Profit performance

QUARTERLY PROFIT (NOK million)	Q4 2018	Q3 2018	Q2 2018	Q1 2018	Q4 2017
Net interest income	70	66	66	72	75
Other operating income	-1	1	-2	1	1
Total operating costs	10	11	11	10	10
Profit before impairment on loans	59	56	53	63	66
Impairment on loans	1	-2	3	-1	-3
Pre tax profit	58	58	50	64	69
Tax	16	13	11	15	12
Profit after tax	42	45	39	49	57

As a percentage of average assets:
Net interest income	1.17	1.02	1.11	1.34	1.43
Other operating income	-0.01	0.01	-0.03	0.02	0.02
Total operating costs	0.17	0.16	0.20	0.18	0.18
Profit before impairment on loans	0.99	0.87	0.88	1.18	1.27
Impairment on loans	0.02	-0.04	0.05	-0.02	-0.06
Pre tax profit	0.97	0.91	0.83	1.20	1.33
Tax	0.27	0.21	0.20	0.28	0.23
Profit after tax	0.70	0.70	0.63	0.92	1.10

Average total assets (NOK million)	23 794	25 983	23 970	21 365	20 910

ACCUMULATED PROFIT FOR THE YEAR (NOK million)	31.12.2018	31.12.2017
Net interest income	274	261
Other operating income	-1	-13
Total operating costs	42	38
Profit before impairment on loans	231	210
Impairment on loans	1	-3
Pre tax profit	230	213
Tax	56	48
Profit after tax	174	165

As a percentage of average assets:
Net interest income	1.15	1.29
Other operating income	0.00	-0.06
Total operating costs	0.18	0.19
Profit before impairment on loans	0.97	1.04
Impairment on loans	0.01	-0.01
Pre tax profit	0.96	1.05
Tax	0.24	0.24
Profit after tax	0.72	0.81

Average total assets (NOK million)	23 834	20 225