Profit performance - Group

Amounts in NOK million	Q1 2018	Q4 2017	Q3 2017	Q2 2017	Q1 2017
QUARTERLY PROFIT
Net interest income	289	290	281	268	261
Other operating income	53	58	55	63	66
Total operating costs	149	144	145	151	150
Profit before impairment on loans	193	204	191	180	177
Impairment on loans, guarantees etc.	2	-1	6	6	2
Pre tax profit	191	205	185	174	175
Tax	50	48	46	44	44
Profit after tax	141	157	139	130	131

As a percentage of average assets
Net interest income	1.73	1.76	1.72	1.71	1.69
Other operating income	0.32	0.35	0.34	0.40	0.43
Total operating costs	0.89	0.88	0.89	0.96	0.97
Profit before impairment on loans	1.16	1.23	1.17	1.15	1.15
Impairment on loans, guarantees etc.	0.01	-0.01	0.04	0.03	0.01
Pre tax profit	1.15	1.24	1.13	1.12	1.14
Tax	0.29	0.29	0.28	0.28	0.28
Profit after tax	0.86	0.95	0.85	0.84	0.86