1 EXHIBIT 24 POWER OF ATTORNEY RAYTHEON COMPANY The undersigned hereby constitutes Thomas D. Hyde and Franklyn A. Caine, and each of them, jointly and severally, his or her lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, including, but not limited to, that listed below, in connection with the preparation, execution and filing with the Securities and Exchange Commission (the "Commission"), under the Securities Exchange Act of 1934 of an Annual Report on Form 10-K of Raytheon Company (the "Company") and any amendments thereto for the Company's fiscal year ended December 31, 1999 with exhibits thereto, including, but not limited to, the Company's Audited Consolidated Financial Statements as of December 31, 1999 and 1998 and for each of the three years in the period ended December 31, 1999 and Management's Discussion and Analysis of Financial Condition and Results of Operations for the Company's fiscal year ended December 31, 1999, and other documents in connection therewith (collectively, the "Form 10-K"), and all matters required by the Commission in connection with the Form 10-K, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite or necessary to be done as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney's-in-fact and agents, and each of them, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof. Dated: March 22, 2000 /s/ Daniel P. Burnham /s/ Henrique de Campos Meirelles Daniel P. Burnham Henrique de Campos Meirelles /s/ Barbara M. Barrett /s/ Thomas L. Phillips Barbara M. Barrett Thomas L. Phillips /s/ Ferdinand Colloredo-Mansfeld /s/ Dennis J. Picard Ferdinand Colloredo-Mansfeld Dennis J. Picard /s/ John M. Deutch /s/ Warren B. Rudman John M. Deutch Warren B. Rudman /s/ Thomas E. Everhart /s/ William R. Spivey Thomas E. Everhart William R. Spivey /s/ John R. Galvin /s/ Alfred M. Zeien John R. Galvin Alfred M. Zeien /s/ L. Dennis Kozlowski L. Dennis Kozlowski