EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT AS OF MARCH 25, 1999 Royal Oak Mines Inc. (Amalgamated in the province of Ontario) 10502 Newfoundland Ltd. (Incorporated in the province of Newfoundland; 100% owned) 934962 Ontario Inc. (Incorporated in the province of Ontario; 100% owned) Arctic Precious Metals, Inc., doing business as Royal Oak Mines (USA) (Incorporated in the state of Nevada; 100% owned) Oz Investments Inc. (Incorporated in the state of Washington; 100% owned) Beaverhouse Resources Ltd. (Incorporated in the province of Ontario; 100% owned) Consolidated Professor Mines Limited (Amalgamated in the province of Ontario; 100% owned) Northbelt Yellowknife Gold Mines Ltd. (Incorporated in the province of Ontario; 72% owned) Ronnoco Gold Mines Limited (Incorporated in the province of Ontario; 89% owned) Royal Eagle Exploration Inc. (Incorporated in the province of Ontario; 60% owned) First Eagle Holdings, Inc. (Incorporated in the state of Nevada; 100% owned by Royal Eagle Exploration Inc.) Royal Oak Hope Brook Ltd. Incorporated in the province of Ontario; 100% owned) Royal Oak Timmins Ltd. (Incorporated in the province of Ontario; 100% owned) Royal Oak Yellowknife Ltd. (Incorporated in the province of Ontario; 100% owned) Witteck Development Inc. (Incorporated in the province of Ontario; 100% owned).