1) ALASKA AIRLINES, INC.

2) COUPANG

3) ENVIVA LLC (FORMERLY KNOWN AS ENVIVA LP)

4) EXPEDIA GROUP

5) FRED HUTCHINSON CANCER CENTER (FORMERLY KNOWN AS SEATTLE CANCER CARE ALLIANCE)

6) HELION

7) NORTHWEST HEALTHCARE RESPONSE NETWORK

8) PUGET SOUND ENERGY

9) SEATTLE METROPOLITAN CHAMBER OF COMMERCE FKA GREATER SEATTLE CHAMBER OF COMMERCE

10) SKYNRG AMERICAS, INC.

11) VALVE CORPORATION

12) ZILLOW INC