Form: 10-K405/A

Annual report [Sections 13 and 15(d), S-K Item 405]

May 20, 1998

Documents

STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS

Published on May 20, 1998


IDEXX LABORATORIES, INC. EXHIBIT 11

SUPPLEMENTAL CALCULATION OF

SHARES USED IN DETERMINING

NET INCOME PER SHARE



Years Ended December 31,

1995 1996 1997
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Shares Outstanding for Basic Earnings
(Loss) Per Share
Weighted average common stock
outstanding during the period 32,945,847 37,082,497 37,974,188
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Shares Outstanding for Diluted Earnings
(Loss) Per Share
Weighted average common stock
outstanding during the period 32,945,847 37,082,497 37,974,188
Weighted average common stock
equivalents 2,416,256 2,436,325 --
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35,362,103 39,518,822 37,974,188