On January 22, 2019 Ambassador Jayatilleka paid a courtesy call on his Philippine counterpart, H.E. Carlos D Sorreta, a veteran diplomat, who was the Deputy Permanent Representative at the Philippine Mission to the United Nations in New York and Deputy Chief of Mission at the Philippine Embassy in Washington DC.
The Ambassadors discussed the recent 5-day state visit of the President of Sri Lanka Maithripala Sirisena to Philippines, during which the two leaders signed five agreements, including pacts on agriculture, education, cooperation and military exchanges.

On January 18, 2019 Ambassador H.E. Dr. Dayan Jayatilleka and Madame Sanja Jayatilleka attended the reception hosted by Cuban Diplomatic Mission on the occasion of the 60th Anniversary of the Cuban Revolution.

On January 18, 2019 Ambassador Jayatilleka paid a courtesy call on his Uruguayan counterpart, Enrique Juan Delgado Genta, who has 40 years of experience as a professional diplomat.