Strong demand for Pampa Energía (NYSE: PAM) US$200M Class 27 notes

Rhea-AI Filing Summary

Pampa Energía S.A. reports the successful placement of its new Class 27 notes totaling US$200 million. The notes have a 36‑month maturity and carry an annual interest rate of 5.49%, providing medium‑term funding for the company.

The issue was fully placed and oversubscribed by more than two times, with orders exceeding US$425 million across 8,591 bids, indicating strong investor demand and confidence in Pampa’s credit profile and energy sector investment plans.

Insights

Credit markets analyst

Pampa taps US$200M in 3‑year funding at 5.49% amid strong demand.

Pampa Energía has issued US$200 million of Class 27 notes with a 36‑month maturity and a fixed 5.49% annual coupon. This adds medium‑term debt capital, potentially supporting ongoing investment and development plans in the energy sector.

Investor appetite appears strong: orders exceeded US$425 million, more than twice the issue size, with 8,591 bids. Such oversubscription suggests solid market access and demand for the company’s credit at this yield level, though the net balance between added leverage and growth funding depends on broader financial metrics not shown here.

Key Figures

Class 27 Notes issue size: US$200 million Maturity: 36 months Annual interest rate: 5.49% +3 more

6 metrics

Class 27 Notes issue size US$200 million Total principal amount of new Class 27 Notes

Maturity 36 months Term to maturity for Class 27 Notes

Annual interest rate 5.49% Fixed coupon on Class 27 Notes

Investor orders more than US$425 million Total orders received for Class 27 Notes

Oversubscription level exceeding 2 times Demand relative to US$200 million issue size

Number of bids 8,591 bids Total bids submitted for the Class 27 Notes

Key Terms

Class 27 notes, maturity, annual interest rate, oversubscription, +1 more

5 terms

Class 27 notes financial

"the Company successfully placed its new Class 27 notes (the “Class 27 Notes”)"

maturity financial

"for a total of US$200 million, with a 36-month maturity and an annual interest rate"

Maturity is the date when a loan, bond, deposit or other financial contract must be repaid or settles, like an expiration date on a coupon or loan. It matters to investors because it determines when they will get their principal back, how much interest they will have earned, and how exposed their money is to interest-rate or reinvestment risk—similar to knowing when a timed savings jar will be opened and what you can do next.

annual interest rate financial

"with a 36-month maturity and an annual interest rate of 5.49%"

oversubscription financial

"with oversubscription exceeding 2 times, as it received orders for more than US$425 million"

Oversubscription happens when more money or orders are offered for a new stock, bond, or share sale than the issuer planned to sell. Think of it like a concert with more people wanting tickets than there are seats: demand outstrips supply, so allocations may be reduced and prices often jump when trading begins. For investors, oversubscription signals strong market interest but also means you may receive fewer shares than you requested and face immediate price volatility.

Relevant Event regulatory

"Ref.: Relevant Event. Class 27 Notes"

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

SECURITIES EXCHANGE ACT OF 1934

For the month of March, 2026

(Commission File No. 001-34429),

PAMPA ENERGIA S.A.
(PAMPA ENERGY INC.)

Argentina

(Jurisdiction of incorporation or organization)

Maipú 1
C1084ABA
City of Buenos Aires
Argentina

(Address of principal executive offices)

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

Form 20-F ___X___ Form 40-F ______

(Indicate by check mark whether the registrant by furnishing the
information contained in this form is also thereby furnishing the
information to the Commission pursuant to Rule 12g3-2(b) under
the Securities Exchange Act of 1934.)

Yes ______ No ___X___

(If "Yes" is marked, indicate below the file number assigned to the
registrant in connection with Rule 12g3-2(b): 82- .)

This Form 6-K for Pampa Energía S.A. (“Pampa” or the “Company”) contains:

Exhibit 1: Letter dated May 20, 2025 entitled “Notice of Redemption.”

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: March 31, 2026

Pampa Energía S.A.
By:	/s/ Gustavo Mariani
	Name: Gustavo Mariani Title:   Chief Executive Officer

FORWARD-LOOKING STATEMENTS

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates offuture economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will a ctually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.

Buenos Aires, March 31st, 2026

COMISIÓN NACIONAL DE VALORES

BOLSAS Y MERCADOS ARGENTINOS S.A.

Ref.: Relevant Event. Class 27 Notes

Dear Sirs,

I am writing to you, in my capacity as Head of Market Relations of Pampa Energía S.A. (“Pampa” or the “Company”) in order to announce that the Company successfully placed its new Class 27 notes (the “Class 27 Notes”) for a total of US$200 million, with a 36-month maturity and an annual interest rate of 5.49%. The Class 27 Notes issue was fully placed, with allocations prorated due to high demand.

The transaction generated significant interest from investors, with oversubscription exceeding 2 times, as it received orders for more than US$425 million and a total of 8,591 bids.

This issuance reaffirms the market’s confidence in Pampa and supports its investment and development plans in the energy sector.

Sincerely,

________________________________

María Agustina Montes

Head of Market Relations

FAQ

What did Pampa Energía (PAM) announce regarding its Class 27 Notes?

Pampa Energía announced it successfully placed new Class 27 notes for a total of US$200 million. The notes provide medium-term financing and were issued with strong investor demand, supporting the company’s investment and development plans in the energy sector.

What are the main terms of Pampa Energía (PAM) Class 27 Notes?

The Class 27 Notes total US$200 million, have a 36‑month maturity, and carry an annual interest rate of 5.49%. These terms establish a three‑year borrowing period with a fixed coupon, giving Pampa Energía predictable debt service costs over the life of the notes.

How strong was investor demand for Pampa Energía (PAM) Class 27 Notes?

Investor demand was strong, with oversubscription exceeding 2 times the issue size. Pampa Energía received orders for more than US$425 million and a total of 8,591 bids, compared with the US$200 million ultimately issued in Class 27 Notes.

What does the Class 27 Notes placement mean for Pampa Energía (PAM)?

The placement of US$200 million in Class 27 Notes provides additional funding for Pampa Energía’s investment and development plans. Management describes the successful, oversubscribed issue as reaffirming market confidence in the company and supporting its ongoing activities in the energy sector.

What interest rate will Pampa Energía (PAM) pay on its Class 27 Notes?

Pampa Energía will pay an annual interest rate of 5.49% on its US$200 million Class 27 Notes. This fixed coupon applies over the notes’ 36‑month maturity, defining the company’s financing cost for this particular debt instrument during the three‑year term.

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