EXHIBIT 99.1 WRITTEN STATEMENT OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER Section 906 Certification The undersigned hereby certify that the Quarterly Report on Form 10-QSB for the quarter ended December 31, 2002 filed by PHC, Inc. with the Securities and Exchange Commission fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in the report fairly presents, in all material respects, the financial condition and results of operations of the issuer. Date: February , 2003 By: /s/ Bruce A. Shear Bruce A. Shear, President and Chief Executive Officer Date: February , 2003 By: /s/ Paula C. Wurts Paula C. Wurts, Controller and Chief Financial Officer