DIONEX CORP /DE|4May 20, 5:40 PM ET

DIONEX CORP /DE 4

4 · DIONEX CORP /DE · Filed May 20, 2011

Form 4

Period: 2011-05-17

Director

Transactions

Disposition to Issuer
Nonqualified Stock Option
2011-05-17−4,000→ 16,000 total
Exercise: $54.86Exp: 2011-05-17→ Common Stock (4,000 underlying)
Disposition to Issuer
Nonqualified Stock Option
2011-05-17−1,000→ 7,000 total
Exercise: $64.71Exp: 2011-05-17→ Common Stock (1,000 underlying)
Disposition to Issuer
Restricted Stock Unit
2011-05-17−1,000→ 3,000 total
Exercise: $0.00Exp: 2011-05-17→ Common Stock (1,000 underlying)

Footnotes (3)

[F1]Disposed of pursuant to the Agreement and Plan of Merger dated December 12, 2010 by and among the Issuer, Thermo Fisher Scientific, Inc. and Weston D Merger Co.
[F2]Pursuant to the Merger Agreement, this option was cancelled in exchange for a cash payment equal to the product of (i) the number of the Issuer's common stock subject to the option multiplied by (ii) the excess of $118.50 over the per share exercise price of the option.
[F3]Restricted Stock Units do not have an exercise price so this column is not applicable. Each restricted stock unit represents the right to receive one share of common stock which was disposed of pursuant to the Merger Agreement for $118.50 per share.

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