Case C-123/10: Judgment of the Court (Fourth Chamber) of 20 October 2011 (reference for a preliminary ruling from the Oberster Gerichtshof — Austria) — Waltraud Brachner v Pensionsversicherungsanstalt (Social policy — Equal treatment for men and women in matters of social security — Directive 79/7/EEC — Articles 3(1) and 4(1) — National scheme for annual pension adjustments — Exceptional increase in pensions for the year 2008 — Exclusion from that increase of pensions of an amount lower than the compensatory supplement standard rate — Exceptional increase in that standard rate for the year 2008 — Exclusion from entitlement to the compensatory supplement of pensioners whose income, including that of the spouse forming part of their household, exceeds that standard rate — Scope of application of the directive — Indirect discrimination against women — Justification — No justification)