James Hardie, Boise Cascade expand TimberTech, AZEK Distribution

CHICAGO, Oct 23, 2025 /PRNewswire/ — James Hardie Building Products Inc.a subsidiary of James Hardie Industries plc (NYSE / ASX: JHX) (“James Hardie” or the “Company”), the North American leader in fiber cement home cladding and exterior design solutions, today announced an expansion of its product offerings Boise Cascade Company (NYSE: BCC) (“Boise Cascade”), a leading wholesaler of building materials in North America.

Under a new multi-year agreement, Boise Cascade will now distribute AZEK® Exteriors and TimberTech® Decking and Railing products in the United States Pittsburgh, BaltimoreAnd Washington, D.C markets as well as the full range of Hardie® products. Boise Cascade's extensive network includes 39 distribution locations North America serves independent loggers, one-step dealers and retailers in a variety of building product categories. The expanded product offering strengthens Boise Cascade's ability to offer James Hardie's complete portfolio of high-quality, value-added products.

“We look forward to expanding our long-term strategic partnership with James Hardie,” said Nate Jorgensen, CEO of Boise Cascade. “The addition of TimberTech® gives us access to a leading composite decking brand in the world.” Pittsburgh, BaltimoreAnd Washington, D.C markets for the first time. Boise Cascade and James Hardie have many shared values, including our commitment to quality service, and we are proud to expand our offering of high-quality, value-added products that we know our customers are looking for.”

Aaron Erter, CEO of James Hardie Industries, emphasized the importance of the partnership, noting, “As a leading distributor, Boise Cascade allows us to expand access to our extensive offering of industry-leading products that are both robust and beautiful. Additionally, the expanded offering will help fuel our shared growth ambitions by expanding our portfolio of Expand facade cladding products with ColorPlus.”^® Technology that offers greater reach through our common base. We are pleased to introduce the TimberTech® and AZEK® Exteriors brands to our long-standing relationship with Boise Cascade.”

James Hardie's new portfolio of high-performance, low-maintenance exterior brands includes Hardie® and an expanded family of brands including TimberTech®, AZEK® Exteriors, Versatex® and StruXure®, offering incredible value and endless design possibilities for homeowners looking for siding, decking, cladding, railings and pergolas.

More information about Hardie^® For more products, visit www.jameshardie.com.

About James Hardie Building Products Inc.
James Hardie is the North American leader in fiber cement exterior design solutions. Hardie® products offer long-lasting beauty and endless design possibilities with reliable protection and low maintenance. As a leading manufacturer of high performance fiber cement building solutions in the United StatesJames Hardie offers costumes and accessories to suit every style. Hardie® products are non-flammable*, withstand the elements and time, and enable homeowners and construction professionals to create their dream home. James Hardie operates with an inclusive culture and an unwavering commitment to Zero Harm. The company is proud to employ a diverse workforce of over 3,700 employees in North America.

For more information and media resources, visit JamesHardie.com and JamesHardie.com/all-about-james-hardie/media-resources. For investor information please visit ir.JamesHardie.com.au.

*Hardie® fiber cement products are non-combustible and/or have a Class A fire rating when tested in accordance with ASTM E84. The fire resistance of fiber cement does not extend to applied paints or coatings, which may become damaged or charred when exposed to flames. Using non-combustible cladding in combination with other fire protection measures can help protect a home against fire from the outside.

About Boise Cascade
Boise Cascade is one of the largest manufacturers of engineered wood and plywood in North America and a leading one US Wholesaler of building products. For more information, see www.bc.com.

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Media contact:

James Hardie
jameshardieuspr@webershandwick.com

Contact for investors:

Joe Ahlersmeyer, CFA
Vice President, Investor Relations
investors@jameshardie.com

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SOURCE James Hardie Building Products Inc.