Exhibit 11
Electronic Retailing Systems International, Inc.
Computation of Net Loss Per Common Share
Three Months Six Months
Ended Ended
June 30, 2000 June 30, 2000
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Net loss ($ 5,388,000) $ 7,688,000
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Weighted average common share outstanding 21,289,673 21,287,808
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Basic (loss) per common share ($0.25) $0.36
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Calculation of weighted average shares outstanding
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Shares issued and outstanding at Dec. 31, 1999 21,282,637 21,282,637
Issuance of shares pursuant to stock option plan 7,036 5,171
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Weighted average common shares outstanding 21,289,673 21,278,808
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corp\ers\sec.doc\exh11.00