EXHIBIT 10
JOINT FILING AGREEMENT
The undersigned, being authorized thereunto, hereby execute this
agreement as an exhibit to this Schedule 13D to evidence the agreement of the
below-named parties, in accordance with the rules promulgated pursuant to the
Securities Exchange Act of 1934, to file this Schedule, and any amendments or
supplements thereto, jointly on behalf of each party.
AXYS PHARMACEUTICALS, INC.
By: /s/ Xxxxxx X. Xxxxxxxxxx
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Name: Xxxxxx X. Xxxxxxxxxx
Title: Secretary
APPLERA CORPORATION
By: /s/ Xxxxxx X. Xxxxxxxxxx
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Name: Xxxxxx X. Xxxxxxxxxx
Title: Secretary
Dated: February 13, 2003
