WD-40 Co. said March 20 that its board of directors declared a regular quarterly dividend of 29 cents per share, payable April 30, to stockholders of record on April 13.

San Diego-based WD-40 Co. markets its products in more than 160 countries worldwide and recorded sales of $336 million in fiscal year 2011. The company’s stock trades on the Nasdaq as WDFC.