Cambridge Bancorp announced unaudited consolidated earnings results for the fourth quarter and year ended December 31, 2012. For the quarter, net interest income was $11,616,000, income before income taxes was $4,515,000 and net income was $3,003,000 or $0.77 per diluted share against net interest income of $11,222,000, income before income taxes of $4,133,000 and net income of $2,910,000 or $0.76 per diluted share for the same period a year ago.

For the full year, net interest income was $45,875,000, income before income taxes was $19,717,000 and net income was $13,403,000 or $3.45 per diluted share against net interest income of $43,732,000, income before income taxes of $18,194,000 and net income of $12,477,000 or $3.25 per diluted share for the same period a year ago. Net cash provided by operating activities was $5,901,000 and purchase of banking premises and equipment was $1,428,000 against net cash provided by operating activities of $15,649,000 and purchase of banking premises and equipment of $1,614,000 a year ago. The increase in net interest income for the year was driven primarily by loan growth, as well as a reduction in deposit costs.