Mueller Industries (MLI): what its 10-K says it depends on

Other companies

British pound sterling

exposed to its pricenamed as a risk

Accordingly, significant changes in exchange rates, particularly the British pound sterling, Mexican peso, Canadian dollar, and the South Korean won, could have an adverse impact on our results of operations or financial position.Risk factors (Item 1A)

Also named by AMG, BGC, BKNG, CBRE, CTRE, FCFS, FDS, FIS and 31 more

U.S. housing and commercial construction

earns fromnamed as a risk

New housing starts and commercial construction are important determinants of our sales to the heating, ventilation, and air-conditioning (HVAC), refrigeration, and plumbing markets because the principal end use of a significant portion of our products is in the construction of single and multi-family housing and commercial buildings.Business (Item 1)

Competitors

Cerro Flow Products LLC

competes with

In the U.S. copper tube business, domestic competition includes Cerro Flow Products LLC, and Cambridge-Lee Industries LLC (a subsidiary of Industrias Unidas S.A. de C.V.), as well as many actual and potential foreign competitors.Business (Item 1)

Cambridge-Lee Industries LLC

competes with

In the U.S. copper tube business, domestic competition includes Cerro Flow Products LLC, and Cambridge-Lee Industries LLC (a subsidiary of Industrias Unidas S.A. de C.V.), as well as many actual and potential foreign competitors.Business (Item 1)

NIBCO, Inc.

competes with

In the copper fittings market, our domestic competitors include NIBCO, Inc.Business (Item 1)

Wieland Chase, LLC

competes with

Competitors, primarily in the brass rod market, include Wieland Chase, LLC, a subsidiary of Wieland-Werke AG, and several foreign manufacturers.Business (Item 1)

Prysmian S.p.A.

competes with

Our wire and cable business competitors include Prysmian S.p.A. and Southwire Company, LLC.Business (Item 1)

Southwire Company, LLC

competes with

Our wire and cable business competitors include Prysmian S.p.A. and Southwire Company, LLC.Business (Item 1)

Places

Bahrain

operates in · 55 percent

Mueller Middle East, our Bahraini joint venture, manufactures copper tube and serves markets in the Middle East and Northern Africa.Business (Item 1)

Port Huron, Michigan

operates in · May 3, 2026

Port Huron, Michigan (Local 218 IAM) May 3, 2026Business (Item 1)

China

competes withnamed as a risk

In some cases, customers have moved production to low-cost countries such as China, or sourced components from there, which has reduced demand in North America for some of the products we manufacture.Risk factors (Item 1A)

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

Canada

operates in

Great Lakes manufactures copper tube and line sets in Canada and sells the products primarily in the U.S. and Canada.Business (Item 1)

Also named by AAP, AJG, ALL, AMRC, AOS, ARE, BBY, BF/B and 97 more

United Kingdom

operates in

European Operations manufactures copper tube in the United Kingdom, which is sold throughout Europe.Business (Item 1)

Also named by AGX, AJG, AMP, BAC, BF/B, BGC, BRO, C and 59 more

South Korea

operates in

Jungwoo-Mueller, our South Korean joint venture, manufactures copper-based joining products that are sold worldwide.Business (Item 1)

Also named by AAPL, ALAB, AMAT, BE, BWA, CPNG, CROX, ENTG and 11 more

Hazards

Hurricanes

operates innamed as a risk

Although the financial impact of such future events is not reasonably estimable at this time, should they occur, our operations in certain coastal and flood-prone areas or operations of our customers and suppliers could be adversely affected.Risk factors (Item 1A)

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

Commodities and inputs

Copper

exposed to its pricenamed as a risk

A substantial portion of our base metal requirements (primarily copper) is normally obtained through short-term supply contracts with competitive pricing provisions (for cathode) and the open market (for scrap).Business (Item 1)

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

Copper

exposed to its pricenamed as a risk

While we will continue to react to market developments, resulting pricing volatility or supply disruptions, if any, could nonetheless adversely affect the Company.Business (Item 1)

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

Aluminum

exposed to its pricenamed as a risk

Both the costs of raw materials used in our manufactured products (copper, brass, zinc, and aluminum) and energy costs (electricity, natural gas and fuel) have been volatile during the last several years, which has resulted in changes in production and distribution costs.Risk factors (Item 1A)

Also named by AAON, ACHR, ALSN, AYI, BA, BALL, BF/B, BWA and 59 more

Natural gas

exposed to its pricenamed as a risk

Both the costs of raw materials used in our manufactured products (copper, brass, zinc, and aluminum) and energy costs (electricity, natural gas and fuel) have been volatile during the last several years, which has resulted in changes in production and distribution costs.Risk factors (Item 1A)

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

Electricity

exposed to its pricenamed as a risk

Fuel and utility costs also have been, and will continue to be, affected by factors outside our control, such as supply and demand for fuel and utility services in both local and regional markets, including increased demand resulting from data center development.Risk factors (Item 1A)

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

Zinc

exposed to its pricenamed as a risk

Both the costs of raw materials used in our manufactured products (copper, brass, zinc, and aluminum) and energy costs (electricity, natural gas and fuel) have been volatile during the last several years, which has resulted in changes in production and distribution costs.Risk factors (Item 1A)

Also named by CDE, FBIN, HL, HLMN, JBI, LFUS, LNN, MAS and 6 more

Brass

exposed to its pricenamed as a risk

Both the costs of raw materials used in our manufactured products (copper, brass, zinc, and aluminum) and energy costs (electricity, natural gas and fuel) have been volatile during the last several years, which has resulted in changes in production and distribution costs.Risk factors (Item 1A)

Also named by BMI, EMR, FBIN, LECO, MAS, WTS

Laws and programs

Environmental remediation liabilities

subject to · $18.9 millionnamed as a risk

The reserve for environmental matters was $18.9 million at December 27, 2025 and $18.4 million at December 28, 2024.Business (Item 1)

Also named by HON, SUN, SUNC

U.S. tariffs

subject tonamed as a risk

For example, during 2025, the U.S. presidential administration threatened or imposed tariffs on imports from various countries, including China, Mexico, and Canada.Risk factors (Item 1A)

Also named by A, AAPL, ACHR, ADI, AEHR, AEP, AIOT, AKAM and 170 more

International Emergency Economic Powers Act (IEEPA)

subject tonamed as a risk

Further, on February 20, 2026, the United States Supreme Court issued a ruling striking down certain tariffs previously imposed under the International Emergency Economic Powers Act (IEEPA).Risk factors (Item 1A)

Also named by AEHR, AVY, BBW, DE, DHR, DLTR, HD, NVT

GHG emissions regulation

subject tonamed as a risk

Recent and pending climate change regulation and initiatives on the state, regional, federal, and international levels may require certain of our facilities to reduce GHG emissions.Risk factors (Item 1A)