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WEYERHAEUSER CO

For the period ended Dec 31, 2025. Filed Feb 13, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 13, 2026

WY$21.13+0.7%Stored close · as of Nov 9, 2026

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Contents

WHAT WE DO

This section provides information about how we:

grow and harvest trees,
maximize the value of every acre we own and
manufacture and sell wood products.

For each of our business segments, we provide details about what we do, where we do it, how much we sell and where we are headed.

TIMBERLANDS

Our Timberlands segment manages more than 10 million acres of private commercial timberlands in the U.S. We own 9.7 million of those acres and control the remaining acres through long-term contracts. In addition, we have renewable, long-term licenses on more than 14 million acres of

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 8

Canadian timberlands. This includes licenses for acreage in British Columbia, which will be transferred to the purchaser of our Princeton lumber mill upon regulatory approval.

Forestry Management

Our Timberlands segment:

grows and plants seedlings to reforest harvested areas using the most effective regeneration method for the site and species (natural regeneration is employed and managed in parts of Canada and the northern U.S.);
manages our timberlands as the trees grow to maturity;
harvests trees to be converted into forest products, such as lumber, oriented strand board, engineered wood products, pellets, pulp and paper;
manages the health of our forests to sustainably maximize harvest volumes, minimize risks, and protect unique environmental, cultural, historical and recreational value and
offers recreational access.

We seek to maximize the returns from our timberlands by selling delivered logs and through stumpage sales to both internal and external customers. We leverage our expertise in forestry using research and planning systems to optimize log production and innovative planting and harvesting techniques across varying terrain. We use intensive, customized silviculture to increase forest productivity and returns while managing our forests on a sustainable basis. We use our scale, infrastructure and supply chain expertise to deliver reliable and consistent supply to our customers.

Competitive factors within each of our market areas generally include price, species, grade, quality, proximity to wood-consuming facilities and the ability to consistently meet customer requirements. We compete in the marketplace through our ability to provide customers with a consistent and reliable supply of high-quality logs at scale volumes and competitive prices. Our customers also value our status as an SFI certified supplier.

Sustainable Forestry Practices

We manage our forests intensively to maximize the value of every acre and produce a sustainable supply of wood fiber for our customers. At the same time, we are careful to protect biological diversity, water quality and other ecosystem values. Our working forests also provide unique environmental, cultural, historical and recreational value. We work hard to protect these and other qualities, while still managing our forests to produce financially mature timber. We follow regulatory requirements, voluntary standards and certify 100 percent of our North American timberlands under the SFI Forest Management Standard.

Canadian Forestry Operations

In Canada, we manage timberlands under long-term licenses that serve as the primary source of raw material for our manufacturing facilities in various provinces. When we harvest trees, we pay the provinces at stumpage rates set by the government. We transfer logs to our manufacturing facilities at cost and do not generate any significant profit from the harvest of timber on our licensed acres in Canada.

Timberlands Products

PRODUCTSHOW THEY’RE USED
Delivered logs:• Grade logs• Fiber logsGrade logs are made into lumber, plywood, veneer and other products used in residential homes, commercial structures, furniture, industrial and decorative applications. Fiber logs are sold to pulp, paper, oriented strand board and pellet mills to make products used for printing, writing, packaging, homebuilding, consumer products and renewable energy.
TimberStanding timber is sold to third parties through stumpage sales.
Recreational leasesTimberlands are leased or permitted for recreational purposes.
Other productsSeeds and seedlings grown in the U.S. and wood chips.

HOW WE MEASURE OUR PRODUCTS

We use multiple units of measure when transacting business including:

Thousand board feet (MBF) — used in the West to measure the expected lumber recovery from a tree or log and

Green tons (GT) — used in the South to measure weight; factors used for conversion to product volume can vary by species, size, location and season.

We report Timberlands volumes in ton equivalents.

As of December 31, 2025, we sustainably managed timberlands in 17 states. This included owned or contracted acres in the following locations:

2.5 million acres in the western U.S. (Oregon and Washington);

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 9

6.7 million acres in the southern U.S. (Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Texas and Virginia) and

1.2 million acres in the northern U.S. (Maine, New Hampshire, Vermont and West Virginia).

