EX-3 4 ex-3.txt EXHIBIT 3 EXHIBIT 3 POWER OF ATTORNEY Power of Attorney, dated as of February 4, 2000 for Waddell & Reed Financial Services, Inc. filed as Exhibit 3 to the Waddell & Reed Financial, Inc. 13G filed for Shared Medical Systems Corporation on April 7, 2000, Accession Number 0000912057-00-016779 and incorporated herein by reference. Power of Attorney, dated as of February 4, 2000 for Waddell & Reed, Inc. filed as Exhibit 3 to the Waddell & Reed Financial, Inc. 13G filed for Shared Medical Systems Corporation on April 7, 2000, Accession Number 0000912057-00-016779 and incorporated herein by reference. Power of Attorney, dated as of February 4, 2000 for Waddell & Reed Investment Management Company Financial Services, Inc. filed as Exhibit 3 to the Waddell & Reed Financial, Inc. 13G filed for Shared Medical Systems Corporation on April 7, 2000, Accession Number 0000912057-00-016779 and incorporated herein by reference.