How do you get exp share in Pokemon gold?

Answer:
After battling/capturing the Red Gyarados at The Lake of Rage, it will drop a Red Scale. Pick it up and then go to where Mr. Pokemon (the guy who gave you the egg) lives. He will trade you the Red Scale for his Exp. Share.
First answer by ID1178012189. Last edit by Rawrii. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 0 [recommend question].