In Canada, we manage timberlands under long-term licenses that provide raw material for our manufacturing facilities. These licenses are in Alberta, British Columbia, Ontario and Saskatchewan.

Our total timber inventory — comprised of timber on owned and contracted land in the U.S. — is approximately 594 million tons. This timber inventory does not translate into a specific amount of lumber or panel products because the quantity of end products varies according to the age, species, size and quality of the timber and will change over time as these variables adjust.

We maintain our timber inventory in an integrated resource inventory system and geographic information system (GIS). The resource inventory component of the system is proprietary and is largely based on internally developed methods, including growth and yield models developed by our research and development organization. The GIS component is based on GIS software that is viewed as the standard in our industry.

Timber inventory data collection and verification techniques include the use of industry standard field sampling procedures as well as proprietary remote sensing technologies in some geographies. The data is collected and maintained at the timber stand level.

We also own and operate nurseries and seed orchards in Alabama, Arkansas, Georgia, Louisiana, Mississippi, Oregon, South Carolina and Washington.

Summary of 2025 Standing Timber Inventory

MILLIONS OF TONS AS OF
GEOGRAPHIC AREADECEMBER 31, 2025
TOTAL INVENTORY(1)
U.S.:
West
Douglas-fir/Cedar156
Whitewood21
Hardwood12
Total West189
South
Southern yellow pine286
Hardwood75
Total South361
North
Conifer16
Hardwood28
Total North44
Total Company594

(1)

Inventory includes all conservation and non-harvestable areas.

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 10

Summary of 2025 Timberland Locations

THOUSANDS OF ACRES AS OF
GEOGRAPHIC AREADECEMBER 31, 2025
FEE OWNERSHIPLONG-TERMCONTRACTSTOTALACRES(1)
U.S.:
West
Oregon1,379—1,379
Washington1,096—1,096
Total West2,475—2,475
South
Alabama472176648
Arkansas1,181161,197
Florida20744251
Georgia52722549
Louisiana1,0023501,352
Mississippi1,106351,141
North Carolina7314735
Oklahoma486—486
South Carolina198—198
Texas12214
Virginia149—149
Total South6,0716496,720
North
Maine833—833
New Hampshire24—24
Vermont86—86
West Virginia251—251
Total North1,194—1,194
Total Company9,74064910,389

(1)

Acres include all conservation and non-harvestable areas.

We provide a year-round flow of logs to internal and external customers. We sell grade and fiber logs to manufacturers that produce a diverse range of products. We also sell standing timber to third parties and lease land for recreational purposes. Most of our timberlands are strategically located to take advantage of road, logging and transportation systems for efficient delivery of logs to customers.

Western United States

Our Western timberlands are well situated to serve the wood products and pulp markets in Oregon and Washington. For the year ended December 31, 2025, we sold 38 percent of our total Western log sales volume internally. Additionally, our location on the West Coast provides access to higher-value export markets for Douglas-fir and whitewood logs to Japan, China and Korea. Our largest export market is Japan, where Douglas-fir is a preferred species for higher-value post and beam homebuilding. The size and quality of our Western timberlands, coupled with their proximity to several deep-water port facilities, competitively position us to meet the needs of Pacific Rim log markets.

Our holdings are composed primarily of Douglas-fir, a species highly valued for its structural strength, stiffness and appearance. All of our lands are located on the west side of the Cascade Mountain Range with soil and rainfall conditions considered favorable for growing this species. Our standing timber inventory is comprised of 83 percent Douglas-fir, 11 percent whitewood and 6 percent hardwood.

Our management systems and supply chain expertise provide us with a competitive operating advantage in a number of areas including forestry and research, harvesting, marketing and logistics. Additionally, our scale, diversity of timberlands ownership and infrastructure on the West Coast allow us to consistently and reliably supply logs to our internal and external customers year-round.

We sell recreational use permits covering approximately 2 million acres of our owned Western timberlands.

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2025 Western U.S. Inventory by Species

2025 Western U.S. Inventory by Age / Species

The average age of timber harvested from our Western timberlands in 2025 was 46 years. In accordance with our sustainable forestry practices, we harvest and replant an average of 2 percent of our Western acreage each year.

