Costco plans a special dividend of $7 per share next month in addition to the regular quarterly dividend the wholesale club operator pays shareholders.

The Issaquah, Wash., company said Wednesday that the special dividend will be payable Dec. 18 to shareholders of record Dec. 10. Costco Wholesale Corp.'s regular quarterly dividend of 27.5 cents per share will be paid Nov. 30 to shareholders of record as of Nov. 16.

Costco also said Wednesday that its November revenue climbed nearly 9 percent to $8.15 billion. Revenue from stores open at least a year rose 6 percent. The increase was 5 percent excluding gains from gasoline price inflation and stronger foreign currencies.