Good: an official statement that does not explicitly deny inclusion, but implies or suggests no inclusion. An even better reply would have included a link.

https://press.spglobal.com/2025-08-25-Interactive-Brokers-Group-Set-to-Join-S-P-500,-Talen-Energy-to-Join-S-P-MidCap-400-and-Kinetik-Holdings-to-Join-S-P-SmallCap-600