Formed 1 Dec 1944 in Liegnitz from Kommodore der Ergänzungsjagdgruppen.
17./EJG1 was formed 30 Nov 1944 in (?), and was attached to I./EJG1. Served as vorschulstaffel for later Me 262 pilots. 17./EJG1 was disbanded 23 Mar 1945.
2./EJG1 became 8./EJG1 on 28 Feb 1945, 3./EJG1 became 4./EJG2 on 17 Apr 1945, and 4./EJG1 became 10./EJG1 in Apr 1945.
1./EJG1 was disbanded 21 Apr 1945, while Stab I./EJG1 was attached to Restkommando III./EJG1.
8./EJG1 was disbanded Feb 1945, but was reformed 28 Feb 1945 from 2./EJG1.
6./EJG1 was disbanded 28 Mar 1945, but was reformed from 2./EJG2.
7./EJG1 became 11./EJG1 on 20 Apr 1945, and was reformed from 5./EJG1, while a new 5./EJG1 was formed from 1./EJG2.
II./EJG1 was disbanded in late Apr 1945, but 7./EJG1 remained until the end.
18./EJG1 was formed 30 Nov 1944 in (?), and was attached to III./EJG1. Served as vorschulstaffel for later Me 262 pilots. 18./EJG1 was disbanded Feb 1945.
12./EJG1 was disbanded Mar 1945.
10./EJG1 was disbanded Apr 1945, and was reformed from 4./EJG1.
11./EJG1 was disbanded Apr 1945, and was reformed from 7./EJG1.
17./EJG1 was formed 18 Apr 1945 at Erding, but was apparently disbanded few days later, on 21 Apr 1945.
IV./EJG1 was disbanded 17 Apr 1945.