His pleasantries get her to scoff, a smirk pulling at her lips. No one thinks it's 'nice' to meet her. He definitely doesn't know who she is.

"Depends on where they spent most of the war." Circle of Light. Arcee has to think on this for a long moment before she can place him - a group that abandoned Cybertron, led by a former senator. There'd been something about the Lost Light running into them recently? Arcee doesn't know, Prowl was the one who'd obsessed over Rodimus' reports like he could make them tell him something new.