Additional Financing: Enhancing Development Effectiveness

Institutional Document | November 2010

The Asian Development Bank (ADB) adopted its supplementary financing policy in 1973 to meet cost overruns and close financing gaps in projects. 

The policy was revised in 1983, 1988, and 2005. These revisions were designed to make supplementary financing more accessible for projects that remain technically feasible, economically viable, and financially sound, and that are government priorities.


  • Executive Summary
  • Introduction
  • Evolving Policy Framework
  • Issues
  • From Supplementary Financing to Additional Financing
  • Recommnedation
  • Appendixes
  • Supplementary Appendixes

Additional Details

  • ADB administration and governance
  • ADB funds and products

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