Southern United States

Our Southern timberland ownership, covering 11 states, is well situated to serve domestic wood products and pulp markets, including third-party customers and our own mills. For the year ended December 31, 2025, we sold 23 percent of our total Southern log sales volume internally. Additionally, our Atlantic and Gulf coastal locations position us to serve emerging log export markets. Our standing timber inventory is comprised of 79 percent Southern yellow pine and 21 percent hardwood.

Operationally, we focus on efficiently harvesting and hauling logs from our ownership and capitalizing on our scale and supply chain expertise to consistently and reliably supply logs to our internal and external customers year-round.

We lease approximately 98 percent of our owned Southern acreage for recreational purposes.

2025 Southern U.S. Inventory by Species

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 12

2025 Southern U.S. Inventory by Age / Species

The average age of timber harvested from our Southern timberlands in 2025 was 28 years, excluding mid-rotation thinning. In accordance with our sustainable forestry practices, we harvest and replant an average of 3 percent of our acreage each year in the South.

Northern United States

Our Northern timberlands acres contain a diverse mix of temperate broadleaf hardwoods and mixed conifer species across timberlands located in four states. We grow more than 40 species and market over 300 product grades to a diverse mix of customers.

Our large-diameter cherry, red oak and hard maple sawlogs and veneer logs serve domestic and export furniture markets. Our maple and other appearance woods are used in furniture and high-value decorative applications. In addition to high-value hardwood sawlogs, our log mix includes hardwood fiber logs for pulp and oriented strand board applications. Hardwood pulpwood is a significant market in the Northern region and we have long-term supply agreements, primarily at market rates, for over 90 percent of our hardwood pulp production. Our competitive advantages include a merchandising program to capture the value of premium hardwood logs.

2025 Northern U.S. Inventory by Species

2025 Northern U.S. Inventory by Age / Species

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 13

The average age of timber harvested from our Northern timberlands in 2025 was 59 years. Timber harvested in the North is sold predominantly as delivered logs to domestic mills, including our manufacturing facilities. For the year ended December 31, 2025, we sold 8 percent of our total Northern log sales volume internally. In accordance with our sustainable forestry practices, we harvest an average of 1 percent of our acreage each year in the North. Regeneration is predominantly natural, augmented by planting where appropriate.

Canada — Licensed Forestlands

We manage forestlands in Canada under long-term licenses from the provincial governments to secure volume for our manufacturing facilities in various provinces. The provincial governments regulate the volume of timber that may be harvested each year through Annual Allowable Cuts (AAC), which are updated every 10 years. As of December 31, 2025, our AAC by province was:

Alberta — 2,211 thousand tons,

British Columbia — 547 thousand tons,

Ontario — 154 thousand tons and

Saskatchewan — 633 thousand tons.

When the volume is harvested, we pay the province for that volume at stumpage rates set by the government. The harvested logs are transferred to our manufacturing facilities at cost (stumpage plus harvest, haul and overhead costs less any margin on selling logs to third parties). Any profit from harvesting the log through converting to finished products is recognized at the respective mill in our Wood Products segment.

Summary of License Arrangements

THOUSANDS OF
ACRES AS OF
GEOGRAPHIC AREADECEMBER 31, 2025
TOTAL ACRES
Province:
Alberta5,399
British Columbia(1)1,147
Ontario(2)2,574
Saskatchewan(2)4,987
Total Canada14,107

(1)

All licenses in British Columbia will be transferred to the purchaser of our Princeton lumber mill, pending regulatory approval. See additional discussion at Note 20: Princeton Lumber Mill Divestiture.

(2)

License is managed by partnership.

HOW MUCH WE HARVEST

Our fee harvest volumes are managed sustainably across all regions to ensure the preservation of long-term economic value of the timber and to capture maximum value from the markets in which we operate. This is accomplished by ensuring annual harvest schedules target financially mature timber and reforestation activities align with the growing of timber through its life cycle to financial maturity.

