from SC 13D/A
1 page
<page> Exhibit 1 Agreement as to Joint Filing of Schedule 13d the Undersigned Hereby Agree That: (I) Each of Them Is Individually Eligible to Use the Schedule 13d Attached Hereto; (II) the Attached Schedule 13d Is Filed on Behalf of Each of Them; and (III) Each of Them Is Responsible for the Timely Filing of Such Schedule 13d and Any Amendments Thereto, and for the Completeness and Accuracy of the Information Therein Concerning Him or Itself; but None of Them Is Responsible for the Completeness or Accuracy of the Information Concerning the Other Persons Making the Filing, Unless He or It Knows or Has Reason to Believe That Such Information Is Inaccurate. Dated: April 12, 2002 the Travelers Indemnity Company By: /S/ Paul Eddy Name: Paul Eddy Title: Assistant Secretary Travelers Property Casualty Corp. By: /S/ Paul Eddy Name: Paul Eddy Title: Assistant Secretary Travelers Insurance Group Holdings Inc. By: /S/ Paul Eddy Name: Paul Eddy Title: Assistant Secretary the Travelers Insurance Company By: /S/ Joseph B. Wollard Name: Joseph B. Wollard Title: Assistant Secretary Pfs Services, Inc. By: /S/ Joseph B. Wollard Name: Joseph B. Wollard Title: Assistant Secretary Associated Madison Companies, Inc. By: /S/ Joseph B. Wollard Name: Joseph B. Wollard Title: Assistant Secretary <page> Citigroup Inc. By: /S/ Joseph B. Wollard Name: Joseph B. Wollard Title: Assistant Secretary
