Owens Corning

Property, plant and equipment consist of the following:

Machinery and equipment includes certain precious metals used in our production tooling, which comprise approximately 3% and 4% of total machinery and equipment as of June 30, 2026 and December 31, 2025, respectively.

Upon completion of the sale of the GR business in the second quarter of 2026, the Company began selling excess precious metals. As a result, the Company sold certain precious metals resulting in gains of $10 million and $12 million for the three and six months ended June 30, 2026, respectively. For the three and six months ended June 30, 2025, the Company sold certain precious metals resulting in gains of $1 million and $10 million, respectively. These gains are included in Other expense, net on the Consolidated Statements of Earnings and are reflected in the Corporate, Other and Eliminations reporting category. The cash proceeds from the sales are included in Net cash flow used for investing activities in the Consolidated Statements of Cash Flow.

We also exchanged certain precious metals used in production tooling for certain other precious metals to be used in production tooling. During the three months ended June 30, 2026, there wereno non-cash exchanges. During the six months ended June 30, 2026, these non-cash exchanges resulted in a net increase to Machinery and equipment of $10 million and gains totaling $10 million. During the three and six months ended June 30, 2025, these non-cash exchanges resulted in a net increase to Machinery and equipment of $11 million and gains totaling $11 million. These gains are included in Other expense, net on the Consolidated Statements of Earnings and reflected in the Corporate, Other and Eliminations reporting category. These non-cash investing activities are not included in Net cash flow used by investing activities in the Consolidated Statements of Cash Flows.