| July 2021 | |
| July 14 | Exhibitor Resource Center Available |
| October 2021 | |
| October 15 | Exhibitor Listing for Pocket Program Due |
| November 2021 | |
| November 5 | Preshow Attendee List Sent to Exhibitors that Purchased |
| November 10 | Booth Furnishings and Shipment Discount Deadline |
| November 10 | Confirm Participation in Passport to Prizes Program |
| November 15 | AV Discount Deadline |
| November 19 | Deadline to Notify ASTRO of EAC or Giveaways |
| November 19 | Exhibitor Personnel and Sponsor Registration Deadline |
| December 2021 | |
| December 1 | Exhibitor Move-In: 6:00 p.m. – 8:00 p.m. |
| December 2 | Exhibit Hall Opens: 7:00 a.m. |
| December 3 | Exhibitor Move-Out: 3:00 p.m. – 5:00 p.m. |
| January 2022 | |
| January 2022 | Postshow Electronic Survey Due Postshow attendee list will be provided once survey is completed. |
