Dec 20 (Reuters) - Yamana Gold Inc YRI.TO :
* YAMANA GOLD ANNOUNCES SHARE PURCHASES BY THE EXECUTIVE CHAIRMAN AND CHIEF EXECUTIVE OFFICER
* YAMANA GOLD INC - EXECUTIVE CHAIRMAN, PETER MARRONE, HAS PURCHASED AN ADDITIONAL 650,000 COMMON SHARES OF YAMANA
* YAMANA GOLD INC - CHIEF EXECUTIVE OFFICER, DANIEL RACINE, HAS PURCHASED AN ADDITIONAL 70,000 COMMON SHARES
* YAMANA GOLD INC - PURCHASE BRINGS MARRONE'S TOTAL SHARE AND SHARE-EQUIVALENT OWNERSHIP IN CO TO OVER 4.84 MILLION SHARES