2008
Kathleen Cullen
“Alex Haas: Symbology”

2007
Kathleen Cullen Fine Art, New York
“Summer Group Show”
Kunsthaus Lempertz, Berlin, Germany
“Alex Haas – Histograms and Variations”
Momentum Galerie. Vienna
“Alex Haas – Histograms and Variations”

2005
McClain Gallery, Houston, Texas
Group Show: “Universal Medium”

2004
Galeria Estiarte, Madrid
“New Histograms and Variations”
Galeris Moises Perez de Albeniz, Pamplona“Sanctum”

2003
Art of this Century, New York
“New Histograms and Variations”

2002
Sterilemind Gallery, New York
“Histograms”
Art of this Century, Paris
“Histograms”

represented at the following art fairs:

2007
Arco, Madrid.
KIAF, Seoul, South Korea.
Valencia Art, Spain.

2005
Arco, Madrid.
DFoto, San Sebastian.
Fiac, Paris.
Basel, Switzerland.
ArtBrussels, Brussels.

2004
Arco, Madrid.
Fiac, Paris.
Basel, Switzerland.

2003
Arco, Madrid.
Fiac, Paris.
Basel, Switzerland.