Adjutant-General:
MAJOR-GENERAL SIR C. F. N. MACREADY.

Quartermaster-General:
MAJOR-GENERAL SIR W. R. ROBERTSON.

FIRST ARMY CORPS

General Officer Commanding-in-Chief
LIEUTENANT-GENERAL SIR DOUGLAS HAIG.

1st DIVISION

General Officer Commanding—MAJOR-GENERAL S. H. LOMAX.

1st Infantry Brigade

Brigade Commander—BRIGADIER-GENERAL F. I. MAXSE.
1st Batt. Coldstream Guards.
1st Batt. R. Highlanders.
1st Batt. Scots Guards.
2nd Batt. R. Munster Fusiliers.

2nd Infantry Brigade

Brigade Commander—BRIGADIER-GENERAL E. S. BULFIN.
2nd Batt. R. Sussex Regt.
1st Batt. Northampton Regt.
1st Batt. N. Lancs. Regt.
2nd Batt. K. R. Rifle Corps