The official contract addresses for Session Token are as follows:

SESH Token Contract on Ethereum and Arbitrum One:
0x10Ea9E5303670331Bdddfa66A4cEA47dae4fcF3b

Session Node Rewards Contract:
0xC2B9fC251aC068763EbDfdecc792E3352E351c00

Reward Rate Pool Contract:
0x11f040E89dFAbBA9070FFE6145E914AC68DbFea0

Service Node Contribution Factory Contract:
0x8129bE2D5eF7ACd39483C19F28DE86b7EF19DBCA