also named by AA, AESI, APD, APLD, ATI, ATO, BA, BMNR and 22 more

Salt

depends on · Approximately 73% of our salt requirements are met by internal supply
Approximately 73% of our salt requirements are met by internal supply.Business (Item 1)

Natural gas

exposed to its pricenamed as a risk
Energy costs and feedstock generally follow price trends in crude oil and natural gas, which are sometimes volatile.Risk factors (Item 1A)

Also named by AA, ADM, AEE, AEP, AES, AESI, AGX, ALB and 132 more

Copper

exposed to its pricenamed as a risk
Similarly, costs of commodity metals and other materials used in our Winchester business, such as copper, propellant, brass and lead, can vary.Risk factors (Item 1A)

Also named by AAON, AGX, AMKR, APG, APH, APLD, BMI, BWA and 58 more

Ethylene

depends onnamed as a risk
Ethylene is primarily supplied for the vinyls business under a long-term supply arrangement whereby we receive ethylene at integrated producer economics.Business (Item 1)

Also named by BRK/B, EMN, SHW, SOLS

Propylene

exposed to its pricenamed as a risk
Energy costs and purchased feedstock, including propylene, cumene and ethylene, account for a substantial portion of our total production costs and operating expenses.Risk factors (Item 1A)

Also named by EMN, MAS, SHW

Lead

exposed to its pricenamed as a risk
Winchester purchases raw materials such as copper-based strip and ammunition cartridge case cups and lead from vendors, pursuant to multi-year contracts, based on a conversion charge or premium.Business (Item 1)

Also named by ENS, HL

Cumene

exposed to its pricenamed as a risk
Selling prices of epoxy materials are affected by changes in raw material costs, including energy, propylene and cumene, customer demand, and global fluctuations in supply and demand.Risk factors (Item 1A)

Propellant

depends onnamed as a risk
Winchester’s other main raw material is propellant, which is purchased predominantly from one of the U.S.’s largest propellant suppliers.Business (Item 1)

Regulators

U.S. Environmental Protection Agency (EPA)

subject tonamed as a risk
The EPA has also finalized regulation associated with several of Olin’s chlorinated organic products under the new TSCA law and these rules also present risk to these businesses.Risk factors (Item 1A)

Also named by AAON, AAP, ALSN, AMRC, APA, APD, APG, AROC and 78 more

Laws and programs

Toxic Substances Control Act (TSCA)

subject tonamed as a risk
We also anticipate future regulatory action related to EDC and VCM under the amended TSCA law that could significantly affect the sales, costs and profitability of those product lines.Risk factors (Item 1A)

Also named by A, ALB, CLH, ECL, EMN, ESI, IFF, PRM and 1 more

REACH

subject tonamed as a risk
Under REACH, additional testing requirements, documentation, risk assessments and registrations are occurring and will continue to occur and may adversely affect our costs of products produced in or imported into the European Union.Risk factors (Item 1A)

Also named by CTVA, PRM, RPM, SGI

U.S. government procurement regulations

subject tonamed as a risk
Because we engage in some government contracting activities and make sales to the U.S. government, we are subject to extensive and complex U.S. government procurement laws and regulations.Business (Item 1)

Also named by AMZN

Lake City Army Ammunition Plant

operates innamed as a risk
Our Winchester business currently operates and manages the Lake City Army Ammunition Plant in Independence, MO under a multi-year contract with the U.S. Army.Risk factors (Item 1A)

EPA asbestos ban under TSCA

subject tonamed as a risk
Diaphragm technology-based chlorine production makes up a significant part of Olin’s capacity, and this government regulation could significantly increase the cost of production or cause us to close production capacity that would have negative consequences on our business.Risk factors (Item 1A)

European Union bisphenol (BPA) regulation

subject tonamed as a risk
The European Union is currently considering regulations related to the use of bisphenol, or BPA, in chemical manufacturing, which is a critical component of the epoxy resins we manufacture and sell in the region.Risk factors (Item 1A)