Profit performance - Group

QUARTERLY PROFIT
(NOK million)	Q4 2019	Q3 2019	Q2 2019	Q1 2019	Q4 2018
Net interest income	339	351	320	304	309
Other operating income	75	63	78	77	56
Total operating costs	168	161	160	157	156
Profit before impairment on loans	246	253	238	224	209
Impairment on loans, guarantees etc.	15	16	6	13	12
Pre-tax profit	231	237	232	211	197
Tax	41	57	53	49	60
Profit after tax	190	180	179	162	137

As a percentage of average assets
Net interest income	1.79	1.91	1.75	1.69	1.76
Other operating income	0.40	0.34	0.43	0.43	0.32
Total operating costs	0.89	0.87	0.88	0.87	0.89
Profit before impairment on loans	1.30	1.38	1.30	1.25	1.19
Impairment on loans, guarantees etc.	0.08	0.09	0.03	0.07	0.07
Pre-tax profit	1.22	1.29	1.27	1.18	1.12
Tax	0.21	0.31	0.29	0.26	0.34
Profit after tax	1.01	0.98	0.98	0.92	0.78