1) AFFORDABLE EQUITY PARTNERS INC.

2) ANTHROPIC PBC

3) BNSF RAILWAY COMPANY

4) CONSTELLIS HOLDINGS, LLC

5) COVINGTON & BURLING LLP ON BEHALF OF THE SHORTWAVE MODERNIZATION COALITION

6) CSI AVIATION INC.

7) INTUIT, INC. AND AFFILIATES (FORMERLY INTUIT, INC.)

8) JOHNSON & JOHNSON SERVICES, INC

9) OCCIDENTAL PETROLEUM CORPORATION

10) SOLVENTUM

11) THE GEO GROUP, INC.

12) UNITED PARCEL SERVICE

13) UNITED SERVICES AUTOMOBILE ASSOCIATION (USAA)