Rosalie is Global Head of Oil & Gas at Pinsent Masons and specialises in complex M&A and domestic and international corporate finance transactions in the Oil & Gas sector UK and worldwide.

Rosalie's experience

  • Advising Ratio Petroleum Energy LP, an Oil and gas explorer on its £124 million recommended takeover of Pharos Energy plc.

  • Advised Peel Hunt, a UK investment bank in its capacity of Sponsor in London Stock Exchange-listed EnQuest’s proposed $833 million acquisition of participating interests in four offshore production sharing contracts in Malaysia.

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  • Advised TotalEnergies in relation to multiple M&A deals and joint ventures in the UK and globally, including US$635m sale to Petrogas NEO of UKCS asset package.

  • Advised Afentra in relation to its $163m acquisitions from Sonangol and INA in Angola which constituted a reverse takeover under the AIM rules and related $100m debt financing.

  • Advised Drax Group plc on the circa £210 million competitive takeover of Harmony Energy Income Trust plc.

  • Advised Ithaca Energy plc, on the transformational £754 million acquisition of Eni’s upstream business.

  • Advised Ithaca Energy Inc: in relation to its £2.5bn IPO and Main Market listing on the London Stock Exchange.

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  • Advised Ithaca Energy on its $1.5 billion acquisition of Siccar Point Energy from sponsors Blackstone Energy Partners and Blue Water Energy and the management team.

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  • Advised NEO Energy on the acquisition of an independent oil and gas company, Zennor Petroleum Limited, for a total consideration of up to US$625m.

  • Advising Coro Energy plc on their investment into the Vietnamese rooftop solar sector, and potential involvement in a portfolio of up to 150MW as part of a joint venture with a local solar EPC specialist entity.

Credentials

  • 2026
    Thomson Reuters Stand Out Lawyer
  • 2002
    Qualified - Scotland
  • 2000
    Joined Pinsent Masons
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Out-Law / Insight by Rosalie Chadwick

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