Reorganized 22nd May, 1916, into three 4-gun 18-pounder and one 4-gun 4.5 howitzer batteries. (D to 154th Brigade. D/154 joined, becoming D/172.)
Reorganized 14th September, 1916, into two 6-gun 18-pounder and one 4-gun 4.5 howitzer batteries. (C broken up and divided between A and B.)
D/529 howitzer from England joined 7th October, 1916, becoming C/172.
One section of D to 153rd Brigade and one to 173rd Brigade, 13th January, 1917.
Brigade became 113th Army Brigade R.F.A., 22nd February, 1917. (A to 77th Brigade.)
173rd Brigade R.F.A.
A, B, C, D Batteries (18-pounder).
Reorganized 22nd May, 1916, into three 4-gun 18-pounder and one 4-gun 4.5 howitzer batteries. (D to 154th Brigade. B/154 joined, becoming D/173.)
Reorganized 14th September, 1916, into three 6-gun 18-pounder and one 4-gun 4.5 howitzer. (B broken up and divided between A and C. B/154 and one section C/154 joined, becoming B/173.) D made up to 6-gun battery 13th January, 1917. (One section from D/172.)