On April 2019, the Republic of Congo and the Import-Export Bank of China signed in Beijing (China), a Complementary Agreement Congo's Debt to China Restructuring. This Agreement is part of discussions between Congo and the International Monetary Fund (IMF) with a view to concluding a Programme supported by an Extended Credit Facility. This Programme is structured around several axes, including Public Debt Restructuring, to make it sustainable. 

Unanimously passed, Friday 17 May 2019 by the National Assembly, and Monday 20 Mai 2019 by the Senate, the two Houses of the Congolese Parliament have ratified, after review, the Draft Law of the Complementary Agreement on the Restructuring of the Congo's Debt to China, signed on 29 April 2019 in Beijing, between the Republic of Congo and the Import-Export Bank of China. The discussions were conducted by the Speakers of both Houses, namely: Isidore Mvoumba and Pierre Ngolo.

Granted by the European Union (EU) through AFD, the total amount of 29,3 million euros (or 19 billion FCFA), is part of the programme to extend and modernise the infrastructure of the Pointe-Noire Port Authority (PAPN) and support for fischeries resources management for a period of 4 years. They complement AFD's financing of the PAPN to the tune of 70 million euros.

At the end of a working week with Congo, from Thursday 2 to Wednesday 8 May 2019 in Brazzaville, the Head of delegation of the International Monetary Fund (IMF), Alex Segura-Ubiergo, provided an update of his Mission to the Minister of Finance and Budget, Calixte Nganongo. “Congo is on track to restore the sustainability of its public debt”, he said.

Under the chairmanship of Calixte Nganongo, Minister of Finance and Budget, assisted by his colleague, Ingrid Olga Ghislaine Ebouka, Minister of Planning, Statistics and  Regional Integration, in the presence of Abbas Mahamat Tolli, Governor of the Bank of Central African States (BEAC) and Michel Dzombala, National Director of BEAC, the National Monetary and Financial Committee held its first regular session, Monday 18 March 2019 in Brazzaville. 

Ambassador Nagoum Yamassoum, chairman of the Central African Financial Market Surveillance Committee (COSUMAF) and former Prime Minister of Chad, was received in audience by the Congolese Minister of Finance and Budget, Calixte Nganongo, on Wednesday 6 March 2019, in Brazzaville.  

Calixte Nganongo, Minister of Finance and Budget, received in audience, Tuesday 5 March 2019 in Brazzaville, the Deputy Director of Alliance de vaccin Gavi, Anuradha Gupta, on the occasion of the official launch of the National Immunization Campaign of children aged 9 months to 14 years.

The Government of the Republic of Congo, represented by the Minister of Hydrocarbons, Jean Marc Thystère Tchicaya, his colleague Minister of Finance and Budget, Calixte Nganongo and the Managing Director of the National Oil company of Congo (SNPC), Maixent Raoul Ominga, on the one hand, and the company Kosmos Energy, represented by its Chief Executive Officer (CEO), Andrew G. Inglis, on the other hand, signed the Production Sharing Agreement (CPP) on the oil field called "Bloc Marine XXI", located in deep sea, off Pointe-Noire.

As part of the Comprehensive Strategic Partnership concluded between the Republic of Congo and the China People's Republic since 2016, the Minister of Finance and the Budget, Calixte Nganongo and the Chief Executive Officer (CEO) of the Chinese company West-african group, Hui Kouyin, signed thursday 28 February 2019 in Brazzaville, the Constituent Acts of the National Development Fund of Congo (FNDC).

The Minister of Finance and Budget, Calixte Nganongo's tour into the ocean city, from Friday 22 to Saturday 23 February 2019, began with a visit of the Pointe-Noire Port Authority and ended with an address to officials and agents of financial departments,...through Congo Terminal, the deposit of non-duty paid goods, the customs car park, the Unit of major companies (UGE) and the Data centre, etc...