Five-Year Summary of Timberlands Fee Harvest Volumes

FEE HARVEST VOLUMES IN THOUSANDS OF TONS
20252024202320222021
West(1)9,0048,9028,7537,8588,084
South24,83224,51425,17724,32923,304
North9819409429741,085
Total34,81734,35634,87233,16132,473

(1)

Western logs are primarily transacted in thousand board feet (MBF) but are converted to ton equivalents for external reporting purposes.

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Five-Year Summary of Timberlands Fee Harvest Volumes — Percentage of Grade and Fiber

PERCENTAGE OF GRADE AND FIBER
2025 · 2024 · 2023 · 2022 · 2021
WestGrade90%92%91%89%92%
Fiber10%8%9%11%8%
SouthGrade48%46%47%45%49%
Fiber52%54%53%55%51%
NorthGrade39%35%35%37%51%
Fiber61%65%65%63%49%
TotalGrade59%58%58%55%62%
Fiber41%42%42%45%38%

Our net sales to unaffiliated customers over the last two years were $1.5 billion in 2025 and $1.5 billion in 2024. Our intersegment sales over the last two years were $592 million in 2025 and $554 million in 2024.

Five-Year Summary of Net Sales for Timberlands

NET SALES IN MILLIONS OF DOLLARS
20252024202320222021
Net sales to unaffiliated customers:
Delivered logs:
West$645$693$794$1,004$869
South613603643645589
North5046485652
Total1,3081,3421,4851,7051,510
Stumpage and pay-as-cut timber6051564631
Recreational lease revenue7977746865
Other products(1)4742393930
Subtotal net sales to unaffiliated customers1,4941,5121,6541,8581,636
Intersegment net sales592554572561535
Total$2,086$2,066$2,226$2,419$2,171

(1)

Other products include sales of seeds and seedlings from our nursery operations and wood chips.

Five-Year Trend for Total Net Sales in Timberlands

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 15

Percentage of 2025 Sales Dollars to Unaffiliated Customers

Log Sales Volumes

Our sales volumes include fee timber as well as logs purchased in the open market.

Our log sales volumes to unaffiliated customers over the last two years were:

22,833 thousand tons in 2025 and

22,855 thousand tons in 2024.

We sell three grades of logs — domestic grade, domestic fiber and export. Factors that may affect log sales in each of these categories include:

domestic grade log sales — lumber usage, primarily for housing starts and repair and remodel activity, the needs of our own mills and the availability of logs from both outside markets and our own timberlands;

domestic fiber log sales — demand for fiber by pulp mills, containerboard mills, pellet mills and oriented strand board mills and

export log sales — the level of housing starts in Japan and construction in other international export markets, as well as availability of logs from other countries.

Five-Year Summary of Log Sales Volumes to Unaffiliated Customers

SALES VOLUMES IN THOUSANDS
20252024202320222021
Logs – tons:
West(1)5,6635,9016,2596,2966,203
South16,48616,31717,17316,86416,594
North684637629707788
Total22,83322,85524,06123,86723,585

(1)

Western logs are primarily transacted in thousand board feet (MBF) but are converted to ton equivalents for external reporting purposes.

Log Prices

Domestic and export grade logs are sold at market prices to unaffiliated customers or our internal mills. The majority of our log sales to unaffiliated customers involve sales to domestic sawmills and the export market. Log prices in the following tables are on a delivered (mill) basis.

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Five-Year Summary of Published Domestic Log Prices (#2 Sawlog Bark On — $/MBF)

Five-Year Summary of Export Log Prices (#2 Sawlog Bark On — $/MBF)

Log prices are affected by the supply of and demand for grade and fiber logs. Export log prices are particularly affected by the Japanese housing market, construction activity in other international export markets and the availability of logs from other countries.

continuing to capitalize on our scale of operations, silviculture and supply chain expertise and sustainability practices;

improving cash flow through operational excellence initiatives including merchandising for value, harvest and transportation efficiencies as well as focused silviculture investments to improve forest productivity;

optimizing and growing our timber portfolio through disciplined investments;

leveraging the integrated nature of our portfolio to drive margin improvement opportunities;

leveraging our export and domestic market access, infrastructure, supply chain expertise and strong customer relationships;

leveraging our scale, proximity to mills and logistics to broaden end use markets;

increasing our recreational lease revenue and

continuing to maximize the value of our timberlands portfolio by managing the acres to achieve the highest and best use.

