Kenya's biggest lender KCB Group saw an 8% jump in profit after tax in the first quarter to March, to 6.3 billion Kenyan shillings ($59 million), it said in a statement on Wednesday.

The rise was driven in part by a boost to interest income from loan book growth, the bank said.

($1 = 106.8000 Kenyan shillings)

(Reporting by Omar Mohammed; Editing by Jan Harvey)