Company: OC
Filing Date: 2025-03-14
Form Type: DEF 14A
Source: 0001370946-25-000125
Chunk: 85

Company: Owens Corning
Filing Date: 2025-03-14
Form: DEF 14A
Chunk 85
---
 this Proxy Statement. If any other matter should come before the Annual Meeting, the persons named as proxies intend to vote the proxies in accordance with their best judgment.

The Chair of the Annual Meeting may refuse to allow the transaction of any business, or to acknowledge the nomination of any person, not made in compliance with the foregoing procedures or take other specific actions to regulate the conduct of the meeting.

Whether or not you plan to attend the Annual Meeting, your vote is important. Please vote on the internet, by telephone or by mail.

70

T a b l e o f C o n t e n t s

If you vote by telephone, the call is toll-free. No postage is required for mailing in the United States if you vote by mail using the enclosed prepaid envelope.

71

T a b l e o f C o n t e n t s

### QUESTIONS AND ANSWERS ABOUT THE ANNUAL MEETING AND VOTING

#### WHY DID I RECEIVE THESE PROXY MATERIALS?
We are providing these proxy materials in connection with the solicitation by the Board on behalf of the Company of proxies to be voted at the Annual Meeting and at any adjournment or postponement thereof. On or about March 14, 2025, we will begin distributing these proxy materials to stockholders.

#### WHO IS ENTITLED TO VOTE?
Holders of Owens Corning common stock at the close of business on February 18, 2025, the record date for the Annual Meeting, are entitled to receive this Proxy Statement and to vote their shares at the Annual Meeting. As of the record date, there were 85,537,231 shares of common stock outstanding and entitled to vote at the Annual Meeting. Each share of common stock is entitled to one vote on each matter properly brought before the Annual Meeting. All stockholders of record or their authorized representatives may vote at the Annual Meeting.

#### HOW DO I VOTE?
You may vote using one of the following methods:

• vote through the internet at www.proxyvote.com using the instructions included on the proxy card or voting instruction card;

• vote by telephone using the instructions on the proxy card or voting instruction card;

• complete and return a written proxy or voting instruction card;

• scan the smart QR Code from the proxy card; or

• attend and vote at the virtual Annual Meeting at www.virtualshareholdermeeting.com/OC2025.

Your vote is important. Please vote promptly.

WILL MY SHARES BE VOTED IF I DO NOT PROVIDE