<PAGE>
EXHIBIT 11
DURA PHARMACEUTICALS, INC.
STATEMENTS RE COMPUTATIONS OF NET INCOME PER SHARE
IN THOUSANDS, EXCEPT PER SHARE AMOUNTS
(UNAUDITED)
<TABLE>
<CAPTION>
THREE MONTHS ENDED SIX MONTHS ENDED
JUNE 30, JUNE 30,
2000 1999 2000 1999
----------------------------------------------------------------------------
<S> <C> <C> <C> <C>
Net Income per Share - Basic
Net Income $ 9,440 $ 7,583 $ 21,898 $ 15,348
================ ================ ================ ================
Weighted average number of common shares:
Common stock 44,389 44,085 44,389 44,092
================ ================ ================ ================
Net Income per share $ 0.21 $ 0.17 $ 0.49 $ 0.35
================ ================ ================ ================
NET INCOME PER SHARE - DILUTED
Net Income $ 9,440 $ 7,583 $ 21,898 $ 15,348
================ ================ ================ ================
Weighted average number of common and
common equivalent shares assuming
issuance of all dilutive contingent shares:
Common stock 44,389 44,085 44,389 44,092
Stock options 840 562 1,057 778
Warrants 547 438 556 458
---------------- ---------------- ---------------- ----------------
Total 45,776 45,085 46,002 45,328
================ ================ ================ ================
Net Income per share $ 0.21 $ 0.17 $ 0.48 $ 0.34
================ ================ ================ ================
</TABLE>