The Westin Seattle welcomes The 2024 Green Hydrogen Summit starting Thursday, February 27, 2024, and ending Friday, March 01, 2024. All cancellations must be received 72 hours prior to your scheduled check-in date, or you may be subject to a fee equal to one night's room and tax. DESTINATION FEE: A daily destination fee of USD $25 will be added to the group room rate for amenities that enhance the guest experience including a daily food & beverage credit of USD $25 and local discounts.