| November 2026 | |
| November 2026 | Exhibitor Resource Center Open |
| November 30 | Exhibitor Personnel and Sponsor Registration Opens |
| January 2027 | |
| January 29 | Exhibitor Listing for Printed Pocket Program Due |
| February 2027 | |
| February 1 | Hotel Reservation Information Due (Names, Arrival/Departure Dates, Credit Card Required to Guarantee Reservation) |
| February 10 | Deadline to Submit Preshow Attendee Mailing List Order Form |
| February 11 | Advanced Warehouse Open for Receiving |
| February 15 | Deadline to Notify ASTRO of EAC or Giveaway |
| February 17 | Preshow Attendee Mailing List Sent to Exhibitors that Purchased |
| February 19 | Audio/Visual Discount Deadline |
| February 22 | Deadline to Make Changes to Existing Hotel Reservation via the Head and Neck Housing Center |
| February 24 | General Services Contractor Discount Deadline |
| March 2027 | |
| March 3 | Date to Contact Hotel Directly for Exhibitor Housing Changes |
| March 12 | Final Date for Receiving at Advanced Warehouse |
| March 17 | Tabletop Display Setup: 3:00 p.m. - 5:00 p.m. |
| March 18 | Exhibit Hall Opens: 7:00 a.m. |
| March 19 | Exhibitor Move-Out: 3:30 p.m. - 6:00 p.m. |
| April 2027 | |
| April 4 | Postshow Electronic Survey Due |
| April 22 | Deadline to Submit Postshow Attendee Mailing List Request Form |
