Express-AT1 is a Russian communications satellite of the Express series designed to operate in geostationary orbit as part of the satellite constellation of FSUE Cosmicheskaya Svyaz (RSCC).
| Name of Satellite | Express-AT1 |
| Purpose | Communications |
| Contractor | OAO-ISS |
| Country of Contractor | Russia |
| Launch Mass (kg.) | 1 726 |
| Class of Orbit | GEO |
| Perigee (km) | 35 781 |
| Expected Lifetime (yrs.) | 15 |
| Date of Launch | 15.03.2014 |
| Launch Site | Baikonur Cosmodrome |
| Launch Vehicle | Proton M |
| COSPAR Number | 2014-010A |
| NORAD Number | 39612 |
Express-AT1 was constructed in Reshetnev ISS on the basis of the Express-1000H platform, according to order of the Russian satellite communications operator FSUE Cosmicheskaya Svyaz, which used to restore its orbital constellation. Discounting the payload is made by Thales Alenia Space.
