Ranked in the second tier of Kenyan banks, NIC said in a statement that 2011 earnings per share rose 47 percent to 6.72 shillings.
The bank, which did not give details to explain the rise in profit, said it would pay a final dividend of 0.25 shillings, unchanged from the previous year.
NIC had paid an interim dividend of the same amount.
NIC said it was planning to raise additional capital of 2 billion shillings through a rights issue.
The bank also said it hopes to expand in Uganda, where it expects to invest 961 million shillings to set up a wholly-owned subsidiary.