ISABEL MARGARITA WOLLETER E.
Partner

 “Isabel Margarita Wolleter’s work is very fast and strong, we feel very safe with her opinions and assistance”

Chambers Latin America, 2025.

Isabel Margarita Wolleter is the head of the Capital Markets Department at Prieto.

Her work has specialized in advising national and international clients on all matters related to Capital Markets practice, with a predominant focus on debt issuances, IPOs, public tender offers, securities regulation, and corporate governance.

She also has extensive experience in M&A and Banking and Finance practices, advising numerous clients in the Food, Retail, Energy, and Financial Services industries on their acquisition or sale processes and corporate financing transactions.

She has been recognized in international rankings as a leading partner in the Capital Markets area and has been particularly praised by her clients.

Between 2013 and 2014, she worked as foreign associate at Shearman & Sterling LLP, NY, USA.

Isabel Margarita joined Prieto in 2009 and has been a partner since 2022.

EDUCATION

  • Law Degree, Pontificia Universidad Católica de Chile, Chile (Magna Cum Laude) (2005)

AWARDS

  • Chambers & Partners: Capital Markets (2021 to date)
  • The Legal 500: “Next Generation Partner”, Capital Markets (2022 to date)

MEMBERSHIPS

  • Member of the International Bar Association (2024)

PROFESSIONAL EXPERIENCE

  • Caja los Andes – Bonos
  • SONACOL – Bonos
  • Vespucio Norte Express – Financiamiento
  • SalfaCorp – Bonos
  • Aguas Andinas – Bonos suizos
  • Plaza – Bonos, Aumento de Capital
  • Engie – Bonos verdes, bonos 144ª/Reg-S
  • Plaza – Adquisición Falabella Perú

RELATED NEWS AND TRANSACTIONS

January 12, 2026 in Isabel M. Wolleter, Transactions, Transactions 2025, Vicente Bas

Aguas Andinas

Prieto advised Aguas Andinas, the country's leading water utility company, on the successful issuance of US$ 155 million in bonds. This marks the company's first bond placement in the local…
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January 12, 2026 in Isabel M. Wolleter, Transactions, Transactions 2025, Vicente Bas

Caja los Andes

Prieto advised Caja de Compensación y Asignación Familiar Los Andes, Chile's largest company in the social security sector, in a bond issuance for a total amount of US$ 127 million…
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January 12, 2026 in Alessandro Bizzarri, Emilio del Real, Isabel M. Wolleter, Isabel Monge, Transactions, Transactions 2025, Vicente Bas

Vespucio Norte Express

Prieto advised Sociedad Concesionaria Vespucio Norte Express S.A. (the “Company”) in a complex financial restructuring transaction totaling approximately UF 24 million (around USD 1 billion), aimed at optimizing the debt…
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January 12, 2026 in Isabel M. Wolleter, Transactions, Transactions 2025, Vicente Bas

Caja los Andes

Prieto advised Caja de Compensación y Asignación Familiar Los Andes, Chile's largest company in the social security sector, in a bond issuance for a total amount of US$ 40.3 million…
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January 12, 2026 in Isabel M. Wolleter, Transactions, Transactions 2025, Vicente Bas

Engie

Prieto advised Engie Energía Chile S.A. on a inaugural green bond issuance in the Chilean market, for a total amount of US$ 120,000,000 (equivalent to 3,000,000 UF), for the financing…
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January 12, 2026 in Fernando Edwards, Isabel M. Wolleter, Transactions, Transactions 2025, Vicente Bas

Patio Comercial

Prieto advised Patio Comercial SpA (Grupo Patio) on the successful issuance of bonds totaling UF 1.5 million. This issuance, registered with the Financial Market Commission (CMF), aims primarily to refinance…
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