Ardea Biosciences, Inc./De – Underwriting Agreements Watch

from 8-K 41 pages 8,500,000 Shares Ardea Biosciences, Inc. Common Stock ($0.001 Par Value Per Share) Underwriting Agreement

from 8-K 42 pages 2,750,000 Shares Ardea Biosciences, Inc. Common Stock ($0.001 Par Value Per Share) Underwriting Agreement

from 8-K 41 pages 3,500,000 Shares Ardea Biosciences, Inc. Common Stock ($0.001 Par Value Per Share) Underwriting Agreement

from SC 13D ~5 pages Joint Filing Agreement

from S-1/A 30 pages 3,000,000 Shares Common Stock ($0.001 Par Value) Equity Underwriting Agreement

from SC 13G/A 1 page <page> Exhibit I Pursuant to Rule 13d-1(k)(1) Under the Securities Exchange Act of 1934, the Undersigned Hereby Agree That Only One Statement Containing the Information Required on Schedule 13g Need Be Filed With Respect to Ownership by Each of the Undersigned of Shares of Common Stock of Intrabiotics Pharmaceuticals, Inc. This Agreement May Be Executed in Any Number of Counterparts, Each of Which Shall Be Deemed an Original. Dated: July 3, 2002 the St. Paul Companies, Inc. By: /S/ Bruce A. Backberg Bruce A. Backberg Its: Senior Vice President St. Paul Fire and Marine Insurance Company By: /S/ Bruce A. Backberg Bruce A. Backberg Its: Senior Vice President Page 8 of 8

from SC 13G/A ~1 page Joint Acquisitions

from S-1/A ~20 pages Underwriting agreement