York Research Corp Watch

from SC 13D 1 page Exhibit 1 Joint Acquisition Statement Pursuant to Rule 13d-1(k) the Undersigned Acknowledge and Agree That the Foregoing Statement on Schedule 13d Is Filed on Behalf of Each of the Undersigned and That All Subsequent Amendments to This Statement on Schedule 13d Shall Be Filed on Behalf of Each of the Undersigned Without the Necessity of Filing Additional Joint Acquisition Statements. the Undersigned Acknowledge That Each Shall Be Responsible for the Timely Filing of Such Amendments, and for the Completeness and Accuracy of the Information Concerning Him or It Contained Therein, but Shall Not Be Responsible for the Completeness and Accuracy of the Information Concerning the Others, Except to the Extent That He or It Knows or Has Reason to Believe That Such Information Is Inaccurate. This Agreement May Be Executed in Any Number of Counterparts and All Such Counterparts Taken Together Shall Constitute One and the Same Instrument. Dated: June 24, 2002 /S/ Peter M. Faulkner - Rumpere Capital Trading Partners, Ltd. Peter M. Faulkner By: /S/ Peter M. Faulkner Name: Peter M. Faulkner Title: Portfolio Manager /S/ Ashley Thacher - Pmf Partners, L.L.C. Ashley Thacher By: /S/ Peter M. Faulkner Name: Peter M. Faulkner Title: Managing Member

from 8-K 1 page Underwriting agreement

from 8-K 1 page Underwriting agreement

from SC 13G/A 1 page <page> Exhibit 1 Joint Acquisition Statement Pursuant to Rule 13d-1(k) the Undersigned Acknowledge and Agree That the Foregoing Statement on Schedule 13g Is Filed on Behalf of Each of the Undersigned and That All Subsequent Amendments to This Statement on Schedule 13g Shall Be Filed on Behalf of Each of the Undersigned Without the Necessity of Filing Additional Joint Acquisition Statements. the Undersigned Acknowledge That Each Shall Be Responsible for the Timely Filing of Such Amendments, and for the Completeness and Accuracy of the Information Concerning Him or It Contained Therein, but Shall Not Be Responsible for the Completeness and Accuracy of the Information Concerning the Others, Except to the Extent That He or It Knows or Has Reason to Believe That Such Information Is Inaccurate. This Agreement May Be Executed in Any Number of Counterparts and All Such Counterparts Taken Together Shall Constitute One and the Same Instrument. Dated: January 31, 2002 /S/ Peter M. Faulkner Rumpere Capital Trading Partners, Ltd. - Peter Faulkner By: /S/ Peter M. Faulkner Name: Peter M. Faulkner Title: Portfolio Manager /S/ Ashley Thacher Peter Faulkner Ugma Clifford Dantes - Ashley Thacher By: /S/ Peter M. Faulkner Name: Peter M. Faulkner Title: Custodian

from SC 13G/A 1 page Exhibit 1 Joint Filing Agreement in Accordance With Rule 13d-1 (F) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Agree to the Joint Filing With All Other Reporting Entities (As Such Term Is Defined in the Schedule 13g) on Behalf of Each of Them of a Statement on Schedule 13g (Including Amendments Thereto) With Respect to the Common Stock, $0.01 Per Share, of York Research Corporation, and That This Agreement Be Included as an Exhibit to Such Joint Filing. This Agreement May Be Executed in Any Number of Counterparts All of Which Taken Together Shall Constitute One and the Same Instrument. in Witness Whereof, the Undersigned Hereby Execute This Agreement This 10th Day of January, 2002. Aggressive Conservative Investments, L.P. By: /S/ Peter M. Faulkner Peter M. Faulkner Senior Portfolio Manager

from 8-K 1 page Underwriting agreement

from SC 13G/A 1 page Exhibit 1 Joint Filing Agreement in Accordance With Rule 13d-1 (F) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Agree to the Joint Filing With All Other Reporting Entities (As Such Term Is Defined in the Schedule 13g) on Behalf of Each of Them of a Statement on Schedule 13g (Including Amendments Thereto) With Respect to the Common Stock, $0.01 Per Share, of York Research Corporation, and That This Agreement Be Included as an Exhibit to Such Joint Filing. This Agreement May Be Executed in Any Number of Counterparts All of Which Taken Together Shall Constitute One and the Same Instrument. in Witness Whereof, the Undersigned Hereby Execute This Agreement This 10th Day of November, 2001. Aggressive Conservative Investments, L.P. By: /S/ Peter M. Faulkner Peter M. Faulkner Senior Portfolio Manager