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 17

REAL ESTATE, ENERGYAND NATURAL RESOURCES

Our Real Estate & ENR segment maximizes the value of our timberland ownership through application of our asset value optimization (AVO) process and captures the full value of surface and subsurface assets. In 2021, we launched our Climate Solutions business through which we leverage our resources and expertise to help others meet their goals to reduce carbon emissions or mitigate environmental impacts. This involves an expansion of our established business activities in the areas of conservation, mitigation banking and leasing land for renewable energy projects. Additionally, it involves advancing our participation in other emerging markets focused on the mitigation of carbon emissions, including forest carbon, by which we generate carbon credits through incremental carbon sequestration over a baseline and sell them on voluntary carbon markets, and carbon capture and sequestration, which involves leasing of surface and subsurface ownership to safely and permanently sequester transported carbon emissions from their source. As the largest private owner of timberlands in North America, the scale and geographic diversity of our assets create a unique opportunity for participation in each of these activities, all of which offer natural solutions for reducing carbon emissions and support climate change mitigation efforts.

Real Estate

Properties that exhibit higher use value than commercial timberlands are monetized by our Real Estate business over time. We analyze our existing U.S. timberland holdings using a process we call AVO. We start with understanding the value of a parcel operating as commercial timberlands and then assess the specific real estate attributes of the parcel and its corresponding market. The assessment includes demographics, infrastructure and proximity to amenities and recreation to determine the potential to realize a premium value to commercial timberland. Attributes can evolve over time, and accordingly, the assignment of value and opportunity can change. We continually revisit our AVO assessment across our timberland portfolio. Additionally, we leverage new technology to improve and enhance our ability to identify and capture value from various timber and non-timber attributes, including carbon, renewable energy and other climate solutions opportunities. This technology-enabled approach, referred to as "AVO 2.0", leverages remote sensing, satellite imagery, machine learning and other advanced data analytics, and continues to drive significant improvements in our ability to identify strategic growth opportunities and manage every acre in our portfolio to maximize value across the full suite of attributes and opportunities.

We expect to sell certain properties for recreational, conservation, commercial or residential purposes over time. We will also entitle a small amount of acres for real estate development. Development, outside of entitlement activities, is typically performed by third parties. Mitigation banking consists of setting aside certain areas of our timberlands to preserve, enhance or restore a wetland, stream or habitat area to make up for development by another entity in a similar nearby ecosystem. Activities within the Real Estate business that contribute to climate solutions include conservation sales or easements and mitigation banking. Some of our real estate activities are conducted through our TRSs.

Occasionally, we sell a small amount of timberland acreage in areas where we choose to reduce our market presence and capture a price that exceeds the value derivable from holding and operating as commercial timberlands. These transactions will vary based on factors including the location and physical and operating characteristics of the timberlands.

The volume of real estate sales is a function of many factors, including the general state of the economy, demand in local real estate markets, the ability of buyers to obtain financing, the number of competing properties listed for sale, the seasonal nature of sales, the plans of adjacent landowners, our expectation of future price appreciation, the timing of harvesting activities and the availability of government and not-for-profit funding. In any period, the average price per acre sold will vary based on the location and physical characteristics of parcels sold.

Energy and Natural Resources

We focus on maximizing potential opportunities for construction materials, industrial minerals, renewable energy (including wind and solar energy), natural gas, right-of-way easements on our timberland portfolio and retained mineral interests. Activities within the ENR business that contribute to climate solutions include utilizing land for the production of renewable energy like wind and solar, forest carbon and carbon capture and sequestration.

As the owner of mineral rights and interests, we typically do not invest in development or operations but, instead, enter into contracts with operators granting them the rights to explore, develop and sell energy and natural resources produced from our property in exchange for rents and royalties. We generally reserve mineral rights when selling timberlands acreage. Some Energy and Natural Resources activities are conducted through our TRSs.

