^ abcVaucluse Liberal MLA Ray Aston died on 23 May 1988. Liberal candidate Michael Yabsley, the then-recently defeated member for Bligh, was elected unopposed as his replacement on 6 June 1988.
^ abBob Martin was initially declared elected as the Labor member for Port Stephens, but had his election voided by the Court of Disputed Returns on 19 September 1988. Martin then won the resulting by-election on 5 November 1988.
^The changes to the composition of the house, in chronological order, were:
Aston died,[a]
Mack resigned,[b]
Martin election overturned,[c]
Booth died,[d]
Paciullo resigned,[e]
Brereton resigned,[f]
Crosio resigned,[g]
Ferguson resigned,[h]
Caterson resigned,[i]
Singleton resigned,[j] and
Knowles resigned.[k]