exhibit 10. 55 allied waste industries, inc. supplemental executive retirement plan schedule a ( amended and restated effective april 11, 2007 ) participant participation date peter s. hathaway january 1, 2004 donald w. slager january 1, 2004 james g. van weelden june 1, 2004 john s. quinn january 1, 2005 john j. zillmer may 27, 2005 edward a. evans september 19, 2005 timothy r. donovan april 11, 2007 retired effective 12 / 31 / 2004 thomas w. ryan august 1, 2003 retired effective 8 / 31 / 2006 steven m. helm january 1, 2004 exhibit 10. 55 allied waste industries, inc. supplemental executive retirement plan schedule a ( amended and restated effective april 11, 2007 ) participant participation date peter s. hathaway january 1, 2004 donald w. slager january 1, 2004 james g. van weelden june 1, 2004 john s. quinn january 1, 2005 john j. zillmer may 27, 2005 edward a. evans september 19, 2005 timothy r. donovan april 11, 2007 retired effective 12 / 31 / 2004 thomas w. ryan august 1, 2003 retired effective 8 / 31 / 2006 steven m. helm january 1, 2004 participant participation date peter s. hathaway donald w. slager james g. van weelden john s. quinn john j. zillmer edward a. evans timothy r. donovan retired effective 12 / 31 / 2004 thomas w. ryan retired effective 8 / 31 / 2006 steven m. helm