* INC 5, 13 - 18 Januari 2013, di [[Geneva|Jenewa]], [[Swiss]] <ref>{{cite web | title = INC5 | publisher = United Nations Enviroment Programme | url = http://www.unep.org/hazardoussubstances/Mercury/Negotiations/INC5/tabid/3471/Default.aspx | accessdate = 10 October 2013 | archive-date = 2013-10-10 | archive-url = https://archive.is/20131010044053/http://www.unep.org/hazardoussubstances/Mercury/Negotiations/INC5/tabid/3471/Default.aspx | dead-url = yes }}</ref><ref>{{cite web | title=Summary of the Fifth Meeting of the Intergovernmental Negotiating Committee to Prepare a Global Legally Binding Instrument on Mercury | coauthors=Kohler, P., Morgera, E., Ripley, K., Schabus, N., Tsioumani, E. | publisher=International Institute for Sustainable Development | url=http://www.iisd.ca/vol28/enb2822e.html | date=21 January 2013 | accessdate=10 October 2013 | archive-date=2013-10-22 | archive-url=https://web.archive.org/web/20131022223211/http://www.iisd.ca/vol28/enb2822e.html | dead-url=yes }}</ref>
Pada 19 Januari 2013, negosiasi menghasilkan persetujuan 147 negara atas rancangan naskah konvensi.<ref>{{cite web | title=Minamata Convention Agreed by Nations |publisher = United Nations Environment Programme | url=http://www.unep.org/newscentre/default.aspx?DocumentID=2702&ArticleID=9373 | date=19 January 2013 | accessdate=10 October 2013}}</ref> Konvensi diadopsi dan dibuka untuk ditandatangani pada tanggal 10 Oktober 2013 di Kumamoto, Jepang— diawaliJepang—diawali dengan pertemuan pendahuluan pada tanggal 7–8 Oktober 2013.<ref>{{cite web | title=Diplomatic Conference for the Minamata Convention on Mercury | publisher=United Nations Environment Programme | url=http://www.unep.org/hazardoussubstances/MinamataConvention/DiplomaticConference/tabid/105832/Default.aspx | accessdate=10 October 2013 | archive-date=2013-06-19 | archive-url=https://archive.is/20130619171319/http://www.unep.org/hazardoussubstances/MinamataConvention/DiplomaticConference/tabid/105832/Default.aspx | dead-url=yes }}</ref><ref>{{cite news|last = Aquino|first = Grace|coauthors =|title = Kumamoto launches Minamata Convention to regulate use of mercury|newspaper = Japan Daily Press|language = English|date = 8 October 2013|url = http://japandailypress.com/kumamoto-launches-minamata-convention-to-regulate-use-of-mercury-0837342/|accessdate = 10 October 2013}}</ref><ref>{{cite news|last = Aritake|first = Toshio|coauthors =|title = Global Convention on Phaseout of Mercury Set to Be Adopted in Japan in October|newspaper = Bloomberg/Bureau of National Affairs|language = English|date = 7 October 2013|url = http://www.bna.com/global-convention-phaseout-n17179877659/|accessdate = 10 October 2013}}</ref> Konvensi ditandatangani oleh 86 negara dan [[Uni Eropa]] pada hari pertama.<ref>{{cite web | title=Minamata Diplomatic Conference Highlights | coauthors=DeFerranti, R., Kohler, P., Malan, A.S. | publisher=International Institute for Sustainable Development | url=http://www.iisd.ca/vol28/enb2826e.html | date=10 October 2013 | accessdate=11 October 2013 | archive-date=2013-12-08 | archive-url=https://web.archive.org/web/20131208082549/http://www.iisd.ca/vol28/enb2826e.html | dead-url=yes }}</ref>