May 11 (Reuters) - Pizza Pizza Royalty Corp PZA.TO :
* . ANNOUNCES FIRST QUARTER 2021 RESULTS
* Q1 SAME STORE SALES FELL 13.3 PERCENT
* Q1 ADJUSTED EARNINGS PER SHARE $0.171
* Q1 BASIC EARNINGS PER SHARE $0.164
* IN QUARTER, SYSTEM SALES FROM 725 RESTAURANTS IN ROYALTY POOL DECREASED 13.9% TO $108.2 MILLION FROM $125.7 MILLION