Warburg Pincus Private Equity VIII, L.P. Watch

from SC 13D/A 2 pages Joint Filing Agreement

from SC 13D/A 1 page Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d With Respect to the Common Stock of Jarden Corporation Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: June 14, 2005 Warburg Pincus Private Equity VIII, L.P. By: Warburg Pincus Partners LLC General Partner By: Warburg Pincus & Co., as Managing Member By:/S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Warburg Pincus Partners LLC By: Warburg, Pincus & Co., as Managing Member By:/S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Warburg Pincus & Co. By:/S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Warburg Pincus LLC By:/S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner

from SC 13D/A 1 page Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d With Respect to the Common Stock of Jarden Corporation Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: June 14, 2005 Warburg Pincus Private Equity VIII, L.P. By: Warburg Pincus Partners LLC General Partner By: Warburg Pincus & Co., as Managing Member By:/S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Warburg Pincus Partners LLC By: Warburg, Pincus & Co., as Managing Member By:/S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Warburg Pincus & Co. By:/S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Warburg Pincus LLC By:/S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner

from SC 13D 1 page <page> Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock and Exchangeable Preferred Stock of the Allos Therapeutics, Inc. Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: March 7, 2005 Warburg Pincus Private Equity VIII, L.P. By: Warburg Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: March 7, 2005 Warburg Pincus & Co. By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: March 7, 2005 Warburg Pincus LLC By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Managing Director

from SC 13D/A ~50 pages Underwriting agreement

from SC 13D 1 page Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Medical Staffing Network Holdings, Inc. Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: May 21, 2004 Warburg Pincus Private Equity VIII, L.P. By: Warburg Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: May 21, 2004 Warburg Pincus & Co. By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: May 21, 2004 Warburg Pincus LLC By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Managing Director

from SC 13D 1 page Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Neurogen Corporation Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: April 21, 2004 Warburg Pincus Private Equity VIII, L.P. By: Warburg Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: April 21, 2004 Warburg Pincus & Co. By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: April 21, 2004 Warburg Pincus LLC By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Managing Director

from SC 13D 1 page Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Scansoft, Inc. Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: April 19, 2004 Warburg Pincus Private Equity VIII, L.P. By: Warburg Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: April 19, 2004 Warburg Pincus & Co. By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: April 19, 2004 Warburg Pincus LLC By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner

from SC 13D/A ~5 pages Underwriting agreement

from SC 13D/A ~20 pages Certificate of Designations

from SC 13D/A ~50 pages Amended and Restated SEC Purchase Agreement

from SC 13D/A ~50 pages Securities Purchase Agreement

from SC 13D 1 page Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Wellman, Inc. Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: July 1, 2003 Warburg Pincus Private Equity VIII, L.P. By: Warburg Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: July 1, 2003 Warburg Pincus & Co. By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: July 1, 2003 Warburg Pincus LLC By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Managing Director Dated: July 1, 2003 Warburg Pincus Netherlands Private Equity VIII C.V. I By: Warburg Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner <page> Dated: July 1, 2003 Warburg Pincus Netherlands Private Equity VIII C.V. II By: Warburg Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: July 1, 2003 Warburg Pincus Germany Private Equity VIII Kg By: Warburg Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner

from SC 13D/A ~10 pages Stockholder Agreement

from SC 13D/A ~10 pages Standstill Agreement

from SC 13D 1 page Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Manugistics Group, Inc. Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: August 30, 2002 Warburg Pincus Private Equity VIII, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: August 30, 2002 Warburg, Pincus & Co. By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: August 30, 2002 Warburg Pincus LLC By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Managing Director Dated: August 30, 2002 Warburg Pincus Netherlands Private Equity VIII C.V. I By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner <page> Dated: August 30, 2002 Warburg Pincus Netherlands Private Equity VIII C.V. II By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: August 30, 2002 Warburg Pincus Germany Private Equity VIII Kg By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner

from SC 13D 1 page Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Proxim Corporation Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: August 5, 2002 Warburg Pincus Private Equity VIII, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: August 5, 2002 Warburg, Pincus & Co. By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: August 5, 2002 Warburg Pincus LLC By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Managing Director Dated: August 5, 2002 Warburg Pincus Netherlands Private Equity VIII C.V. I By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner <page> Dated: August 5, 2002 Warburg Pincus Netherlands Private Equity VIII C.V. II By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner Dated: August 5, 2002 Warburg Pincus Germany Private Equity VIII Kg By: Warburg, Pincus & Co., General Partner By: /S/ Scott A. Arenare Name: Scott A. Arenare Title: Partner

from SC 13D 1 page Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Evolve Software, Inc. Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: October 1, 2001 Warburg Pincus Private Equity VII, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Scott Arenare Name: Scott Arenare Title: Attorney in Fact Dated: October 1, 2001 Warburg, Pincus & Co. By: /S/ Scott Arenare Name: Scott Arenare Title: Attorney in Fact Dated: October 1, 2001 Warburg Pincus LLC By: /S/ Scott Arenare Name: Scott Arenare Title: Vice President

from SC 13D 1 page <page> Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Triangle Pharmaceuticals, Inc. Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: September 4, 2001 Warburg Pincus Private Equity VIII, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Scott Arenare Name: Scott Arenare Title: Attorney in Fact Dated: September 4, 2001 Warburg, Pincus & Co. By: /S/ Scott Arenare Name: Scott Arenare Title: Attorney in Fact Dated: September 4, 2001 Warburg Pincus LLC By: /S/ Scott Arenare Name: Scott Arenare Title: Vice President

from SC 13D 1 page <page> Exhibit 1 Joint Filing Agreement the Undersigned Hereby Agree That the Statement on Schedule 13d Filed by the Undersigned With Respect to the Common Stock of Synaptic Pharmaceutical Corporation Is, and Any Amendment Thereto Signed by Each of the Undersigned Shall Be, Filed on Behalf of Each Undersigned Pursuant to and in Accordance With the Provisions of Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. Dated: August 9, 2001 Warburg Pincus Private Equity VIII, L.P. By: Warburg, Pincus & Co., General Partner By: /S/ Scott Arenare Name: Scott Arenare Title: Attorney in Fact Dated: August 9, 2001 Warburg, Pincus & Co. By: /S/ Scott Arenare Name: Scott Arenare Title: Attorney in Fact Dated: August 9, 2001 Warburg Pincus LLC By: /S/ Scott Arenare Name: Scott Arenare Title: Vice President