Company: OC
Filing Date: 2025-03-14
Form Type: DEF 14A
Source: 0001370946-25-000125
Chunk: 6

Company: Owens Corning
Filing Date: 2025-03-14
Form: DEF 14A
Chunk 6
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* Current or previous experience as a Chief Executive Officer (“CEO”).

3

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

THE BOARD OF DIRECTORS RECOMMENDS THAT YOU VOTE FOR EACH DIRECTOR NOMINEE NAMED IN PROPOSAL 1.

Nominees for Election as Directors for a Term Expiring at the 2026 Annual Meeting of Stockholders

| BRIAN D.                                       
 CHAMBERS                                       
 Board Chair & Director                         
 Age: 58                                        
 Director since: 2019                           
 CommitteeMembership(s):                        
 •Executive (Chair)                             
 Other Public Boards:                           
 •Lincoln Electric Holdings, Inc.(Nasdaq: LECO) |     | Career Highlights                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
 Mr. Chambers is Board Chair, President, and Chief Executive Officer of the Company. He was appointed Chief Executive Officer in 2019 and elected Board Chair in 2020. He previously served in several senior leadership roles at the Company, including President and Chief Operating Officer from 2018 to 2019, President of the Roofing business from 2014 to 2018, Vice President and General Manager of Roofing from 2013 to 2014, and Vice President and General Manager of the Composites business from 2011 to 2013. In total, Mr. Chambers has over 20 years of global business and leadership experience with the Company. He also previously held several commercial and operational roles at Saint Gobain, Honeywell, and BOC Gases.                                                                                                                                                                                                                                                                          
 Since February 2022, Mr. Chambers has served on the Board of Directors of Lincoln Electric Holdings, Inc., a world leader of engineering, design, and manufacturing of advanced arc welding solutions, automated joining, assembly and cutting systems, plasma and oxy-fuel cutting equipment, and is a member of its Audit and Finance Committees. Mr. Chambers is a member of the Business Roundtable. He also serves on the board of directors for the National Association of Manufacturers and is on the executive committees of the Ohio Business Roundtable and the Policy Advisory Board of the Joint Center for Housing Studies of Harvard University.                                                                                                                                                                                                                                                                                                                                                          
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