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Real Estate, Energy and Natural Resources Sources of Revenue

BUSINESSSOURCES OF REVENUE
Real Estate• Select timberland tracts are sold for recreational, conservation, commercial or residential purposes.• Mitigation banking credits are generated and sold.
Energy and Natural Resources• Rights are granted to explore for, extract and sell construction aggregates (rock, sand and gravel), industrialmaterials and natural gas. • Ground leases and easements are granted to wind and solar developers to generate renewable electricity.• Rights are granted to access and utilize timberland acreage for communications, pipeline, powerline and transportation rights of way.• Forest carbon credits are generated and sold.• Subsurface ownership is leased for carbon sequestration.

Our Real Estate business identifies opportunities to realize premium value for our owned timberland acreage.

The majority of our Energy and Natural Resources revenue sources are located in Arkansas, Oregon, Washington, South Carolina and Georgia (construction material royalties), as well as Louisiana and West Virginia (natural gas royalties).

Our net sales over the last two years were $454 million in 2025 and $391 million in 2024.

Five-Year Summary of Net Sales for Real Estate, Energy and Natural Resources

NET SALES IN MILLIONS OF DOLLARS
20252024202320222021
Net sales:
Real Estate$330$280$237$235$246
Energy and Natural Resources12411112613398
Total$454$391$363$368$344

Five-Year Summary of Real Estate Sales Statistics

REAL ESTATE SALES STATISTICS
20252024202320222021
Acres sold57,09594,90862,94258,79155,827
Average price per acre$4,827$2,682$3,494$3,714$3,725
continuing to leverage our AVO process and technology platform, expertise and scale to identify opportunities to capture a premium to timber value;
maintaining a flexible, low-cost execution model by continuing to leverage strategic relationships with outside real estate brokers;
expanding our real estate development activities and investment to capture incremental value on portions of our portfolio uniquely positioned in the path of growth;
continuing to build out our core Climate Solutions businesses, including forest carbon, carbon capture and sequestration, conservation, renewable energy and mitigation banking;
building a biocarbon platform and leveraging our scale and sophistication to pursue additional emerging climate solutions opportunities and
delivering the most value from every acre.

WOOD PRODUCTS

We are one of the largest manufacturers and distributors of wood products in North America.

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 19

Our Wood Products segment:

manufactures high-quality structural lumber, oriented strand board, engineered wood products and other specialty products for the residential, multi-family, industrial, light commercial and repair and remodel markets and
distributes our products as well as complementary building products that we purchase from other manufacturers.

Wood Products Sources of Revenue

PRODUCTSHOW THEY’RE USED
Structural lumberStructural framing for new residential, repair and remodel, treated applications, industrial and commercial structures, as well as other lumber specialty products.
Oriented strand boardStructural sheathing, subflooring and stair tread for residential, multi-family and commercial structures.
Engineered wood products• Solid section• I-joists• Softwood plywood• Medium density fiberboardStructural elements for residential, multi-family and commercial structures such as floor and roof joists, headers, beams, subflooring and sheathing.Medium density fiberboard products for store fixtures, molding, doors and cabinet components.
Other productsWood chips and other byproducts.
Complementary building productsComplementary building products such as cedar, decking, siding, insulation and rebar sold in our distribution facilities.

We operate manufacturing facilities in the United States and Canada. We distribute through a combination of Weyerhaeuser distribution centers and third-party distributors. Information about the locations, capacities and actual production of our manufacturing facilities is included below.

Summary of Wood Products Capacities and Principal Manufacturing Locations as of December 31, 2025

CAPACITIES IN MILLIONS
PRODUCTIONCAPACITYNUMBER OFFACILITIESFACILITY LOCATIONS
Structural lumber – board feet(1)5,23617Alabama, Arkansas, Louisiana (2), Mississippi (3), Montana, North Carolina (2), Oklahoma, Oregon (2), Washington (2), Alberta (2)
Oriented strand board – square feet (3/8”)3,1506Louisiana, Michigan, North Carolina, West Virginia, Alberta, Saskatchewan
Engineered solid section – cubic feet(2)426Alabama, Louisiana, Oregon, West Virginia, British Columbia, Ontario
Softwood plywood – square feet (3/8”)(3)6103Arkansas, Louisiana, Montana
Medium density fiberboard – square feet (3/4”)2651Montana

(1)

In September 2025, we sold our Princeton, B.C. lumber mill. Additionally, this excludes our New Bern, N.C. lumber mill, which was indefinitely curtailed in third quarter 2024.

