Here's a few more I know of in Europe:
Tour du Midi, Brussels | Completed in 1967, remodeled in 1996.
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Tour des Finances, Brussels | Completed in 1984, remodeled in 2008.
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Astro Tower, Brussels | Completed in 1976, remodeled in 2003.
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Madou Plaza, Brussels | Completed in 1965, remodeled in 2006.
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Stock Exchange Tower, London | Completed in 1972 remodeled in 2004.
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South Bank Tower, London | Completed in 1978 remodeled in 2015.
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Tour AXA/Tour First, Paris | Completed in 1974, remodeled in 2011.
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