Net interest income went up 9 percent to 1,718 million while other income improved sharply by 56 percent to 861 million rupees.
In the six months to June, consolidated net profits were up 21 percent to 671 million rupees.
Group assets grew three percent to 145.5 billion rupees from 141.0 billion rupees.
At bank level, net performing loans remained steady at 94.7 billion growing by a marginal 1.5 percent while equity grew 6 percent to 6.7 billion from 6.3 billion.
Analysts say Sri Lanka's banks have shown good performance in the June quarter with loans being re-priced ahead of deposits.
Profits help boost capital levels of banks.
The Central Bank said in a statement Thursday that capital funds in the banking sector had increased by 21 billion or 13 percent giving a better cushion for risks.