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Commonwealth Bank 1H21 Results ASX Announcement Disciplined execution delivered strong outcomes with market share gains in core businesses , increased provisioning and a significant capital surplus.¹ Net profit after tax $ 4,877m Statutory NPAT2 20.8 % on 1H20 $ 3,886m Cash NPAT ▼ 10.8 % on 1H20 NPAT was supported by strong business outcomes but impacted by the low rate environment and COVID - 19 . Statutory NPAT includes gains on the sale of divestments , including the completion of BoComm Life . Dividend $ 1.50 Per share , fully franked 2 ▲ 53 % on 2H20 ▼ 25 % on 1H20 The interim dividend was $ 1.50 per share , fully franked . This represents a cash payout ratio of 67 % , below the Board target payout range . Volume growth in core businesses³ Business lending Home lending + $ 13.0bn Household deposits + $ 23.2bn Net interest margin 2.01 % + $ 4.0bn > 3x system ▼ 3 bpts on 2H20 ▼ 10 bpts on 1H20 1.5x system 1.1x system Group net interest margin ( NIM ) declined mainly due to higher liquid balances and the impact of the low rate environment on deposits and capital earnings , partly offset by lower wholesale funding costs . Common Equity Tier 1 capital ratio 12.6 % APRA , Level 22 ▲ 100 bpts on 2H20 ▲ 90 bpts on 1H20 Strong organic capital generation and ongoing benefits of divestments supported higher capital levels , which remain well above APRA's ' unquestionably strong ' benchmark of 10.5 % . CET1 of 18.7 % on an internationally comparable basis . Loan impairment expense and provisions $ 882m ▲ $ 233m on 1H20 1.81 % Provision coverage ratio to credit risk weighted assets4 Total loan impairment provisions were further increased during the period with a total provision coverage ratio of 1.81 % . The loan loss rate for the half was 22 basis points5 ( bpts ) . For footnotes see the page vii of this ASX Announcement . Commonwealth Bank of Australia | ACN 123 123 124 | 10 February 2021 | Media Release 16/2021 Ground Floor Tower 1 , 201 Sussex Street , Sydney NSW 2000 i