Interconexión Electrica S A E S P : ISA'S BOND PLACEMENT WAS OVERSUBSCRIBED BY 3.35 TIMES THE OFFERED AMOUNT

• In the successful transaction, COP 500 billion in bonds were placed in the local market (Colombia).

• The proceeds will be used for the company's growth.

• This transaction boosts the Colombian stock market.

ISA placed bonds in the local market for COP 500 billion, corresponding to subseries C7, C14 and C21 of the Fifteenth Tranche of ISA's Domestic Public Debt Securities Issuance and Placement Program.

The total amount bid amounted to COP 1,173,989 million with an oversubscription of 3.35 times (calculated on the amount offered).

The placement was made through the Colombian Stock Exchange (bvc), under the Dutch auction method. The placement agents were BTG Pactual S.A., Credicorp Capital Colombia S.A., and Valores Bancolombia S.A.

The bonds placed have the following characteristics:

This program has an "AAA" rating, with a stable outlook, granted by Fitch Ratings Colombia, reflecting the company's low business risk profile.

"These actions boost the stock market in Colombia, give confidence to investors and ratify our leadership in the capital market. They are also important for the growth of ISA and its companies in the region in that these are resources that will be used for investment," said Juan Emilio Posada Echeverri, ISA's CEO.

Regarding the transaction, Andrés Restrepo, bvc's interim CEO, stated that "the issuance made by ISA is a sign that our securities market is being reactivated. At bvc we are proud to have ISA as an issuer and we are pleased with the success of the transaction, which will undoubtedly have a positive impact on the company's projects and on the development of the country's energy sector".

It should be noted that the Program's issuances are fully dematerialized, which means that their custody and administration is in charge of the Central Securities Depository of Colombia (Deceval S.A.). Itaú Fiduciaria Colombia S.A. acts as legal representative of the holders.

This program has an "AAA" rating, with a stable outlook, granted by Fitch Ratings Colombia, reflecting the company's low business risk profile.

"These actions boost the stock market in Colombia, give confidence to investors and ratify our leadership in the capital market. They are also important for the growth of ISA and its companies in the region in that these are resources that will be used for investment," said Juan Emilio Posada Echeverri, ISA's CEO.

Regarding the transaction, Andrés Restrepo, bvc's interim CEO, stated that "the issuance made by ISA is a sign that our securities market is being reactivated. At bvc we are proud to have ISA as an issuer and we are pleased with the success of the transaction, which will undoubtedly have a positive impact on the company's projects and on the development of the country's energy sector".

It should be noted that the Program's issuances are fully dematerialized, which means that their custody and administration is in charge of the Central Securities Depository of Colombia (Deceval S.A.). Itaú Fiduciaria Colombia S.A. acts as legal representative of the holders.