Westamerica Bancorp. (WABC: chart), which provides banking services to individuals and corporate customers, said that its first-quarter net income declined to $23.6 million, or 76 cents per share, compared with $26.1 million, or 81 cents per share, in the year-ago period. Net interest income for the quarter came in at $46.9 million, down 13.1% from $53.9 million last year. The company posted first-quarter return on average equity of 23% compared with 24.9% in the same quarter last year, while return on assets was 2.03% versus 2.1% a year ago.

InsWeb Corp. (INSW: chart), which runs an insurance marketplace Web site, achieved to first quarter net earnings of $402,000, or 10 cents per share, compared with a net loss of $1.69 million, or 41 cents per share per share, in the year-ago period. Revenue climbed to $8.11 million versus $7.66 million last year. InsWeb also named Jaimie Pickles as president and chief operating officer, and Kiran Rasaretnam as chief financial officer.

Charles Schwab Corp. (SCHW: chart), which provides securities brokerage, banking, and related financial services, said that its net income for the first quarter increased 12% to $273 million, or 22 cents per share compared to $243 million or 19 cents per share a year ago. Revenue climbed to $1.15 billion versus $1.05 billion in the same quarter year ago.

M&T Bank Corp. (MTB: chart), which provides commercial and retail banking services, said that its first-quarter net income declined 13% to $176 million, or $1.67 per share, compared with $203 million, or $1.84 per share in the year-ago period. GAAP earnings fell to $1.57 per share from $1.77 per share in the year-ago period. Net operating income declined to $187 million from $211 million last year. Net interest margin declined to 3.64% from 3.73% a year ago. Loans classified as nonperforming totaled $273 million, or 0.63% of total loans at March 31, 2007, up from $143 million or 0.35% a year earlier. The increase was due in part to the addition of $40 million of loans to automobile dealers, the company said.