EXHIBIT 11
BOSTON BIOMEDICA, INC. AND SUBSIDIARIES
STATEMENT RE COMPUTATION OF PER SHARE EARNINGS
YEAR ENDED DECEMBER 31, SIX MONTHS ENDED JUNE 30,
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1993 1994 1995 1995 1996
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WEIGHTED AVERAGE SHARES OUTSTANDING:
Average common stock outstanding 2,402,534 2,551,946 2,569,641 2,562,398 2,625,241
Net effect of dilutive common stock
equivalents -- based on treasury stock
method using average market price -- -- 548,542 -- 623,044
Issuance of "cheap stock" 77,117 77,117 74,013 77,117 17,826
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Weighted average common and common
equivalent shares outstanding 2,479,651 2,629,063 3,192,196 2,639,515 3,266,111
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ADJUSTED NET INCOME:
Income before extraordinary item 92,586 96,528 102,990 (36,156) 82,869
Extraordinary item -- gain on elimination
of debt, net of income taxes 49,736 -- -- -- --
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Net income 142,322 96,528 102,990 (36,156) 82,869
Add: net reduction of interest on debt, less
40% taxes based on adjusted treasury stock
method -- -- 27,258 -- 20,894
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Adjusted net income for earnings per share
calculation 142,322 96,528 130,248 (36,156) 103,763
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Income (loss) per share 0.06 0.04 0.04 (0.01) 0.03
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