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Not released in UK
US 7" promo release
PD 14554 (Polydor, US, 1979). A long/short version promo. Not known whether this had a full release.
US 12" promo release
PRO 085 (Polydor, US, 1979). Expense was not spared for the 12" long version/short version promo - it came in a stiff back card sleeve, with a similarly designed paper inner sleeve. White labels, with stern warnings "Promotional Copy Not For Sale" and "For Programming Only". Not known whether this had a full release.