current membership includes seven ldcs the gstp recognizes the special needs of the participating ldcs including among other things the need to extend concrete preferential treatment measures and concessions in the past only a limited number of offers of nonreciprocal trade concessions were extended to ldcs under the gstp in at the eleventh session of unctad unctad xi held in sao paulo brazil gstp participants agreed to convene a third round of negotiations to improve preferential tariffs and expand trade ties among signatory developing countries in addition to the seven ldcs that participate in the gstp identified in italics burkina faso burundi haiti madagascar mauritania rwanda and uganda have applied for accession to the gstp