• Rathaus; Erftstadt (D); 5 - 27 May 1993.
• Belgisches Haus; Cologne (D); 3 June - 9 July 1993, vernissage: 2 June.
• Atelier Kunst und Bühne; Eupen (B); 7 August and 14 - 15 October 1995.
• Tag des offenen Denkmals; Eupen (B); 9 - 10 September 1995. During the Belgian "heritage days", artworks by Silvain were displayed in the old Heidberg monastery in Eupen, to demonstrate that the latter could well be used as a gallery or museum.
• Belgischer Rundfunk; Eupen (B); 5 October - 5 November 1995, vernissage: 4 October.
• Thouet-Haus; Aachen (D); September 1996.
• Centre culturel Marius Staquet; Mouscron (B); 11 January - 1 February 1998, vernissage: 10 January.
• Via Regia '98, Wege durch Europa, Wege der Hoffnung, ein Belgienprojekt; Haus Dacheröden; Erfurt (D); 4 - 31 May 1998, vernissage: 30 April.
• Château-Musée; Cagnes-sur-Mer (F); 22 July - 31 October 1998, vernissage: 21 July.
• Stadhuis; Izegem (B); 6 - 21 February 1999, vernissage: 5 February.
• Busworld; Messehallen; Kortrijk (B); 15 - 20 October 1999. For this exhibition, Silvain painted a bus which has been used in Flanders since then.
• KBC; Eupen (B); 1999.
• Centre culturel; Welkenraedt (B); 7 - 21 September 2000, vernissage: 8 September.
• Sankt Josef hospital; Sankt Vith (B); 21 - 23 February 2003.
• Restaurant "La table de Vincent"; Eupen (B); 3 - 31 May 2003, vernissage: 8 - 9 May. Landschaftsverband Rheinland; Cologne (D); March 2004, vernissage: 8 March.
• Lambertus market, Haus Gospert 40-42; Eupen (B); 19 September 2004.
• Atelier Kunst und Bühne; Eupen (B); 24 September - 2 October, vernissage: 23 September.
• 300th anniversary of the Heidberg school; Heidberg monastery; Eupen (B); 15 October 2006.
• Haus Gospert 40-42; Eupen (B); 2 - 3 December, no year, vernissage: 1 December.