Company: OC
Filing Date: 2025-03-14
Form Type: DEF 14A
Source: 0001370946-25-000125
Chunk: 80

Company: Owens Corning
Filing Date: 2025-03-14
Form: DEF 14A
Chunk 80
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 selected by the director (the available fund options include a fund indexed to Company common stock). The Company does not match or make any additional deferred compensation contributions for directors.

66

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

### EQUITY COMPENSATION PLAN INFORMATION
Information regarding the Company’s equity compensation plans as of December 31, 2024 is as follows:

| PLAN CATEGORY                             |     |    |     |           |               NUMBER OF 
 SECURITIES TO BE ISSUED 
        UPON EXERCISE OF 
             OUTSTANDING 
       OPTIONS, WARRANTS 
              AND RIGHTS |     |   | WEIGHTED-AVERAGE        
 EXERCISE PRICE OF       
 OUTSTANDING OPTIONS,    
 WARRANTS AND RIGHTS (3) |     |           |         NUMBER OF SECURITIES 
      REMAINING AVAILABLE FOR 
 FUTURE ISSUANCE UNDER EQUITY 
           COMPENSATION PLANS 
        (EXCLUDING SECURITIES 
  REFLECTED IN COLUMN (a))(4) |
|                                           |     | -a |     |           |                      -b |     |   | -c                      |     |           |                              |
| Equity compensation plans approved by     
 security holders (1)                      |     |    |     | 1,461,819 |                         |     | — |                         |     | 3,015,403 |                              |
| Equity compensation plans not approved by 
 security holders (2)                      |     |    |     |           |                 184,300 |     |   | —                       |     |           |                      625,630 |
| TOTAL                                     |     |    |     | 1,646,119 |                         |     | — |                         |     | 3,641,033 |                              |

(1) Relates to the Owens Corning 2023 Stock Plan, which authorizes the grant of stock options, stock appreciation rights, RSUs, bonus stock awards and PSUs. PSUs are reflected at target.

(2) Relates to the Masonite International Corporation 2021 Omnibus Incentive Plan (the “2021 Masonite Stock Plan”), which was assumed by the Company upon completion of the acquisition on May 15, 2024. Includes time-vesting Owens Corning RSUs issued in exchange for unvested and outstanding Masonite stock-based incentive awards under the 2021 Masonite Stock Plan to Masonite employees at a 0.8