Maxwell Technologies reported a net loss of $4.3 million on revenue of $12.6 million for its first quarter ended March 2007, compared with a net loss of $7.5 million, on revenue of $12.0 million for the same period in 2006. Boostcap ultracapacitor revenue for Q107 increased by 18 percent to $3.3 million, compared with $2.8 million for the same period in 2006, but declined, quarter-to-quarter from Q406, as a result of lower-than-expected shipments to certain large customers.