The agreements were signed after Pakistan Prime Minister Nawaz Sharif had a meeting with visiting Sri Lankan President Maithripala Sirisena here.
According to an official statement the two countries signed a Memorandum of Understating (MoU) "for cooperation between Pakistan Atomic Energy Commission and Atomic Energy Authority of Sri Lanka".
The two sides also decided to increase the current trade of USD 438 million to USD 1 billion within the next few years.
Sri Lanka's nuclear pact with India in February during Sirisena's first foreign visit after assuming office entailed cooperation in the transfer and exchange of knowledge and expertise, sharing of resources, and capacity building and training of personnel in peaceful uses of nuclear energy.
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Sri Lanka and Pakistan also singed MoUs in the field of sports, shipping and disaster management. The two leaders held a one-on-one meeting which was followed by delegation level talks discussing a range of subjects.
"There is immense goodwill in Pakistan for Sri Lanka which should permit us to develop even more close and cooperative relations in all fields including political, economic and defence," he said.