BYLAWS

Approved at annual meeting March 28, 1980; as amended at annual meetings April 2, 1982; March 4, 1983; June 26, 1985; March 28, 1986; April 29, 1988; April 28, 1989; May 29, 1991; March 19, 1993; June 10, 1994; April 8, 1998; April 30, 1999; April 28, 2000; April 25, 2002; April 30, 2004. May 18, 2007