(2)

This represents total press capacity. Our engineered solid section facilities also may produce engineered I-joists. In 2025, approximately 24 percent of the total press production was converted into 143 million lineal feet of I-joist.

(3)

All of our plywood facilities also produce veneer.

Production capacities listed represent annual production volume under normal operating conditions and producing a normal product mix for each individual facility.

As of December 31, 2025, we also owned or leased 20 distribution centers in the U.S. where our products and complementary building products are sold. In January 2026, we opened an additional distribution center in Billings, Montana.

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 20

Five-Year Summary of Wood Products Production

PRODUCTION IN MILLIONS
20252024202320222021
Structural lumber – board feet4,5474,4044,5724,5134,815
Oriented strand board – square feet (3/8”)2,9882,9202,9332,9612,865
Engineered solid section – cubic feet22.022.321.923.624.0
Engineered I-joists – lineal feet143147147172190
Softwood plywood – square feet (3/8”)322314310259263
Medium density fiberboard – square feet (3/4”)118138132161206

Revenues of our Wood Products segment come from sales to wood products dealers, do-it-yourself retailers, builders and industrial users. Wood Products net sales were $5.0 billion in 2025 and $5.2 billion in 2024.

Five-Year Summary of Net Sales for Wood Products

NET SALES IN MILLIONS OF DOLLARS
20252024202320222021
Structural lumber$2,037$1,906$2,123$3,374$3,721
Oriented strand board7629799441,5781,840
Engineered solid section649708783862679
Engineered I-joists343390447573447
Softwood plywood155158166193210
Medium density fiberboard135159155192186
Other products produced(1)311306335346348
Complementary building products565615704840790
Total$4,957$5,221$5,657$7,958$8,221

(1)

Other products produced sales include wood chips, other byproducts and third-party residual log sales from our Canadian Forestlands operations.

Five-Year Trend for Total Net Sales in Wood Products

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 21

Percentage of 2025 Net Sales Dollars in Wood Products

Wood Products Volumes

Five-Year Summary of Sales Volumes for Wood Products

SALES VOLUMES IN MILLIONS(1)
20252024202320222021
Structural lumber – board feet4,7404,5004,6494,6584,902
Oriented strand board – square feet (3/8”)2,9162,8102,8642,8532,726
Engineered solid section – cubic feet22.022.322.323.024.4
Engineered I-joists – lineal feet141149154171194
Softwood plywood – square feet (3/8”)360342342285308
Medium density fiberboard – square feet (3/4”)116135122160205

(1)

Sales volumes include sales of internally produced products as well as complementary building products sold primarily through our distribution centers.

Wood Products Prices

In general, the following factors influence sales realizations for wood products:

Demand for wood products used in residential and multi-family construction and the repair and remodel of existing homes affects prices. Residential and multi-family construction is influenced by factors such as population growth and other demographics, availability of labor and lots, the level of employment, consumer confidence, consumer income, availability of financing and interest rate levels, and the supply and pricing of existing homes on the market. Repair and remodel activity is primarily affected by the size and age of existing housing inventory and access to home equity financing and other credit.
The supply of commodity building products such as structural lumber, oriented strand board and softwood plywood affects prices. A number of factors can influence supply, including changes in production capacity and utilization rates, weather, imported supply, raw material supply and availability of labor and transportation.

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 22

The following graphs reflect product price trends for the past five years.

Five-Year Summary of Published Lumber Prices — $/MBF

Five-Year Summary of Published Oriented Strand Board Prices — $/MSF

delivering industry-leading controllable manufacturing costs and optimizing capacity through operational excellence and disciplined capital execution;
aligning closely with fiber supply;
expanding our distribution footprint and our lumber and engineered wood products capacity;
developing new and innovative products;
leveraging our brand and reputation as the preferred provider of quality building products and
pursuing disciplined, profitable sales growth in target markets.

WEYERHAEUSER COMPANY >2025 ANNUAL REPORT AND FORM 10-K 23

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