RINGO VALVULAS develops and publishes the sustainability report corresponding to 2015 and made according to the criteria Global Reporting Initiative (GRI G4). RINGO VALVULAS in its transparency policy publish the indicators of economic, environmental and social performance, and offers stakeholders comment on the report published. The sustainability report is available on www.ringospain.com

and on the international platform of the Global Compact. https://www.unglobalcompact.org/what-is-gc/participants/56401#cop