Item 5.02. Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Effective October 16, 2012, the Board of Directors of Dyax Corp. ("Dyax" or the "Company") appointed Marc D. Kozin to serve on the Board of Directors. Mr. Kozin will serve in the class of directors whose terms expire at Dyax's 2013 Annual Meeting of Stockholders.

In addition, the Board has determined that Mr. Kozin will be an independent director as defined by applicable NASDAQ Stock Market standards governing the independence of directors.

Mr. Kozin will receive the standard compensation for outside directors of Dyax, including retainer fees for Board and committee service and stock options.

A press release announcing the appointment of Mr. Kozin as a director, as described above, is attached hereto as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

99.1 Press release of Dyax Corp. dated October 16, 2012 announcing the appointment of Mr. Kozin as a director.

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