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EXHIBIT 11.1
BBN CORPORATION
COMPUTATION OF PER SHARE EARNINGS
Years Ended June 30, 1996, 1995 and 1994
(Dollars in thousands, except per-share data)
Year Ended June 30,
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1996 1995 1994
------------------------------ ------------------------------ -------------------------------
Fully Fully Fully
Primary Diluted Primary Diluted Primary Diluted
--------- --------- --------- ----------- ---------- ---------
Calculation of shares:
Weighted average of shares
outstanding 17,818,000 17,818,000 16,984,000 16,984,000 16,179,000 16,179,000
Incremental shares from use
of treasury stock method
for stock options (a) (a) 1,000,000 1,490,000 (a) (a)
----------- ----------- ----------- ----------- ----------- -----------
Shares used in per-share
calculations 17,818,000 17,818,000 17,984,000 18,474,000 16,179,000 16,179,000
=========== =========== =========== =========== =========== ===========
Income (loss) from
continuing operations $(49,902) $67,102 $(8,969)
Income (loss) from
discontinued opearations (6,740) (2,258) 1,145
-------- ------- -------
Net income (loss) $(56,642) $64,844 $(7,824)
======== ======= =======
Per-share amounts:
Income (loss) from
continuing operations $ (2.80) $ (2.80) $ 3.73 $ 3.63 $ (.55) $ (.55)
Income (loss) from
discontinued operations (.38) (.38) (.12) (.12) .07 .07
----------- ----------- ----------- ----------- ----------- -----------
Net income (loss) per share $ (3.18) $ (3.18) $ 3.61 $ 3.51 $ (.48) $ (.48)
=========== =========== =========== =========== =========== ===========
<FN>
(a) 1996 and 1994 incremental shares were antidilutive and, as a result, were
not included in the calculation of net loss per share.