Continuing Appropriations Resolution, 2013
The EO provides the schedules of increases amongst the government employees in varying departments.
There are multiple EOs from previous Presidents regarding this same subject at this link
I don't care. It's pernicious,and it's folly, and if other Presidents -- I should say, actual Presidents -- thought they could raise Congress's pay by Executive Order, then I've got a news flash for you: It's unconstitutional as hell!
Presidents raise Congress's pay? HELL NO!!