1 EXHIBIT 3.4 For Ministry Use Only Ontario Corporation Number A l'usage exclusif du ministere Numero de la compagnie en Ontario [LOGO] Ministry of Minstere de 937896 Consumer and Commercial la Consommation Relations et du Commerce CERTIFICATE CERTIFICAT This is to certify that Ceci certifie que les these articles are presents statuts entrent Trans effective on en vigueur le Code C 18 May 22 Mai, 1997 /s/ -------------------------------- Director Directeur Business Corporations Act Loi ce sur les compagnies ARTICLES OF AMENDMENT STATUTS DE MODIFICATION Form 3 Business 1. The present name of the corporation is: Denomination sociale actuelle de la compagnie: Corporations Act PHILIP ENVIRONMENTAL INC. _____________________________________________________________________________________________________ Formule numero 3 2. The name of the corporation is changed to Nouvelle denomination sociale de la compagnie Loi (if applicable): (s'il y a lieu): sur les compagnies PHILIP SERVICES CORP. _____________________________________________________________________________________________________ 3. Date of incorporation/amalgamation: Date de la constitution ou de la fusion: 15 APRIL 1991 _____________________________________________________________________________________________________ (Day, Month, Year) (jour, mois, annee) 4. The articles of the corporation are amended Les statuts de la compagnie sont modifies de la as follows: facon suivante: TO CHANGE THE NAME OF THE CORPORATION TO: PHILIP SERVICES CORP. 07119 (01/92) 2 5. The amendment has been duly authorized as La modification a ete dument autorisee conformement required by Sections 168 & 170 (as applicable) a l'article 168 et, s'il y a lieu, a l'article 170 of the Business Corporations Act. de la Loi sur les compagnies. 6. The resolution authorizing the amendment was Les actionnaires ou les administrateurs (le cas approved by the shareholders/directors (as echeant) de la compagnie ont approuve la resolution applicable) of the corporation on autorisant la modification 21 MAY 1997 __________________________________________________________________________________________________________ (Day, Month, Year) (jour, mois, annee) These articles are signed in duplicate. Les presents statuts sont signes en double exemplaire. PHILIP ENVIRONMENTAL INC. ___________________________________________________ (Name of Corporation) (Denomination sociale de la compagnie) /s/ Colin Soule SECRETARY By/Par: ___________________________________________________ (Signature) (Description of Office) (Signature) (Fonction)