California Pizza Kitchen, Inc. (Nasdaq: CPKI) yesterday reported revenues and earnings for the first quarter ended April 1, 2001. Highlights for the quarter compared to the same quarter for the prior year were as follows: Total revenues up 18% to $57.0 million Operating income before pre-opening up 26% to $5.3 million compared to pro-forma operating income before pre-opening in the first quarter of 2000