Exhibit 3.1 AMENDMENT NO. 1 TO BYLAWS OF SUNSOURCE INC. The Bylaws (the "Bylaws") of SunSource Inc., a Delaware corporation (the "Company"), are amended in accordance with Section 8.06 of the Bylaws as follows pursuant to a resolution adopted at a meeting of the Company's Board of Directors on September 24, 1998: Section 3.03 is amended and restated in its entirety to read as follows: SECTION 3.03. Special Meetings. Special meetings of the stockholders of the corporation may be called at any time only by the chairman or a majority of the board of directors.