On Thursday the United States said it would also review GSP concessions given to Sri Lanka following a complaint by a US trade union over labour rights.
The Central Bank said exporters had also improved productivity and work process at the level of their own firms.
EU countries accounted for about 50 percent of total apparel exports in 2009, and about 60 percent benefited from the GSP+ scheme, the Central Bank said.
The duty benefits under GSP were estimated at 78 million Euros.
"It must be noted that Sri Lankan industries have proven their resilience amidst challenges on earlier occasions," the Central Bank said.
"The apparel sector, in particular, resisted strong competition from low cost garment producers of other