SUMMIT MUTUAL FUNDS, INC. EX-99.906 CERT ITEM 10(2) TO FORM N-CSR SECTION 906 CERTIFICATION Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers of Summit Mutual Funds, Inc., does hereby certify, to such officer's knowledge, that the report on Form N-CSR of the Pinnacle Series of Summit Mutual Funds, Inc. for the period ended December 31, 2004 fully complies with the re- quirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Form N-CSR fairly presents, in all material respects, the financial condition and results of operations of the Pinnacle Series of Summit Mutual Funds, Inc. /s/ Steven R. Sutermeister /s/ Thomas G. Knipper - ------------------------------------- ------------------------- Steven R. Sutermeister Thomas G. Knipper President and Chief Executive Officer Vice President and Controller Summit Mutual Funds, Inc. Summit Mutual Funds, Inc.