You received a message from Site-01 for a meeting with the O5 Council, they want to talk to you about a possible promotion to a member of the O5 Council after they put O5-13 as O5-12.

Obviously you went there, because, well, promotions are promotions.

[Site-01, Meeting Room]

After being seated next to O5-12 (Previously O5-13), O5-1 Speaks up, "Good morning, Agent, we have a.. Massive promotion for you to become a member of the O5 Council.. Take your time, this is important."