1 EXHIBIT 99.6a CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (File No. 333-56117) of Raytheon Company of our report dated June 4, 1999 relating to the financial statements of the Raytheon TI Systems Savings Plan, which appears in this Form 10-K/A. PricewaterhouseCoopers LLP Boston, Massachusetts June 29, 1999